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Compact multichannel MEMS based spectrometer for FBG sensing
Author(s): D. Ganziy; B. Rose; O. Bang
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Paper Abstract

We propose a novel type of compact multichannel MEMS based spectrometer, where we replace the linear detector with a Digital Micromirror Device (DMD). The DMD is typically cheaper and has better pixel sampling than an InGaAs detector used in the 1550 nm range, which leads to cost reduction and better performance. Moreover, the DMD is a 2D array, which means that multichannel systems can be implemented without any additional optical components in the spectrometer. This makes the proposed interrogator highly cost-effective. The digital nature of the DMD also provides opportunities for advanced programmable spectroscopy.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103230B (23 April 2017); doi: 10.1117/12.2264994
Show Author Affiliations
D. Ganziy, Ibsen Photonics A/S (Denmark)
DTU Fotonik (Denmark)
B. Rose, Ibsen Photonics A/S (Denmark)
O. Bang, DTU Fotonik (Denmark)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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