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Proceedings Article

Liquid crystal tunable filters and polarization controllers for biomedical optical imaging

[+] Author Affiliations
Ofir Aharon, Avner Safrani, Riki Moses, I. Abdulhalim

Ben-Gurion Univ. of the Negev (Israel)

Proc. SPIE 7050, Liquid Crystals XII, 70500P (August 28, 2008); doi:10.1117/12.795388
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From Conference Volume 7050

  • Liquid Crystals XII
  • Iam Choon Khoo
  • San Diego, CA | August 10, 2008

abstract

Liquid crystal (LC) devices exhibit fast and strong tuning and switching capabilities using small voltages and can be miniaturized thus have a great potential to be used with miniature optical imaging systems for biomedical applications. LC devices designed specifically for integration into biomedical optical imaging systems are presented. Using a combination of one or two LC retarders we obtained polarimetric imaging of the skin. LC tunable filters with high dynamic range and large throughput are designed for hyperspectral imaging and for spectral domain optical coherence tomography. The designs are based on several concepts both using the classical stack of retarders and using more modern designs based on single layer in a waveguide or in a Fabry-Perot cavity.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Ofir Aharon ; Avner Safrani ; Riki Moses and I. Abdulhalim
"Liquid crystal tunable filters and polarization controllers for biomedical optical imaging", Proc. SPIE 7050, Liquid Crystals XII, 70500P (August 28, 2008); doi:10.1117/12.795388; http://dx.doi.org/10.1117/12.795388


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