Customized Single Type Micro MEMS Variable Optical Attenuator

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Fiber-MART Customized Single-Channel Micro MEMS Variable Optical Attenuator

The MEMS Variable Optical Attenuator is based on the Micro-Electro-Mechanical System technology. These MM series attenuators can be used to achieve the remote control of the power in the networks by a MEMS chip with a movable mirror on the silicon. The mirror attenuates the laser light power by coupling the input beam onto the output fiber. The applied voltage to the device controls the mirror tilt angle, thus the desired attenuation amount.

Fiber-MART offers standard, mini and micro MEMS VOAs in a fast, low cost miniature package. These best-in-class attenuators are available in either normally-open or normally-closed configurations and with an integrated tap option. They are driven by applying an electrical voltage.

Fiber Connector	LC/SC/FC/ST	Ferrule Type	Zirconia Ceramic
Attenuation Type	Bright/Dark	Transfer Mode	Singlemode
Attenuation	1~40dB	Operating Wavelength(nm)	1525-1570nm/1570-1610nm
Attenuation Accuracy	±0.5dB	Return Loss	≥45dB
Polarization Dependent Loss	≤0.5dB	Max Optical Input Power	500mW
Humidity	95%RH	Operating Temp Range	-0~70°C
Storage Temp Range	-40~85°C

Highlights

Single-Channel Standard Variable Optical Attenuator MEMS

Precise attenuation values
Low PDL & insertion loss
Precisional reflection polishing

1.Wide attenuation range of 0dB to 40dB

The MEMS attenuators from Fiber-MART are designed to provide the accurate attenuation required for connecting devices and have a wide range of attenuation.

2.Various connectors are available

The Fiber-MART Customized Single-Channel Standard MEMS Variable Optical Attenuator has a variety of connectors to suit the needs of different applications.

3.High quality collimator

This kind of attenuator adopts high quality optical fiber collimator to make the product have high environment reliability, high response speed and low insertion loss.

Advanced MEMS Technology to Balance Signal Strengths in DWDM Network

A MEMS mirror may be configured such that a beam from an input fiber bounces off the mirror and into an output fiber. By slightly tilting the mirror, the input and output fibers are decoupled and the signal is attenuated.

Attenuator Application

As a passive optical device, Fiber-MART MEMS Variable Optical Attenuator focuses on signal power management in optical networks. The MEMS VOA can be used to gain equalization in DWDM systems and gain tilt control in EDFAs. And they are also applied in testing equipments.