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1943nm Fiber Brag Grating

The Fiber Brag Gratings (FBGs) can be FBG mirrors which are based on the reflective properties of the FBGs written in the core of an optical fiber waveguide. The FBGs’ principal application is to use a high and low reflector to form a stable laser cavity having the lasing wavelength selected by the low reflector.

Lightcomm FBGs have been customized to address the specific requirements of high efficiency and low noise laser applications.


Key Features

* Single mode or double clad fiber available

* In house fiber

* High power application


Applications

* Fiber Laser

* Fiber Sensor


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1943nm Fiber Brag Grating-V1.1


Specifications

                                      Type
Parameters

UFBG

High reflectivity

Output Coupler

Center Wavelength1 @3 dB (nm)

1943±0.4

1943±0.4

Reflection Bandwidth @ 3 dB (nm)

1.0±0.2

0.4±0.1

Reflectivity2 (%)

≥99

10±3

Side-mode Suppression (dB)

≥10

≥10

Wavelength Mismatch (OC relative to HR)

≤0.3

Thermal Slope3 ( /W)

≤0.050

Fiber Type

Nufern-FUD-4070-SM-GDF-10/130-15FA

Wavelength dependence with temperature (pm/℃)

<15

Power Handling (W)

100

Operating Temperature ()

+10~+50

Storage Temperature ()

-5~+60

Dimensions(mm)

70*12*8

1- Optical measurements are performed at nominal operating temperature (22), referenced to vacuum.

2-LP01’s Peak reflectivity is estimated from the measured transmission spectrum.

3-Thermal slope is the coefficient of temperature elevation relative to the injected pump power.

4-Heatsinking is required.

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