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kW Package-free ClearCut™ Fiber Bragg Grating

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Product Name: kW Package-free ClearCut™ Fiber Bragg Grating

 

The kW Package-free ClearCut™ Fiber Bragg Grating products are ultra low insertion loss fiber bragg gratings
for high power fiber lasers. With AFR's ClearCut designing and special process, the devices can handle kilowatt level
pump power and signal power with recoated only.

 

Features

● Package Free Designing

● Ultra Low Temperature Slope

● Flexible and Good Mechanical Performance

● Outstanding Reliability

 

Specifications

Parameter

Unit

Value

Center Wavelength

nm

1030, 1064, 1070,1080

 Tolerance on Center Wavelength  nm  1.0

  Max. Wavelength Mismatch (OC Relative HR)

nm

0.2

  Temperature Slope Suspendend in Air2  ℃/W  ≤0.02
  High Reflector (HR) / Output Coupler (OC)    HR          OC

  Peak Reflectivity

%

99.0       (5.0-30.0)±2.0

 Reflection Bandwidth (FWHM) at 95%  nm 1.5-4.0                /

  Reflection Bandwidth (FWHM) at 50%

nm

    /              0.2-2.0

  Tolerance on Reflection Bandwidth

nm

0.1-0.4          0.1-0.2

  Min. Side Mode Suppression Ratio

dB

  20               10

  Fiber Core/Cladding Dimension

um

10/125, 14/250, 20/400, 25/400

  Min. Core Signal Power Handling  W  300, 800, 1500, 2000
  Min. Clad Pump Power Handling   W 450, 1200, 2000
  Fiber Type  / PM or Non-PM
  Recoating Length  mm  40-60
  Storage Temperature  ℃  -40 to +85
1. The grating area should be kept on active cooling plates. (The cooling temperature ≤25℃)

2. For total power: the signal power in the core and the pump power in the cladding. (The slope efficiency is about 70%)

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