Rapid and Precise Wavelength Determination Approach Based on Visually Patterned Integrated Narrow Bandpass Filters

  • Zhiyi Xuan*
  • , Ying Zhi
  • , Shaowei Wang
  • , Yi Zhang
  • , Yuanliao Zheng
  • , Junyu Li
  • , Feng Liu
  • , Yiqun Xie
  • , Yuwei Chen
  • , Wangzhou Shi
  • , Fei Yi
  • , Wei Lu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We report a rapid and precise spectral determination approach based on visually patterned integrated narrow bandpass filters. The wavelength of light can be determined accurately even by naked eyes in the aid of the device. The experimental results show that both the light with single wavelength and a spectral range can be distinguished rapidly and precisely by naked eyes with spectral resolution higher than 7 nm, which can be even higher than 1 nm with the intended design. It is a very robust and stable way to keep the filtering wavelengths constant and remarkably improves the stability superior to conventional methods. It can be used for high-throughput identification of light source and food safety detection related applications.

Original languageEnglish
Article number4900307
JournalIEEE Photonics Journal
Volume11
Issue number1
DOIs
StatePublished - Feb 2019
Externally publishedYes

Keywords

  • Integrated optics devices
  • Optical devices
  • Wavelength filtering devices
  • microstructure fabrication

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