Title :
Probe beam amplification via two- and four-wave mixings in a nematic liquid crystal film
Author :
Khoo, Iam-Choon ; Liu, T.H.
Author_Institution :
Department of Electrical Engineering, The Pennsylvania State University, University Park, PA
fDate :
2/1/1987 12:00:00 AM
Abstract :
We have observed very large probe beam gain (up to 600 percent) in a thin film (100 μm) of nematic liquid crystal for a low pump beam intensity on the order of 2 W/cm2. The effect is nonlinearly dependent on the pump intensity and the wave mixing angle.
Keywords :
Liquid crystal materials/devices; Optical amplifiers; Optical mixers; Four-wave mixing; Laser excitation; Liquid crystals; Nonlinear optics; Optical films; Optical mixing; Optical pumping; Optical refraction; Optical variables control; Probes;
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.1987.1073319