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Polarization Maintaining MEMS Variable Optical Attenuator

The Polarization Maintaining MEMS Variable Optical Attenuator is widely uesd in WDM networks and power in EDFA.
  • 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 (λc)

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 Dispresion (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

-

PM 1550 fiber

 Operating Temperature

 ℃

- 5 to + 70

 Storage Temperature

 ℃

- 40 to + 85

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