Resonant wavelength shift detection system based on a gradient grating period guided-mode resonance filter

Chih Wei Chang, Shi Ting Chen, Yen Chieh Wang, Cheng-Sheng Huang*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A resonant wavelength detection system based on a gradient grating period guided-mode resonance (GGP-GMR) filter and a linear charge-coupled device is demonstrated. The GGP-GMR used in this work consists of a subwavelength grating structure with a grating period varying from 250-550 nm in increments of 2 nm. We successfully demonstrate that by using this system, we can monitor the shift in a biosensor's dip wavelength caused by different sucrose concentrations. This technology has the potential to replace a bulky and expensive spectrometer used in most optical biosensor systems. Given its compactness, the system can be integrated with lab-on-A-chip systems for numerous biosensing applications.

Original languageEnglish
Title of host publicationPhotonic Fiber and Crystal Devices
Subtitle of host publicationAdvances in Materials and Innovations in Device Applications XII
EditorsShizhuo Yin, Ruyan Guo
PublisherSPIE
ISBN (Electronic)9781510620810
DOIs
StatePublished - 1 Jan 2018
EventPhotonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XII 2018 - San Diego, United States
Duration: 19 Aug 201820 Aug 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10755
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferencePhotonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XII 2018
CountryUnited States
CitySan Diego
Period19/08/1820/08/18

Keywords

  • Gratings
  • Optical sensing and sensors.
  • Spectrometers and spectroscopic instrumentation
  • Subwavelength structures

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