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30 August 2005 An easy packaging hybrid optical element in grating based WDM application
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Proceedings Volume 5877, Optomechanics 2005; 587704 (2005)
Event: Optics and Photonics 2005, 2005, San Diego, California, United States
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.
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Hsiao-Chin Lan, Chao-Chia Cheng, Chih-Ming Wang, and Jenq-Yang Chang "An easy packaging hybrid optical element in grating based WDM application", Proc. SPIE 5877, Optomechanics 2005, 587704 (30 August 2005);

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