Polarization Maintaining MEMS Variable Optical Attenuator

AFR's MEMS Variable Optical Attenuator is based on an electrostatic drived micro-electro-mechanical-system (MEMS) chip. The MEMS Variable Optical Attenuator 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. The MEMS Variable Optical Attenuator is widely uesd in WDM networks, power control or gain variation in EDFA.

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Product Detail

Key Features	Applications
Fast Response	Fiber Optics Communication
Low Insertion Loss	WDM Networks
Compact Size	EDFA

Specifications

Parameter	Unit	Value
Operating Wavelength Range	nm	1530 - 1570/1570 - 1610
Max. Insertion Loss	dB	0.8
Min. Attenuation Range	dB	30
Min. Block State (Dark Type, IL at Power off)	dB	40
Max. Polarization Dependent Loss @ 0 dB	dB	0.1
Max. Polarization Dependent Loss @ 20 dB	dB	0.3
Min. Extinction Ratio	dB	18
Max. Wavelength Dependent Loss @ 10 dB	dB	0.5
Max. Wavelength Dependent Loss @ 20 dB	dB	1
Min. Return Loss	dB	50
Max. Response Time	ms	2
Max. Optical Power (Continuous Wave)	mW	300
Max. Drive Voltage	V	8
Fiber Type	-	PM 1550 Panda Fiber
Operating Temperature	℃	- 5 to + 70
Storage Temperature	℃	- 40 to + 85

¹IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower for each connector added.
²Connector key is aligned to slow axis.

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Polarization Maintaining MEMS Variable Optical Attenuator

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