Detection of condensed vapours and their refractive indices using photorefractive crystals

Vladislav Matusevich; Katsiaryna Pismennaya; Armin Kiessling; Richard Kowarschik

doi:10.1117/12.545144

1 September 2004 Detection of condensed vapours and their refractive indices using photorefractive crystals

Vladislav Matusevich, Katsiaryna Pismennaya, Armin Kiessling, Richard Kowarschik

Proceedings Volume 5459, Optical Sensing; (2004) https://doi.org/10.1117/12.545144
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We present an experimental set-up for the optical detection of condensed vapours or liquids and their refractive indices using photorefractive crystals (e. g. Barium-Calcium-Titanate or Barium-Titanate). Hereby we use a self-pumped phase conjugating mirror along with the effect of total reflection. The modulation of the signal beam in order to avoid background illumination is not necessary due to the phase-conjugated reflection. The detection of different condensed vapours or liquids and their refractive indices is possible by the variation of the input angle of the signal beam.

Citation Download Citation

Vladislav Matusevich, Katsiaryna Pismennaya, Armin Kiessling, and Richard Kowarschik "Detection of condensed vapours and their refractive indices using photorefractive crystals", Proc. SPIE 5459, Optical Sensing, (1 September 2004); https://doi.org/10.1117/12.545144

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