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Laser and amplifier fibers

Thulium/Holmium doped fibers

Lasers & amplifiers fibers

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For fiber lasers from 1.9 to 2.2 µm

Exail proposes a wide range of thulium/holmium (Tm/Ho) doped optical fibers for amplifiers and fiber lasers.

For high-power CW and pulsed lasers ~2 µm

Tm/Ho doped fibers with triple clad design to be used in high-power regime for amplifiers and fiber lasers configuration.

Features

CW and pulsed fiber lasers @ 2 µm
High pump and consistent absorption
Low M² and NA
High efficiency
High Tm₂0₃ concentration
Heat dissipation
Eye-safe lasers

2 µm CW & pulsed lasers
2 µm amplifiers
Fiber lasers
Military and commercial LIDAR
Directed Energy Laser (DEL)

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Publications

Optimizing the performance of a monolithic Tm3+, Ho3+-codoped fiber laser by FBG reflected wavelength and fiber gain matching

The gain medium is a silica double clad (DC) polarization-maintaining (PM) Thulium-Holmium Doped Fiber (THDF) from exail exhibiting a codoped (Tm3+ Ho3+) core of 20 µm diameter (NA = 0.11) and a 300-µm circular pump cladding (NA = 0.46). All FBGs utilized in this study were produced by exail.

P195-w continuous wave laser emission at 2.09 μm from a Tm3+,Ho3+-codoped single-oscillator monolithic fiber laserower efficient all-fiberized 12-core erbium/ytterbium doped optical amplifier

We report on a high efficiency (45%) single-oscillator monolithic Tm3+, Ho3+-codoped fiber laser emitting 195 W at 2.09 µm in CW mode of operation, with a beam quality near the diffraction limit (M2 = 1.08).