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Proceedings Paper

Highly effective dynamic holographic gratings in doped bismuth titanate crystals and applications to metrology
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Paper Abstract

Highly efficient volume reflective, dynamical holographic gratings in doped Ti12TiO20 crystals have been observed. We demonstrated doped Ti12TiO20 single, electro-optical crystal and experimental set up, which combines high reversibility, small response time, high diffraction efficiency and practically unlimited number of cycles hologram recording, readout and erasing. It allows using doped Ti12TiO20 crystal as an attractive diffractive optical element in Dynamical Holographic Sensor -DHS for metrology applications. The high image contrast of the real time dynamical holographic interferograms without application of external electric field has been obtained for non transparent diffuse reflective objects using commercial available CW He-Ne laser. DHS applications for nondestructive test of the most vital parts engineering constructions to prevent premature failure have has been demonstrated. DHS application for visualization of cryogenic fields in the near zone of cryoultrasonic cancer tissue destructor has been presented.

Paper Details

Date Published: 19 May 2009
PDF: 10 pages
Proc. SPIE 7358, Holography: Advances and Modern Trends, 73580P (19 May 2009); doi: 10.1117/12.820529
Show Author Affiliations
George E. Dovgalenko, ITT Technical Institute (United States)
Ying Wu, Shanghai Jing Na Luo Décor Design Engineering Co. (China)

Published in SPIE Proceedings Vol. 7358:
Holography: Advances and Modern Trends
Miroslav Miler; Miroslav Hrabovský, Editor(s)

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