Hologram recordings in dichromated dye-colloids solid films at 442 nm

Jean J.A. Couture

doi:10.1117/12.139181

14 January 1993 Hologram recordings in dichromated dye-colloids solid films at 442 nm

Jean J.A. Couture

Proceedings Volume 1774, Nonconducting Photopolymers and Applications; (1993) https://doi.org/10.1117/12.139181
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

In complex optical arrangements many holographic optical elements (HOEs) play a key role in the optical processing and optical computing fields as well as in non-destructive holographic testing works. The fabrication of such linear and nonlinear HOEs require high quality recording films; in the search of such a recording material we studied dichromated colloids systems like dichromated polyvinyl alcohol films (DC-PVAL). Those films gave holograms having a maximum diffraction efficiency value (MDE) of 18% at 488 nm; at 442 nm, we obtained MDE values between 50% and 60%. When adding a dye, rosa bengal, the MDE value reached 79% for specific conditions. All of those results were obtained in real-time holography and the recording films were free of any chemical development. In the present work we introduce many results on hologram recordings in dichromated dye-casein films at 442 nm; those results are compared with others works on DC-PVAL films. Also, the knowledge of characteristic properties of such DC-dye casein films permits us to focus on `how they are usable in modern engineering applications. '

Citation Download Citation

Jean J.A. Couture "Hologram recordings in dichromated dye-colloids solid films at 442 nm", Proc. SPIE 1774, Nonconducting Photopolymers and Applications, (14 January 1993); https://doi.org/10.1117/12.139181

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