Resonantly enhanced degenerate four-wave mixing at 10.6 um in poly(methyl methacrylate) doped with different dyes

Abdalla M. Darwish; Tommy Thompson; Mostafa Dokhanian; Alton Williams

doi:10.1117/12.326870

9 October 1998 Resonantly enhanced degenerate four-wave mixing at 10.6 μm in poly(methyl methacrylate) doped with different dyes

Abdalla M. Darwish, Tommy Thompson, Mostafa Dokhanian, Alton Williams

Author Affiliations +

Proceedings Volume 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV; (1998) https://doi.org/10.1117/12.326870
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A resonant enhanced phase-conjugate from poly polymer doped with DCM, and Sulforhodamine was observed using the 10P20 CO₂ laser line. The effect of the dye concentration on the phase conjugate reflection coefficient was observed and was found to have an optimum value. The Z-Scan experiment was carried out and (chi) ³ was determined. As, the Z-scan offers a practical method to determine the sign and magnitude of refractive nonlinearities that offers simplicity as well as high sensitivities. The magnitude of refractive nonlinearities was compared from both Z-Scan and DFWM and was found to be in a close agreement. To our knowledge this is the first time PC signal to be observed from PMMA:DCM at 10 micrometers . Also, FTIR was performed for these samples and will be reported as well.

Citation Download Citation

Abdalla M. Darwish, Tommy Thompson, Mostafa Dokhanian, and Alton Williams "Resonantly enhanced degenerate four-wave mixing at 10.6 μm in poly(methyl methacrylate) doped with different dyes", Proc. SPIE 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV, (9 October 1998); https://doi.org/10.1117/12.326870

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