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820nm 1×2 2×2 PM Fiber Filter Coupler

820nm 1×2 2×2 PM Fiber Filter Coupler is built with thin-film filter technology. optical signal power can be splitted into two parts with even or various coupling ratio by the Filter Coupler, it’s widely applied in Quantum Communication and Fiber Optic Sensor field, the high power type is available upon request.

Wavelength: 800, 808, 810, 820, 830, 850, 895nm
Handling Power: 500mW CW
Fiber Type: PM fiber

Description

820nm 1×2 2×2 PM Fiber Filter Coupler

       820nm 1×2 2×2 PM Fiber Filter Coupler is built with thin-film filter technology. optical signal power can be splitted into two parts with even or various coupling ratio by the Filter Coupler, it’s widely applied in Quantum Communication and Fiber Optic Sensor field, the high power type is available upon request.

Application: Features:
Quantum Communication Low Excess Loss
Fiber Optic Sensor High Extinction Ratio
Testing System Low Insertion Loss
Optical Diffraction System High Reliability

Specification:

Parameter
Symbol Value
Unit
Center Wavelength
λ 820
nm
Bandwidth
BW ±10
nm
Configuration
1×2 2×2
Max. Excess Loss
EL 1.0 1.2 dB
Coupling Ratio Tolerance
1± 0.2, 2± 0.4, 3± 0.7, 5± 1, 10, 20, 30, 50 %
Min. Extinction Ratio
For Both Axes Working ER 20 18 dB
For Fast Axis Blocked ER 22 20 dB
Min. Directivity
50
dB
Min. Return Loss
RL 50 dB
Max. Optical Power (CW)
P 500 or specify mW
Max. Tensil Load
5 N
Fiber Type
PM Panda fiber
Operating Temperature
T -0~70
Storage Temperature
T -40~85
Package Dimension
Φ5.5×L35
mm
Notice: Above specifications are tested at center wavelength without connector in room temperature @23℃. 
           For devices with connectors, IL will be 0.3dB higher, ER will be 2 dB lower, RL will be 5dB lower.

Drawing:

Ordering Information (Part Number):

 PMFIC-WWW-PP-A-RR-J-LL-CC
 WWW  PP  A  RR  J  LL  CC
 Wavelength  Port  Working Axis  Coupling Ratio  Fiber Jacket  Fiber Length  Connector
 800 – 800nm  12 – 1×2  F – Fast Axis Blocked  01 – 1/99  B – 250um Bare Fiber  05 – 0.5m  NE – None
 808 – 808nm  22 – 2×2  B – Both Axes Working  02 – 2/98  9 – 900um Loose Tube  10 – 1.0m  FA – FC/APC
 810 – 810nm    03 – 3/97  2 – 2.0mm Loose Tube  15 – 1.5m  FU – FC/UPC
 820 – 820nm    05 – 5/95  3 – 3.0mm Loose Tube  20 – 2.0m  SA – SC/APC
 830 – 830nm      10 – 10/90  SS – Specify  SU – SU/APC
 850 – 850nm      20 – 20/80  LA – LC/APC
 895 – 895nm      30 – 30/70  LU – LC/UPC
 SSS – Specify      40 – 40/60  SS – Specify
       50 – 50/50  
       SS – Specify  

Example: PMFIC-820-12-F-50-9-10-FA is the PN for 820nm PM Fiber Filter Coupler, 1×2, 50/50, Fast Axis Blocked, 1.0m PM fiber, 900um loose tube, FC/APC connector

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