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Proceedings Paper

Design and analysis of dual-resonant filters in visible and infra-red region based on polymer LPWG
Author(s): Mukesh Sharma; Aniruddha Singh Kushwaha; Suchandan Pal
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Paper Abstract

Long-period waveguide gratings (LPWGs), by using a SU-8 polymer-based channel waveguide along with NOA61 optical epoxy coated upper- and lower-cladding, are designed and theoretical analyzed. Grating period of ~ 68μm is considered with optimized grating tooth-heights, so that the transmission spectra of the gratings show strong rejection bands both at visible (450 – 460 nm) and infrared (1530 – 1540 nm) wavelength regions. Phase-matching graphs are studied in order to observe the change in resonance wavelength of the grating with the variation of waveguide parameters. LPWG-based band pass filter are also designed and analyzed by considering the same set of polymer materials. Further, temperature sensitivity of these LPWGs is analyzed theoretically. These types of waveguide gratingbased filters can widely be used for visible and infrared wavelength sensing applications.

Paper Details

Date Published: 28 January 2013
PDF: 5 pages
Proc. SPIE 8760, International Conference on Communication and Electronics System Design, 876013 (28 January 2013); doi: 10.1117/12.2012112
Show Author Affiliations
Mukesh Sharma, CSIR - Central Electronics Engineering Research Institute (India)
Aniruddha Singh Kushwaha, CSIR - Central Electronics Engineering Research Institute (India)
Suchandan Pal, CSIR - Central Electronics Engineering Research Institute (India)


Published in SPIE Proceedings Vol. 8760:
International Conference on Communication and Electronics System Design
Vijay Janyani; M. Salim; K. K. Sharma, Editor(s)

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