LOW-POWER CONJUGATE INTERFEROMETRY (DOUBLE-EXPOSURE) IN DYE-DOPED GELATIN FILM USING OPTICAL PHASE-CONJUGATION

Author:

GEETHAKRISHNAN T.1,PALANISAMY P. K.1

Affiliation:

1. Centre for Laser Technology, Department of Physics, Anna University, Chennai – 600 025, India

Abstract

Optical phase-conjugation (OPC) was observed in Acid blue 9 dye-doped gelatin via degenerate four-wave mixing (DFWM) using a low-power He-Ne laser at 633 nm. Phase-conjugate (PC) signal measurements were made by varying the angle of incidence between the forward-pump beam and the probe beam in the degenerate four-wave mixing geometry. Growth of phase-conjugate signal with respect to the recording time was also measured. Finally double-exposure phase-conjugate interferometry was demonstrated in these dye doped gelatin films.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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