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MEMS Variable Optical Attenuator

It is based on an electrostatic drived 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 @ 0 dB

dB

 ≤ 0.1

Polarization Dependence Loss @ 20 dB

dB

 ≤ 0.3

Wavelength Dependence Loss @ 10 dB

dB

 ≤ 0.5

Wavelength Dependence Loss @ 20 dB

dB

 ≤ 1.0

Ripple (within 0.4 nm window within 20 dB)

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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