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DCF-UN-20/250-070

Double-Clad Passive Optical Fiber

Passive component manufacturing
Fiber laser systems
Laser beam delivery

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DCF-UN-20/250-070 at a glance

Key specifications

0.075 ± 0.005
Core Numerical Aperture: > 0.46
Cladding Numerical Aperture: < 10.0
Background Loss @ 1200 nm (dB/km): 20 ± 2
Core Diameter (µm): 250 ± 5
Cladding Diameter (µm): ≤ 1.8
Core/Cladding Concentricity Error (µm)

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Double-Clad Passive Optical Fiber

DCF-UN-20/250-070

Description

Specifications

The DCF-UN-20/250-070 passive fiber features excellent geometrical properties. It is specially designed for manufacturing fiber laser passive components such as power combiners or isolators. This fiber can also be used for beam delivery cables for low-power industrial fiber lasers.

Features & Benefits

Compatible with industry standards
Low background losses
Excellent geometrical properties

Applications

Passive component manufacturing
Fiber laser systems
Laser beam delivery

DCF-UN-20/250-070

Optical fiber specifications

Optical

Core Numerical Aperture

0.075 ± 0.005

Cladding Numerical Aperture

> 0.46

Background Loss @ 1200 nm (dB/km)

< 10.0

Geometrical & Mechanical

Core Diameter (µm)

20 ± 2

Cladding Diameter (µm)

250 ± 5

Core/Cladding Concentricity Error (µm)

≤ 1.8

Coating Diameter (µm)

375 ± 20

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