Characterization of liquid crystal tunable filter spectral response with diverging incident light

Authors

  • Wynn Dunn Gil Dugang Improso National Institute of Physics, University of the Philippines Diliman
  • Paul Leonard Atchong C. Hilario Electrical and Electronics Engineering Institute, University of the Philippines Diliman
  • Giovanni A. Tapang National Institute of Physics, University of the Philippines Diliman

Abstract

The normalized spectral transmission of a liquid crystal tunable filter was characterized. Light was focused using a lens, and the diverging light from the focus is made incident to the LCTF. The output spectrum is measured by a spectrometer when the LCTF is set to allow a certain wavelength (λLCTF). We found that spurious transmissions are observed in wavelengths away from λLCTF, especially at higher effective NA. 

Downloads

Published

2018-05-23

How to Cite

[1]
WDGD Improso, PLAC Hilario, and GA Tapang, Characterization of liquid crystal tunable filter spectral response with diverging incident light, Proceedings of the Samahang Pisika ng Pilipinas 36, SPP-2018-2B-04 (2018). URL: https://proceedings.spp-online.org/article/view/SPP-2018-2B-04.

Issue

Section

Condensed Matter and Materials Science