Abstract
We present a detailed theory and quantitative experimental results on the transverse intensity distribution of a laser beam after its passage through a thin film possessing an intensity-dependent refractive index (i.e., n = n0 + n2Iop). Optical feedback is provided by imaging the output onto the film using a partially reflecting mirror, as depicted in Fig. TuEE5-l. Fundamentally, this is a new form of intrinsic optical bistability since it deals with the transverse as opposed to the usual Fabry-Perot-like longitudinal intensity bistability; also it does not involve a cavity.
© 1984 Optical Society of America
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