Top 10 Companies in the Thulium-Doped Fiber Market (2025): Market Leaders Enabling High-Power Lasers

In Business Insights
October 27, 2025

The Global Thulium-Doped Fiber Market was valued at USD 124.6 Million in 2024 and is projected to reach USD 218.3 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.8% during the forecast period (2024–2030). This robust expansion is propelled by surging demand for advanced medical lasers, industrial material processing systems, and military-grade directed energy applications.

As industries globally transition toward sophisticated laser-based technologies and the telecommunications sector evolves, the focus intensifies on the specialized fiber providers who are driving innovation, power scaling, and material science breakthroughs. In this analysis, we profile the Top 10 Companies in the Thulium-Doped Fiber Industry—a combination of photonics veterans, material scientists, and optical engineering pioneers shaping the trajectory of next-generation fiber lasers.


🔟 1. iXblue

Headquarters: Saint-Germain-en-Laye, France
Key Offering: TDF-10/125, TDF-25/250, Custom Doped Fibers

iXblue stands as a premier developer and manufacturer of rare-earth-doped fibers, maintaining a strong focus on thulium-doped variants for applications centered around the 2-micron wavelength region. Their product portfolio supports high-power laser systems utilized extensively in both medical surgery and industrial cutting applications.

Innovation Focus:

  • Advanced fiber coating technologies for enhanced durability

  • Custom fiber designs for bespoke laser architectures

  • R&D in high-power cladding-pumped fiber designs

Download FREE Sample Report: Thulium-Doped Fiber Market – View in Detailed Research Report


9️⃣ 2. Furukawa Electric Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: OEM-TDF Series, Laser Components

Furukawa Electric is a global industrial leader in optical fiber and cable manufacturing, with its specialty fibers division producing a comprehensive range of thulium-doped fibers that are critical for high-efficiency, mid-infrared laser sources.

Innovation Focus:

  • Proprietary manufacturing processes for superior dopant distribution

  • Integration of thulium fibers into complete laser subsystems


8️⃣ 3. Coherent Corp.

Headquarters: Saxonburg, Pennsylvania, USA
Key Offering: T-Doped LMA-PZ Fibers, High-Power Laser Platforms

Coherent, following its strategic merger with II-VI Incorporated, possesses one of the industry’s most extensive portfolios of active fibers, including advanced thulium-doped double-clad fibers designed for maximum power extraction.

Innovation Focus:

  • Development of fibers for kW-class industrial lasers

  • Strategic focus on vertical integration from fiber to laser system


7️⃣ 4. CorActive

Headquarters: Quebec, Canada
Key Offering: TDF Series, High-Power Fiber Laser Solutions

A recognized specialist in rare-earth-doped fibers, CorActive develops and manufactures a wide array of thulium-doped optical fibers. These fibers are engineered to meet the stringent demands of medical device manufacturers and defense contractors.

Innovation Focus:

  • Expertise in manufacturing fibers for harsh environment operation

  • Continuous R&D aimed at pushing the boundaries of fiber laser output power and efficiency, particularly in the 1.9-2.1 µm spectral band.

Download FREE Sample Report: Thulium-Doped Fiber Market – View in Detailed Research Report


6️⃣ 5. Nufern

Headquarters: East Granby, Connecticut, USA
Key Offering: TDF Series, Custom High-NA Fibers

Nufern, a subsidiary of Roper Technologies, is a leading producer of specialty optical fibers, including a robust selection of thulium-doped fibers optimized for high-power laser oscillators and amplifiers.

Innovation Focus:

  • Focus on large-mode-area (LMA) fibers to mitigate nonlinear effects

  • Supplies fibers for applications in scientific research, defense, and industrial manufacturing


5️⃣ 6. nLIGHT, Inc.

Headquarters: Vancouver, Washington, USA
Key Offering: TDF Products, Integrated Fiber Laser Systems

nLIGHT is a vertically integrated manufacturer of high-power semiconductor and fiber lasers. The company produces its own thulium-doped fibers, ensuring tight control over the performance and reliability of its final laser products.

Innovation Focus:

  • Proprietary fiber designs aimed at achieving industry-leading beam quality and power stability.

    Innovation Focus:

    • Continuous innovation in fiber design for improved thermal management and power scaling.


    4️⃣ 7. Liekki (Part of Newport Corporation)

    Headquarters: Tampere, Finland
    Key Offering: TDF Custom Solutions, Ytterbium-Tm Co-doped Fibers

    Liekki, operating under the Spectra-Physics brand of Newport Corporation, is renowned for its Direct Nanoparticle Deposition (DND) technology, which enables the production of high-performance thulium-doped fibers with exceptional uniformity.

    Innovation Focus:

    • Pioneering work in co-doped fibers (e.g., Yb-Tm) for novel laser transitions and enhanced pumping efficiency.


    3️⃣ 8. Fibercore Limited

    Headquarters: Southampton, United Kingdom
    Key Offering: TDF Standard and Custom, Specialty Fiber Drawing

    Fibercore specializes in the design and manufacture of specialty single-mode optical fibers, including active fibers doped with thulium ions for laser and amplifier applications demanding high power at 2-micron wavelengths.

    Innovation Focus:

    • Development of fibers with tailored chromatic dispersion and modal properties


    2️⃣ 9. YOFC (Yangtze Optical Fibre and Cable Company Ltd.)

    Headquarters: Wuhan, China
    Key Offering: TDF for Medical & Industrial Lasers

    YOFC is one of the world’s largest optical fiber preform, fiber, and cable manufacturers, with a growing portfolio of active fibers, including several thulium-doped variants.

    Innovation Focus: