Real-time holography via DFWM in thin liquid crystal films and thin photorefractive materials

Vladimir B. Fleurov; Denise Brown-Anderson; Paul Carroll; Christopher M. Lawson

doi:10.1117/12.284159

10 October 1997 Real-time holography via DFWM in thin liquid crystal films and thin photorefractive materials

Vladimir B. Fleurov, Denise Brown-Anderson, Paul Carroll, Christopher M. Lawson

Author Affiliations +

Proceedings Volume 3146, Nonlinear Optical Liquids and Power Limiters; (1997) https://doi.org/10.1117/12.284159
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

We describe a coherence filtering technique in the near infrared (IR) based on degenerate four wave mixing (DFWM) in a Barium Titanate photorefractive crystal and a dye-doped liquid crystal layer. in our experiments, we used a self modelocked Ti:Sapphire laser and a Q-switched alexandrite laser as light sources. This technique can be used to provide instantaneous, single-shot, two-dimensional images ofthe internal structure ofmaterials versus depth.

Citation Download Citation

Vladimir B. Fleurov, Denise Brown-Anderson, Paul Carroll, and Christopher M. Lawson "Real-time holography via DFWM in thin liquid crystal films and thin photorefractive materials", Proc. SPIE 3146, Nonlinear Optical Liquids and Power Limiters, (10 October 1997); https://doi.org/10.1117/12.284159

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