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Proceedings Paper

An easy packaging hybrid optical element in grating based WDM application
Author(s): Hsiao-Chin Lan; Chao-Chia Cheng; Chih-Ming Wang; Jenq-Yang Chang
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Paper Abstract

We developed a new optical element which integrates an off-axis diffractive grating and an on-axis refractive lens surface in a prism. With this optical element, the alignment tolerance can be improved by manufacturing technology of the grating based WDM device and is practicable for mass production. An 100-GHz 16-channel DWDM device which includes this optical element has been designed. Ray tracing and beam propagation method (BPM) simulations showed good performance on the insertion loss of 2.91±0.53dB and the adjacent cross talk of 58.02dB. The tolerance discussion for this DWDM device shows that this optical element could be practically achieved by either injection molding or the hot embossing method.

Paper Details

Date Published: 30 August 2005
PDF: 7 pages
Proc. SPIE 5877, Optomechanics 2005, 587704 (30 August 2005); doi: 10.1117/12.616547
Show Author Affiliations
Hsiao-Chin Lan, National Central Univ. (Taiwan)
Chao-Chia Cheng, National Central Univ. (Taiwan)
Chih-Ming Wang, National Central Univ. (Taiwan)
Jenq-Yang Chang, National Central Univ. (Taiwan)

Published in SPIE Proceedings Vol. 5877:
Optomechanics 2005
Alson E. Hatheway, Editor(s)

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