Optical Combiner

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Cavity Component for Fiber Laser (Backward)

Cavity Component for Fiber Laser (Backward)

The Backward pump (6+1)×1 High Power Combiner with ClearCut Fiber Bragg Grating enables highly efficient combining of the powers from up to 6 multimode pump diodes into an FBG with low insertion loss for high power fiber lasers. With AFR's ClearCut design and packaging, the devices can handle 3 kW pump power and 3 kW signal power.
Product Detail
Key FeaturesApplications
Combiner and FBG IntegratedFiber Laser
Low Transmission Loss
Exceptional Reliability


Specifications

Parameter

Unit

Value

 Operation Wavelength

nm

1080 ± 1

 Max. Handling Signal Power

W

3000

 Max. Signal Channel Insertion Loss (Total)1

dB

0.3

 Storage Temperature

- 40 to + 85

 Operating Temperature

0 to + 50

 Cooling Bottom Plate Temperature

≤ 25




 Parameters for Combiner



 Product Type

-

Backward pump (6+1)×1

 Pump Wavelength

nm

976

 Fiber Type for Input (Pump Channel)

-

BrightCore MM200/220 DCF, 0.22 NA

 Fiber Type for Input (Signal Channel)

-

20/400 DCF, 0.065 NA

 Fiber Type for Output (Signal Channel)

-

Customization

 Min. Pump Efficiency

%

97

 Max. Input Signal Power

W

3000

 Max. Input Pump Power

W

6 × 500

 Max. Backward Power Handling

W

300

 Package Dimensions



 Pump Power < 3 kW

mm

150 (L) × 15 (W) × 10 (H)

 Pump Power ≥ 3 kW

mm

180 (L) × 15 (W) × 11 (H)




 Parameters for FBG (OC)



 Fiber Type

-

20/400 DCF, 0.065 NA

 Peak Reflectivity

%

(5.0 - 30.0) ± 2.0

 Reflection Bandwidth at 50%

nm

0.2 - 2.0

 Tolerance on Reflection Bandwidth

nm

0.1 - 0.2

 Min. Side Mode Suppression Ratio

dB

10

 Max. Wavelength Mismatch (OC Relative HR)

nm

0.3


1Test with 1064 nm light source.

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