
Laser and amplifiers fibers
In the dynamic landscape of laser and communication applications, the demand for heightened power, stability, and efficiency has never been more crucial. Enter Exail, a leading force in specialty optical fibers, celebrated for its unwavering commitment to delivering advanced and precise fiber technology.
As fiber lasers evolve from milliwatts to kilowatts, Exail's expertise in high-power fiber lasers and amplifiers sets new industry benchmarks. Leveraging the advantages of a high surface-to-volume ratio and the guiding effect, Exail ensures exceptional performance even under challenging conditions.
Erbium/Ytterbium co-doped fibers
Erbium doped fibers
Ytterbium doped fibers
Thulium doped fibers
Holmium doped fibers
Thulium/Holmium co-doped fibers
Neodymium doped fibers
Passive fibers
Custom fibers
Unleash the potential of doped fibers
Lasers and amplifiers fibers, represent a crucial technology in laser amplification primarily doped with rare earth ions like erbium (Er), neodymium (Nd), and ytterbium (Yb). The operational principle involves the stimulated emission of radiation, with excited ions amplifying the signal photon. Employing the waveguiding effect of optical fibers, these amplifiers find applications in various domains, from long-distance optical communications to high-power laser material processing.

Erbium/Ytterbium co-doped fibers
Erbium/Ytterbium co-doped fibers are optimized for high-power 1.5 μm amplifiers and lasers. They offer peak power, excellent beam quality, and ASE suppression, ideal for sensing, telecom, and medical applications.
Erbium/Ytterbium co-doped fibers

Erbium doped fibers
Erbium-doped fibers provide efficient, low-noise signal amplification for C and L Band applications. With double-clad options for high-power use, they excel in long-range optical communications at 1.5 μm wavelengths.
Erbium doped fibers

Ytterbium doped fibers
Ytterbium-doped fibers offer high optical conversion efficiency and low noise for 1 μm amplifiers and lasers. With excellent pump absorption and low M2, they are ideal for CW and pulsed lasers, delivering efficient performance across a range of applications.
Ytterbium doped fibers

Erbium/Ytterbium co-doped fibers
Erbium/Ytterbium co-doped fibers are optimized for high-power 1.5 μm amplifiers and lasers. They offer peak power, excellent beam quality, and ASE suppression, ideal for sensing, telecom, and medical applications.

Erbium doped fibers
Erbium-doped fibers provide efficient, low-noise signal amplification for C and L Band applications. With double-clad options for high-power use, they excel in long-range optical communications at 1.5 μm wavelengths.

Ytterbium doped fibers
Ytterbium-doped fibers offer high optical conversion efficiency and low noise for 1 μm amplifiers and lasers. With excellent pump absorption and low M2, they are ideal for CW and pulsed lasers, delivering efficient performance across a range of applications.

Thulium doped fibers
Thulium-doped fibers are designed for 1.9 to 2.2 µm fiber lasers, offering high pump absorption, low M², large mode area, and high efficiency. Ideal for high-power CW and pulsed lasers, as well as 2 µm amplifiers, ensuring reliable and efficient performance.
Thulium doped fibers

Holmium doped fibers
Holmium-doped fibers are optimized for 1.9 to 2.2 µm fiber lasers and amplifiers. Supporting high-power CW and pulsed lasers, they feature high pump absorption, large mode area, low M², and effective heat dissipation. Ideal for 2 µm lasers, amplifiers, LIDAR, and defense applications.
Holmium doped fibers

Thulium/Holmium co-doped fibers
Thulium/Holmium-doped fibers are designed for 1.9-2.2 µm lasers, with a triple-clad structure for high-power use. They offer high pump absorption, low M² and NA, large mode area, and efficient heat dissipation, ideal for creating eye-safe lasers.
Thulium/Holmium co-doped fibers

Thulium doped fibers
Thulium-doped fibers are designed for 1.9 to 2.2 µm fiber lasers, offering high pump absorption, low M², large mode area, and high efficiency. Ideal for high-power CW and pulsed lasers, as well as 2 µm amplifiers, ensuring reliable and efficient performance.

Holmium doped fibers
Holmium-doped fibers are optimized for 1.9 to 2.2 µm fiber lasers and amplifiers. Supporting high-power CW and pulsed lasers, they feature high pump absorption, large mode area, low M², and effective heat dissipation. Ideal for 2 µm lasers, amplifiers, LIDAR, and defense applications.

Thulium/Holmium co-doped fibers
Thulium/Holmium-doped fibers are designed for 1.9-2.2 µm lasers, with a triple-clad structure for high-power use. They offer high pump absorption, low M² and NA, large mode area, and efficient heat dissipation, ideal for creating eye-safe lasers.

Neodymium doped fibers
Neodymium fibers for 890–1100 nm lasers enhance efficiency with a tailored composition that minimizes 1.06-micron emission. These double-clad fibers ensure low splicing losses, high NA, low-index cladding, and minimal macrobending losses for optimal performance.
Neodymium doped fibers

Passive fibers
Passive fibers facilitate pump and signal delivery in various settings, from biotechnology to oil & gas. Our range includes polarization-maintaining and photosensitive fibers with a pure silica SM core, essential for fiber lasers and amplifiers.
Passive fibers

Rad-hard space grade doped fibers
Exail has produced more than 20 flying navigation systems that are equipped with our fibers and components. We have developed a strong experience in the qualification of such devices in collaboration with end users.
Rad-hard space grade doped fibers

Neodymium doped fibers
Neodymium fibers for 890–1100 nm lasers enhance efficiency with a tailored composition that minimizes 1.06-micron emission. These double-clad fibers ensure low splicing losses, high NA, low-index cladding, and minimal macrobending losses for optimal performance.

Passive fibers
Passive fibers facilitate pump and signal delivery in various settings, from biotechnology to oil & gas. Our range includes polarization-maintaining and photosensitive fibers with a pure silica SM core, essential for fiber lasers and amplifiers.

Rad-hard space grade doped fibers
Exail has produced more than 20 flying navigation systems that are equipped with our fibers and components. We have developed a strong experience in the qualification of such devices in collaboration with end users.

Fibers for Raman Amplifiers
Phosphorous P-Doped fiber especially designed to achieve very high Raman gain at 1.48 micron for high-power pumping of Erbium doped fibers. P-Doped Fiber offers a Raman shifted gain that is three times higher than the germanium-doped fibers.
Fibers for Raman Amplifiers

Multicore fibers
Multicore fibers can be used in a large variety of sensing application where the need to reduce the global footprint is also required for cables and connectors.
Multicore fibers

Coreless fibers
Exail offers coreless fibers made of high-purity silica. Coreless fibers are pure silica glass rods with an acrylate coating for example used to terminate fiber end faces, either to reduce the power density, reduce back reflections, or manufacture micro-optics.
Coreless fibers

Fibers for Raman Amplifiers
Phosphorous P-Doped fiber especially designed to achieve very high Raman gain at 1.48 micron for high-power pumping of Erbium doped fibers. P-Doped Fiber offers a Raman shifted gain that is three times higher than the germanium-doped fibers.

Multicore fibers
Multicore fibers can be used in a large variety of sensing application where the need to reduce the global footprint is also required for cables and connectors.

Coreless fibers
Exail offers coreless fibers made of high-purity silica. Coreless fibers are pure silica glass rods with an acrylate coating for example used to terminate fiber end faces, either to reduce the power density, reduce back reflections, or manufacture micro-optics.

Custom fibers
Exail offers optical fibers with virtually unlimited design possibilities and optimization in terms of geometry, doping material, and coating.
Custom fibers

Custom fibers
Exail offers optical fibers with virtually unlimited design possibilities and optimization in terms of geometry, doping material, and coating.
Why choose us?

Robust in-house manufacturing capabilities
Exail, a recognized manufacturer, produces high-end specialty fibers and components in controlled environments and production areas to ensure high proof strength, tight tolerances, and a high-quality level.
Robust in-house manufacturing capabilities

Custom solutions
Exail can accommodate various customization requirements. Exail optical components have already proven their relevance for very specific and demanding applications, including inertial fusion facilities, space and quantum technologies.
Custom solutions

Leveraging strong partnership with the best academic laboratories
Exail nurtures fruitful collaborations with leading research labs, through joint laboratories. The LabH6 joint laboratory with the Hubert Curien Laboratory (Univ. St-Etienne/CNRS/IOGS) aims to develop optical fibers and optical fiber-based sensors for harsh environments.
Leveraging strong partnership with the best academic laboratories

Robust in-house manufacturing capabilities
Exail, a recognized manufacturer, produces high-end specialty fibers and components in controlled environments and production areas to ensure high proof strength, tight tolerances, and a high-quality level.

Custom solutions
Exail can accommodate various customization requirements. Exail optical components have already proven their relevance for very specific and demanding applications, including inertial fusion facilities, space and quantum technologies.

Leveraging strong partnership with the best academic laboratories
Exail nurtures fruitful collaborations with leading research labs, through joint laboratories. The LabH6 joint laboratory with the Hubert Curien Laboratory (Univ. St-Etienne/CNRS/IOGS) aims to develop optical fibers and optical fiber-based sensors for harsh environments.