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工业级Polarization Maintaining Filter WDM

Polarization Maintaining Filter WDM

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Description

The PM Fliter Wavelength Division Multiplexer combines two different  wavelength into one fiber, based on environmentally stable thin film filter technology.  The PM FWDM is designed mainly for EDFA, Pump lasers,commucation system,characterized with high isolation, low insertion loss, high return loss, excellent environmental stability ,high power handling capability and wide band.

Specifications
Parameters Unit Values
Type nm 1064/980 1550/980 1550/1064 1550/1480
Transmission Wavelength nm 1020~1080 1520~1580 1520~1580 1535~1565
Reflection Wavelength nm 960~990 960~990 1020~1080 1480±10
Max.Insertion Loss of Transmission Channel dB 0.8 0.7 0.8 0.8
Max.Insertion Loss of Reflection Channel dB 0.6 0.5 0.6 0.6
Min.Transmission Isolation@Reflection Wavelength dB 25 30 25 25
Min.Reflection Isolation@Transmission Wavelength dB 12 15 12 12
Max.Channel Flatness dB 0.4
Min.Extinction Ratio at 23℃ dB 18
Max.Wavelength thermal stability nm/℃ 0.003
Max.Insertion loss thermal Stability dB/℃ 0.005
Min.Return Loss N 50
Max.Power Handling (CW) mW 300
Fiber Type - PM Panda fiber
Operating Temperature 0~+70
Storage Temperature -40~+85
For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower;

The default connector key is aligned to slow axis;

Important Notice


Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

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