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Title: MOEMS variable optical attenuator with improved dynamic characteristics based on robust design
Authors: Lee, C. 
Keywords: Electrothermal actuators
Microoptoelectromechanical systems (MOEMS)
Variable optical attenuators (VOAs)
Wavelength-division multiplexing (WDM)
Issue Date: 15-Mar-2006
Citation: Lee, C. (2006-03-15). MOEMS variable optical attenuator with improved dynamic characteristics based on robust design. IEEE Photonics Technology Letters 18 (6) : 773-775. ScholarBank@NUS Repository.
Abstract: The design and preliminary data of a novel microoptoelectromechanical systems variable optical attenuator (VOA) driven by a pair of V-beam electrothermal actuators is described. This VOA deploys a face-to-face arranged pair of 45° tilted mirrors in front of two coaxially aligned lensed fibers to form retro-reflection planar light path for attenuation. The initial insertion loss is 0.7 dB at 1550 nm and the maximum dynamic range of attenuation is 50 dB, respectively. The polarization-dependent loss is measured as 0.15 dB at 20-dB attenuation. The dynamic attenuation deviation is less than ±0.36 dB at 20-dB attenuation with respect to 20-G shock of periodical mechanical vibration at 1 K Hz, in which it complies with requirements of the Telcordia GR1221 regulations. © 2006 IEEE.
Source Title: IEEE Photonics Technology Letters
ISSN: 10411135
DOI: 10.1109/LPT.2006.871108
Appears in Collections:Staff Publications

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