Optical signal and image amplification studies in dye-doped nematic liquid crystal E7

Authors

Jacque Lynn F. Gabayno National Institute of Physics, University of the Philippines Diliman
Nathaniel P. Hermosa II National Institute of Physics, University of the Philippines Diliman
Marlon Rosendo H. Daza National Institute of Physics, University of the Philippines Diliman

Abstract

This paper reports optical signal and image amplification in 75 μm thick samples of methyl red-doped nematic liquid crystals via the two beam coupling technique. Optical signal amplification is investigated for different angular separation (α) between pump and signal beams, pump-signal ratio (PSR), pump power, and dye concentration. Maximum signal amplifications of 19X, 13X, 63X, and 90X have been obtained for dye concentrations of 0.2%, 0.4%, 0.6%, and 0.8%, respectively. A novel application of our set-up and material is realized in amplifying images. Image amplification of 3X and 1.4X is gained for 9 mW and 30 mW pump power, respectively for α of 0.95° and PSR of 330 in the 0.8% by weight sample.

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Issue

2002: Proceedings of the 20th Samahang Pisika ng Pilipinas Physics Congress

Article ID

SPP-2002-3F-04

Section

Condensed Matter and Plasma Physics

Published

2002-10-23

How to Cite

[1]

JLF Gabayno, NP Hermosa, and MRH Daza, Optical signal and image amplification studies in dye-doped nematic liquid crystal E7, Proceedings of the Samahang Pisika ng Pilipinas 20, SPP-2002-3F-04 (2002). URL: https://proceedings.spp-online.org/article/view/SPP-2002-3F-04.