True LMA fiber featuring a unique low NA (< 0.1) high concentration Ho-doped core design. The Ho-doped fiber can be pumped by a Tm-doped fiber laser at ~1950 nm and can achieve 60% efficiency. The Ho-doped fiber features a unique all-glass cladding design with a 40 µm diameter Ho-doped core, a glass inner cladding diameter of 250 µm, a 320 µm 0.22NA index depressed outer glass cladding for the pump radiation and a fluoroacrylate outer polymer jacket (40/250/320/400).

This product requires a purchase of a minimum quantity of : 1

Price $754.70 USD

Details

Features & Benefits

Unique low NA Ho-doped core design — Robust single-mode beam quality
NuCOAT fluoroacrylate coating — Greater fiber durability in extreme environmental operating & storage conditions
High pump absorption — Short fiber length, efficient lasing in the ~2 μm window
Unique all-glass double clad design — For achieving higher output powers

Typical Applications

High power CW and pulsed EyeSafe (~2 μm) lasers and amplifiers
EyeSafe industrial and medical lasers
Military and commercial LIDAR

Resources

Datasheets

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Datasheets

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Specs

General

Large Mode Area

Fiber Application

Laser & Amplifier

Product Family

NuTDF

Active Dopant

Holmium

Claddings

Triple

Minimum Operating Wavelength (nanometers)

2100

Maximum Operating Wavelength (nanometers)

2200

Core Diameter (micrometers)

Core Numerical Aperture (NA)

0.08

Cladding Absorption

0.55 ± 0.2 dB/m at 1150 nm

First Cladding Diameter (micrometers)

250

Second Cladding NA

0.46

Second Cladding Diameter (micrometers)

320

Coating Diameter (micrometers)

550

Proof Test Level

100 kpsi (0.7 GN/m²)