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MEMS Variable Optical Attenuator

based on an electrostatic drived micro-electro-mechanical-system (MEMS) chip
  • Product Detail

AFR's MEMS Variable Optical Attenuator is based on an electrostatic drived micro-electro-mechanical-system (MEMS) chip. The MEMS chip consists of a tilting mirror to change light coupling between input and output fibers. The components are characterized with low insertion loss, fast response and compact size. It is widely uesd in WDM networks, power control or gain variation in EDFA.


Specifications

Parameter

Unit

Value

Operating Wavelength Range 

nm

1530-1570/1570-1610

Insertion Loss

dB

 ≤0.8

Attenuation Range

dB

>30

Block State (Dark type, IL at power off)

dB

 >40

Polarization Dependence Loss @0dB

dB

 ≤0.1

Polarization Dependence Loss @20dB

dB

 ≤0.3

Wavelength Dependence Loss @10dB

dB

 ≤0.5

Wavelength Dependence Loss @20dB

dB

 ≤1.0

Ripple (within 0.4nm window within 20dB)

dB

 ≤0.05

Polarization Mode Dispression (PMD)

ps

 ≤0.1

Return Loss

dB

>45

Response Time

 ms

 ≤2

Max. Optical Power (Continuous Wave)

 mW

 300

Drive Voltage

 V

 ≤8

Fiber Type

 

 SMF28

Operating Temperature

 ℃

 -5 to +70

Storage Temperature

  ℃

 -40 to +85


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