Product information "mVOA Variable Optical Attenuators"
MEMS-based, Coaxial Style; Fiber Type SM (SMF28ultra, ZBL, SM600/850/980), PM (HP850/908PM); 650 to 1670 nm; Fiber Length 50 to 100 cm; Attenuation up to 30 dB, 40 dB
Sercalo Microtechnology’s mVOA series of coaxial ultra-small fiber optic variable optical attenuators (VOAs) is based on an electrostatic MEMS mirror. It comes in a hermetically sealed package with a diameter of only 3.5 mm, and the devices are manufactured with the latest techniques in laser welding for achieving better stability and improved reliability.
A voltage between 0 and 6.5 V on the drive pin sets the optical attenuation. When power is removed, the VOA returns into its default state. There are two variants available with different default states: normally open (bright) or high attenuation (dark). The dark variant has better linearity and is used in applications where the light is cut at power off. The mVOA series is designed to conform to Telcordia 1221 reliability standards. No epoxy is present in the optical path. The optical collimator is assembled using laser welding techniques which results in long term stability and excellent reliability. The components withstand rugged environments and can directly be mounted on printed circuit boards. This ultra small mVOA series is compliant to ROHS requirements 2011/65/EU and ideally suited for gain control in amplifiers and transceivers.
Diameter 3.5 mm
Laser Welded Package
Reliable- 0 to 6.5 V
Applications: Telecom; Instrumentation; Test and Measurement
Variable Optical Attenuators
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