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Double Clad FBG
Category: Fiber Bragg gratings  Publish Time: 2014-05-30 11:03 
 

Double Clad FBG
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  Double Clad FBG

Description
Fiber laser is an emerging technology for industrial material processing including laser cutting, laser marking, laser welding and laser drilling. Fiber Bragg Grating is critical component inside fiber laser which is used to form lasing cavity.
Technica offer flexibility to produce high reflectors and output couplers on different kind of fibers including single mode fiber, PM fiber, large diameter fiber and double-clad fiber.

(Reflection spectrum)


 (Transmission spectrum)

Feathure
· Hi- Specially designed for fiber laser 
· Suitable for high power 
· Ultra-precise matching
· Wide variety of double clad fier type   
· Wide bandwidth and reflectivity range
· High reliability
Application
· Fiber laser
· Pump lockers
· Fiber sensor
Specification  

 Parameter

 Unit

 Specification

Tolerance

 Center Wavelength

 nm

 1050-1090;1460-1620

±0.25

 Reflectivity

 %

   0.5%-99.9%

±3

 Bandwidth (FWHM)

 nm

 0.01-50

±0.01

 SMSR

 dB

 >15

—

 Recoating

 

 Low Refractive Index Material or Custom

 Proof test

 

 ＞100Kpsi

 Optical Connector

  —

 FC/APC, FC/UPC

Custom

 Fiber Type

 —

Corning HI980/PM980 or equivalent,
Corning HI1060 or equivalent. 
Corning SMF 28 / Panda PM
Coractive/Lekki/Nufern double cladding fiber

Ordering information

DCFBG 1550.1 99.5 2.0 A

① ②  ③  ④
① ：Center Wavelength

② ：Reflectivity

③ ：Bandwidth（FWHM）

④ ：Optical Connector：A：FC/APC，B：FC/UPC，C：Custom，N：None
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