Theoretical analysis of the switching efficiency of a grating-based laser beam modulator

Ramachandran, V

doi:10.1088/0022-3727/18/8/014

J. Phys. D: Appl. Phys.

1985

DOI: 10.1088/0022-3727/18/8/014

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Theoretical analysis of the switching efficiency of a grating-based laser beam modulator

V Ramachandran¹

Abstract: A theoretical interpretation of the digital beam deflection efficiency of an electro-optic modulator is described. Calculated switching voltages are in good agreement with the experimentally observed values. The computed percentage efficiencies at three successive positions are 57, 48 and 43.

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1989

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Double-exposure interferometric measurements for determining phase changes produced by transparent media

Ramachandran¹

1989

J. Phys. D: Appl. Phys.

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A simple experiment to record phase changes produced by transparent objects using holographic double-exposure interferometry is described. An ordinary white light source is used to analyse the fringes on the photographic plate of the double-exposure interferogram. A theory is developed to estimate the phase shift between the two object waves without reconstructing the object and it agrees well with the experimental observations.

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Double-exposure interferometric measurements for determining phase changes produced by transparent media

Ramachandran¹

1989

J. Phys. D: Appl. Phys.

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Theoretical analysis of the switching efficiency of a grating-based laser beam modulator

Cited by 1 publication

References 10 publications

Double-exposure interferometric measurements for determining phase changes produced by transparent media

Double-exposure interferometric measurements for determining phase changes produced by transparent media

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