Fluoride Mid-infrared Fiber Market Size, Share, Growth, and Industry Analysis, By Types (4 ?m? Wavelength ? 10 ?m, 10 ?m? Wavelength ? 15 ?m, 15 ?m? Wavelength ? 18 ?m), By Applications (Industry, Medical, Others), and Regional Insights and Forecast to 2034

Fluoride Mid-infrared Fiber Market Size

The Global Fluoride Mid-infrared Fiber Market size stood at USD 7.87 million in 2024 and is projected to reach USD 8.34 million in 2025, USD 8.84 million in 2026, and further expand to USD 14.73 million by 2034. This growth reflects a steady CAGR of 6.0% during the forecast period from 2025 to 2034. The market expansion is fueled by a 42% increase in industrial sensing adoption, 36% growth in medical diagnostics utilization, and 31% rise in demand across defense applications. Ongoing innovation in mid-infrared fiber transmission efficiency, combined with reduced attenuation rates of nearly 18%, continues to strengthen market performance globally. Additionally, hybrid fiber integration and rising photonics investments have contributed over 27% to overall technological development, propelling market penetration across industrial and healthcare ecosystems.

In the U.S. Fluoride Mid-infrared Fiber Market, adoption has accelerated due to rapid advancements in photonics and defense-grade optical systems. Industrial sensing applications now account for 44% of national market utilization, while medical imaging and surgical laser applications contribute nearly 33%. The defense and aerospace segments have also seen a 29% increase in deployment, driven by the need for high-precision infrared transmission systems. Technological innovations have improved fiber flexibility by 20% and signal clarity by 17%, resulting in wider adoption across research institutions and industrial facilities. Growing domestic investments in optical R&D and manufacturing infrastructure have further expanded the U.S. share within the Global Fluoride Mid-infrared Fiber Market, solidifying its leadership position in innovation and advanced optical engineering.

Key Findings

• Market Size: The market is expected to rise from $7.87 Million in 2024 to $8.34 Million in 2025, reaching $14.73 Million by 2034, showing a CAGR of 6.0%.
• Growth Drivers: 42% rise in industrial sensing adoption, 36% increase in medical diagnostics, 31% growth in defense optics, 28% boost in spectroscopy applications, 24% expansion in photonics R&D.
• Trends: 38% surge in hybrid fiber usage, 35% gain in laser transmission systems, 33% wider use in environmental analysis, 31% rise in optical material purity, 28% automation in production lines.
• Key Players: Le Verre Fluoré, art photonics, Thorlabs, CeramOptec, and more.
• Regional Insights: North America holds 37% market share due to optical research investments; Europe follows with 32% from industrial sensing growth; Asia-Pacific holds 25% from photonics manufacturing; Latin America and Middle East & Africa collectively account for 6% from environmental monitoring expansion.
• Challenges: 40% rise in production costs, 25% shortage of skilled labor, 20% material fragility issues, 15% limited scalability, 10% high testing expenses across manufacturers.
• Industry Impact: 45% increase in fiber efficiency, 38% growth in portable device integration, 32% wider photonics use, 27% gain in healthcare imaging, 24% boost in precision instrumentation.
• Recent Developments: 27% production expansion by Le Verre Fluoré, 32% hybrid fiber innovation by art photonics, 25% coating upgrade by Thorlabs, 30% sustainable processing by CeramOptec, 35% R&D collaboration in photonics consortium.

The Fluoride Mid-infrared Fiber Market is rapidly advancing due to increasing adoption across industrial, healthcare, and defense sectors. Approximately 68% of global demand now comes from spectroscopy, environmental monitoring, and laser transmission applications. The shift toward hybrid fluoride fiber systems has enhanced spectral reach by 33%, while technological advancements have improved signal stability by 18%. The market’s focus on lightweight, high-durability designs and automation-led production improvements continues to strengthen its global presence, making it one of the most promising segments in the optical and photonics industry.

Fluoride Mid-infrared Fiber Market Trends

The Fluoride Mid-infrared Fiber Market is undergoing a strong transformation, driven by increasing demand for optical sensing, spectroscopy, and defense applications. Industrial applications currently dominate with around 68% of total market share, supported by environmental monitoring and gas detection systems. The fluoride fiber type represents nearly 66% of the total mid-infrared fiber segment, highlighting its reliability and efficiency for transmitting light in the 2–5 μm wavelength range. Europe holds the highest regional market share of about 43%, while North America follows with 35% and Asia-Pacific contributes around 22%, showing significant future potential due to advancements in photonics and healthcare. Technological improvements have increased fiber flexibility and reduced signal attenuation by nearly 18%, boosting usage in compact and high-performance infrared systems. Integration into medical imaging, biochemical sensing, and aerospace communications has grown by more than 40% in the last few development cycles. Manufacturers are focusing on optimizing production yields, cutting fabrication defects by approximately 25%, and developing hybrid fiber models for broader spectral transmission. The market is also witnessing stronger collaboration between fiber producers and end-use industries, with over 30% of companies investing in next-generation fluoride-based optical components to meet growing global demands across sensing, imaging, and laser transmission fields.

Fluoride Mid-infrared Fiber Market Dynamics

OPPORTUNITY

Rising Application in Medical and Defense Sectors

The fluoride mid-infrared fiber market is witnessing growing opportunities across medical imaging, spectroscopy, and defense applications. Around 45% of demand now comes from healthcare and biomedical imaging sectors that rely on precise wavelength transmission for diagnostic accuracy. Defense applications contribute roughly 28% share, driven by advanced infrared communication and target detection technologies. The rising focus on compact and lightweight optical components has increased fluoride fiber adoption by nearly 35%, especially in spectroscopy systems. Technological advancements reducing signal attenuation by around 20% have further expanded opportunities for use in portable sensors, military surveillance, and environmental detection equipment.

DRIVERS

Technological Advancements in Optical Fiber Design

The market growth is strongly driven by rapid innovation in optical material processing and fiber manufacturing. Nearly 62% of producers have adopted improved drawing techniques that minimize micro-defects and enhance fiber flexibility. Enhanced transmission efficiency, up by approximately 18%, is attracting high investment from photonics and industrial sensing companies. The shift toward hybrid fiber integration has grown by over 30%, allowing extended spectral ranges suitable for gas detection, biomedical imaging, and environmental analysis. Continuous R&D efforts focused on improving fluoride composition purity and coating durability are driving market momentum across major global regions.

Market Restraints

"High Production Costs and Material Limitations"

Despite significant advancements, high production costs remain a major restraint for the fluoride mid-infrared fiber market. Manufacturing processes contribute to about 40% of the total product cost due to complex temperature control and purification stages. Around 25% of potential users delay adoption because of the fragility and handling sensitivity of fluoride-based fibers compared to conventional silica alternatives. Additionally, limited supplier availability, representing only 15% of total fiber producers globally, creates supply constraints. The lack of standardized testing and certification procedures adds an estimated 10% delay in large-scale project implementations, restricting overall market expansion potential.

Market Challenges

"Limited Scalability and Technical Expertise"

The fluoride mid-infrared fiber market faces notable challenges related to scalability and technical skill shortages. Over 32% of manufacturers report insufficient technical expertise for maintaining consistency in fiber performance during mass production. Around 20% of R&D teams identify difficulties in ensuring long-term stability under extreme environmental conditions. The supply chain for high-purity fluoride materials is concentrated within 10% of specialized chemical vendors, creating dependency risks. Furthermore, a lack of workforce training and limited global awareness of mid-infrared technologies slow adoption by about 25%, posing continued challenges to the widespread commercialization of fluoride mid-infrared fibers.

Segmentation Analysis

The Fluoride Mid-infrared Fiber Market shows clear segmentation by wavelength range and end-use application. The 4 μm–10 μm wavelength segment accounts for nearly 36% of total demand, followed by the 10 μm–15 μm wavelength range with about 33%, and the 15 μm–18 μm wavelength range contributing around 31%. These wavelength bands play critical roles in applications such as spectroscopy, laser transmission, medical diagnostics, and industrial gas sensing. The market growth across each wavelength type is supported by increasing adoption of advanced sensing systems in environmental, defense, and healthcare sectors. The overall market, valued at USD 8.34 million in 2025 and projected to reach USD 14.73 million by 2034, demonstrates steady expansion driven by efficiency improvements and broadening integration across photonics and optical communication technologies. Each segment reflects distinct growth dynamics influenced by specific end-use adoption and material advancements in fluoride fiber design and production.

By Type

4 μm Wavelength – 10 μm: This wavelength range dominates due to its superior performance in industrial gas sensing and spectroscopy systems. It is widely utilized for detecting molecular vibrations and trace gases in manufacturing and environmental monitoring sectors.

The Fluoride Mid-infrared Fiber Market for this segment holds nearly 36% share with an estimated size of USD 3.00 million in 2025 and strong growth projected through 2034. Continuous R&D to minimize signal loss and improve thermal resistance is expanding adoption across industrial and environmental monitoring applications.

Major Dominant Countries in the 4 μm – 10 μm Range

• United States: Market size USD 1.05 million with 39% share and 6.1% CAGR driven by strong industrial and defense integration.
• Germany: Holds 0.84 million with 28% share and 6.0% CAGR fueled by advanced spectroscopy applications.
• Japan: Estimated 0.62 million with 21% share and 5.9% CAGR supported by precision optical component development.

10 μm Wavelength – 15 μm: This segment is expanding rapidly due to its critical role in medical diagnostics, particularly for tissue imaging and surgical laser transmission. High compatibility with mid-infrared lasers enhances demand in biotechnology and defense optical systems.

The segment represents 33% market share with USD 2.75 million in 2025, showing consistent growth as healthcare and security systems adopt mid-infrared technologies. Increasing research investments into low-loss fluoride fibers are reinforcing performance and operational stability across high-precision devices.

Major Dominant Countries in the 10 μm – 15 μm Range

• United States: Estimated USD 0.98 million size, 36% share and 6.2% CAGR driven by biomedical laser integration.
• China: Holds USD 0.77 million with 28% share and 6.0% CAGR supported by rising R&D in infrared photonics.
• France: Accounts for USD 0.54 million with 20% share and 5.8% CAGR due to growing aerospace and defense utilization.

15 μm Wavelength – 18 μm: The longer wavelength range shows steady adoption in defense, remote sensing, and thermal imaging applications. Its ability to transmit high-energy infrared radiation efficiently makes it essential for scientific and aerospace instrumentation.

This segment captures 31% market share with USD 2.59 million in 2025 and is expected to expand substantially through 2034. Rising government initiatives in aerospace and satellite imaging have boosted the demand for advanced fluoride fiber systems offering high stability and durability in harsh conditions.

Major Dominant Countries in the 15 μm – 18 μm Range

• United Kingdom: USD 0.92 million with 35% share and 6.1% CAGR driven by satellite imaging and research projects.
• Russia: USD 0.70 million with 27% share and 6.0% CAGR supported by aerospace surveillance programs.
• India: USD 0.56 million with 22% share and 5.9% CAGR led by expanding defense and space research investments.

By Application

Industry: The industrial segment holds the largest portion of the Fluoride Mid-infrared Fiber Market due to increasing use in spectroscopy, process control, and gas sensing. Around 46% of total market demand comes from industrial applications where precise detection and thermal resistance are essential. Industries in manufacturing, petrochemicals, and environmental monitoring have adopted fluoride fiber technology to enhance operational efficiency and reduce emission analysis errors. The fibers’ capability to transmit stable infrared signals under extreme conditions is expanding their deployment across global industrial plants and automated systems.

The industrial application segment represents nearly 46% market share, valued at USD 3.83 million in 2025, and shows a strong upward trajectory driven by automation and advanced photonic sensor integration across major industrial sectors.

Major Dominant Countries in the Industry Application

• United States: USD 1.45 million with 38% share and 6.1% CAGR, driven by factory automation and process control advancements.
• Germany: USD 1.02 million with 27% share and 6.0% CAGR, led by high-end manufacturing and spectroscopy development.
• China: USD 0.82 million with 21% share and 5.9% CAGR, supported by growing industrial automation and emission analysis demand.

Medical: The medical sector is one of the fastest-growing applications for Fluoride Mid-infrared Fiber due to increasing adoption in imaging, diagnostic spectroscopy, and surgical lasers. These fibers offer accurate wavelength transmission critical for detecting molecular changes in tissues and fluids. Hospitals and research laboratories increasingly use mid-infrared fiber systems to improve diagnostic precision and reduce analysis time. Their biocompatibility and minimal signal attenuation make fluoride fibers ideal for non-invasive and portable medical equipment used in advanced healthcare facilities.

The medical application accounts for approximately 34% of total market share, equal to USD 2.84 million in 2025, with expansion supported by continuous R&D in diagnostic imaging and optical treatment systems across developed healthcare markets.

Major Dominant Countries in the Medical Application

• Japan: USD 1.06 million with 37% share and 6.2% CAGR, driven by hospital-grade optical devices and imaging precision.
• United States: USD 0.94 million with 33% share and 6.1% CAGR, supported by R&D in laser surgery and tissue diagnostics.
• France: USD 0.62 million with 22% share and 5.9% CAGR, led by advancements in optical healthcare technologies.

Others: The “Others” category covers applications such as defense, aerospace, and environmental monitoring. These sectors collectively contribute nearly 20% of the total market demand. Increasing adoption of mid-infrared fibers for surveillance, atmospheric analysis, and scientific research is fueling segment growth. Governments and research institutions are prioritizing fluoride fibers for use in compact, high-accuracy detection systems. Their exceptional transparency and durability across extreme wavelengths make them suitable for spaceborne and ground-based infrared sensors.

This segment captures around 20% market share, with an estimated USD 1.67 million in 2025, and is projected to expand consistently with rising investments in defense and atmospheric monitoring systems worldwide.

Major Dominant Countries in the Others Application

• United Kingdom: USD 0.58 million with 35% share and 6.1% CAGR, driven by aerospace and defense-based fiber innovations.
• Russia: USD 0.51 million with 31% share and 6.0% CAGR, supported by space communication and remote sensing research.
• India: USD 0.44 million with 26% share and 5.9% CAGR, propelled by growing defense and environmental science projects.

Fluoride Mid-infrared Fiber Market Regional Outlook

The Fluoride Mid-infrared Fiber Market shows a balanced geographic distribution, with strong adoption across North America, Europe, and Asia-Pacific. North America holds approximately 37% of the total market share, supported by technological leadership, defense investments, and industrial automation advancements. Europe follows closely with nearly 32% share, driven by research in photonics and healthcare innovations. The Asia-Pacific region represents around 25% of global demand, showing rapid growth in semiconductor, environmental monitoring, and aerospace sectors. Latin America and the Middle East & Africa together account for about 6% of the market, witnessing increasing participation through government-funded research projects and renewable energy applications. The regional spread highlights that each market has distinct strengths—North America’s R&D edge, Europe’s precision engineering, and Asia-Pacific’s mass-scale production capability—collectively strengthening global supply chains and adoption trends in the Fluoride Mid-infrared Fiber Market.

North America

North America remains a dominant region in the Fluoride Mid-infrared Fiber Market, holding nearly 37% global share due to widespread use in spectroscopy, aerospace, and defense applications. Technological innovation, strong manufacturing infrastructure, and robust demand for advanced sensing systems are key growth drivers. The United States leads regional development, supported by research and adoption in industrial, medical, and communication systems, while Canada and Mexico contribute through specialized fiber production and supply networks.

The Fluoride Mid-infrared Fiber Market in North America is valued at USD 3.08 million in 2025, projected to show steady growth through 2034 due to continuous R&D and integration in high-precision optical technologies.

North America - Major Dominant Countries in the Fluoride Mid-infrared Fiber Market

• United States: USD 1.92 million with 62% share and 6.1% CAGR, driven by advanced industrial and defense fiber applications.
• Canada: USD 0.71 million with 23% share and 6.0% CAGR, supported by optical component manufacturing and photonics R&D initiatives.
• Mexico: USD 0.45 million with 15% share and 5.8% CAGR, driven by expanding electronics and industrial automation sectors.

Europe

Europe represents one of the most mature markets for the Fluoride Mid-infrared Fiber industry, accounting for approximately 32% of the global share. The region benefits from established research infrastructure, precision engineering capabilities, and growing use of infrared technologies in healthcare, environmental testing, and defense. The demand for lightweight, low-loss optical fibers has surged across Germany, France, and the United Kingdom, where production focuses on sustainability and high-end optical manufacturing. Innovation in mid-infrared photonics and strategic collaborations with universities have further reinforced Europe’s leadership in specialized fiber research and deployment.

The European Fluoride Mid-infrared Fiber Market is valued at USD 2.66 million in 2025, supported by continued advancements in medical imaging, spectroscopy, and communication applications across industrial sectors.

Europe - Major Dominant Countries in the Fluoride Mid-infrared Fiber Market

• Germany: USD 1.08 million with 41% share and 6.0% CAGR, led by extensive photonics and fiber-optic manufacturing expertise.
• France: USD 0.82 million with 31% share and 5.9% CAGR, driven by defense and aerospace infrared technology development.
• United Kingdom: USD 0.76 million with 28% share and 6.1% CAGR, supported by industrial sensing and research-driven innovation projects.

Asia-Pacific

The Asia-Pacific region is showing the fastest growth in the Fluoride Mid-infrared Fiber Market, driven by advancements in optical communication, semiconductor production, and environmental sensing. Countries such as China, Japan, and South Korea are at the forefront of fiber technology, pushing the limits of wavelength transmission and manufacturing scalability. The rise of industrial automation and defense applications in emerging markets like India and South Korea has also boosted adoption. Increased investment in photonics research, coupled with regional production advantages, is positioning Asia-Pacific as a major global hub for fluoride fiber manufacturing and export. The region’s emphasis on cost-effective production, R&D expansion, and improved infrastructure makes it a critical growth engine for the industry.

The Fluoride Mid-infrared Fiber Market in Asia-Pacific is valued at USD 2.09 million in 2025, representing around 25% market share, supported by industrial innovation, photonic R&D, and increasing healthcare and defense integration.

Asia-Pacific - Major Dominant Countries in the Fluoride Mid-infrared Fiber Market

• China: USD 0.96 million with 46% share and 6.2% CAGR, driven by industrial fiber applications and manufacturing scale-up.
• Japan: USD 0.72 million with 34% share and 6.1% CAGR, supported by healthcare, spectroscopy, and precision sensing industries.
• India: USD 0.41 million with 20% share and 5.9% CAGR, propelled by defense, communication, and environmental projects.

Middle East & Africa

The Middle East & Africa region is gradually emerging in the Fluoride Mid-infrared Fiber Market through technological collaboration and increased adoption in defense, energy, and industrial monitoring. Investments in photonics research and infrastructure modernization are encouraging local fiber production capabilities. The region’s growing focus on renewable energy and atmospheric sensing is driving demand for mid-infrared fiber systems. Countries like the United Arab Emirates, Saudi Arabia, and South Africa are leading regional adoption with initiatives in aerospace communication, oil and gas monitoring, and security applications. Strategic partnerships with global manufacturers are also helping the region strengthen its photonics ecosystem.

The Fluoride Mid-infrared Fiber Market in the Middle East & Africa is valued at USD 0.51 million in 2025, capturing approximately 6% of the global market share, supported by rising industrial, defense, and research applications.

Middle East & Africa - Major Dominant Countries in the Fluoride Mid-infrared Fiber Market

• United Arab Emirates: USD 0.22 million with 43% share and 6.0% CAGR, driven by aerospace and energy-related infrared technologies.
• Saudi Arabia: USD 0.18 million with 35% share and 5.9% CAGR, supported by oil and gas optical sensing systems.
• South Africa: USD 0.11 million with 22% share and 5.8% CAGR, led by environmental and industrial monitoring applications.

List of Key Fluoride Mid-infrared Fiber Market Companies Profiled

Investment Analysis and Opportunities

The Fluoride Mid-infrared Fiber Market is witnessing a steady increase in investment activities as industries seek to enhance optical communication and sensing capabilities. Around 42% of total investment is directed toward R&D for improving fiber durability, flexibility, and signal transmission efficiency. Nearly 31% of capital inflow is focused on production optimization and advanced coating techniques to minimize attenuation losses. North America and Europe together account for almost 58% of global investments, supported by strong government and private funding in photonics and defense applications. The Asia-Pacific region contributes about 28% of total investment, primarily driven by domestic manufacturing expansion and the establishment of new research facilities. Investors are increasingly focusing on long-term opportunities in biomedical imaging, industrial automation, and defense systems, which together make up 65% of end-use demand for fluoride-based mid-infrared fibers. Mergers and collaborations among key players have grown by nearly 22% in the past few years, aiming to combine production efficiency with regional expertise. Venture capital participation in start-ups specializing in infrared fiber design has increased by 18%, reflecting a shift toward innovation-driven market expansion. With the rising need for miniaturized optical devices and low-loss fiber systems, the market provides a promising environment for sustained investment and strategic growth.

New Products Development

New product development in the Fluoride Mid-infrared Fiber Market is centered on improving transmission range, environmental resistance, and hybrid fiber integration. About 38% of new product launches focus on extended wavelength capability for use in spectroscopy, laser delivery, and chemical sensing applications. Nearly 26% of R&D programs aim to enhance flexibility and reduce signal degradation through refined fluoride glass compositions. Companies are adopting advanced drawing and coating technologies that improve performance stability by 19%, enabling better functionality in harsh industrial environments. Around 30% of new fibers are being designed to support medical imaging and diagnostic equipment, where precision and bio-compatibility are critical. Innovation in hybrid infrared fiber combining fluoride and chalcogenide materials has increased by 23%, broadening spectral coverage for scientific research and aerospace communication. Product testing efficiency has also improved by 15%, shortening time-to-market for customized fiber solutions. Manufacturers are increasingly adopting automated quality monitoring systems, which account for nearly 20% of process advancements. The overall trend in new product development reflects a strategic emphasis on innovation, energy efficiency, and cross-industry adaptability—positioning fluoride mid-infrared fiber as a vital component in next-generation optical and sensing technologies.

Recent Developments

Manufacturers in the Fluoride Mid-infrared Fiber Market have introduced several technological innovations and strategic expansions between 2023 and 2024 to strengthen their global competitiveness and production capabilities.

• Le Verre Fluoré – High-Purity Fiber Expansion: In 2023, Le Verre Fluoré announced a 27% production increase of ultra-low loss fluoride fibers, improving spectral transmission efficiency and mechanical durability. The company’s new process reduced defect rates by 18%, enhancing overall yield and expanding availability for industrial sensing and aerospace applications.

• art photonics – Hybrid Fiber Innovation: In 2023, art photonics introduced a new hybrid fluoride–chalcogenide fiber series, enhancing wavelength flexibility by 32%. This product line allows integration across spectroscopy and medical diagnostics systems, with reported attenuation reduction of 15% during operational testing phases.

• Thorlabs – Optical Performance Upgrade: In early 2024, Thorlabs developed advanced coating technology for fluoride mid-infrared fibers, increasing thermal resistance by 25% and extending operational life cycles by 20%. The improvement supports industrial and defense-grade applications requiring reliable transmission under extreme environmental conditions.

• CeramOptec – Sustainable Manufacturing Initiative: In 2024, CeramOptec implemented a 30% reduction in energy usage per fiber produced through optimized thermal processing. This sustainability-driven approach aligns with global eco-friendly manufacturing standards and reduces material waste by 22% while maintaining precision optical quality.

• Collaborative R&D Consortium – Photonics Partnership Expansion: In 2024, a consortium including major fiber manufacturers and research institutions was established to advance mid-infrared photonics. The initiative allocates 35% of funding to fluoride fiber development for high-performance sensors and environmental monitoring systems across Europe and Asia-Pacific.

These developments collectively highlight the market’s focus on innovation, sustainability, and cross-industry collaboration, resulting in improved performance, production efficiency, and adoption rates worldwide.

Report Coverage

The Fluoride Mid-infrared Fiber Market report provides a comprehensive analysis covering key aspects such as trends, growth factors, segmentation, regional outlook, and competitive landscape. It includes data-driven insights on applications across industrial, medical, defense, and aerospace sectors, which together represent nearly 85% of total demand. The report assesses market segmentation by wavelength range, with the 4 μm–10 μm category holding 36% of share, the 10 μm–15 μm range capturing 33%, and the 15 μm–18 μm range accounting for 31%. Geographically, North America contributes 37% to overall demand, Europe 32%, and Asia-Pacific 25%, while other regions collectively account for 6%. It also examines key drivers such as advancements in material purity, which have improved fiber transmission efficiency by 18%, and rising adoption across environmental sensing, which has grown 22% year-over-year. The coverage evaluates challenges including high production costs, limited scalability, and the need for enhanced thermal resistance in manufacturing. Additionally, the report details company profiles, investment analysis, R&D initiatives, and product innovation rates, providing a holistic view of market competitiveness. It emphasizes that collaboration among manufacturers, research institutions, and governments will remain essential for accelerating growth, expanding production capacity, and meeting increasing global demand for fluoride mid-infrared fiber technologies.