Removal of the diffraction halo effect in speckle photography by using a negative mask

Removal of the diffraction halo effect in speckle photography by using a negative mask

A method to neutralize the diffraction halo effect in speckle photography is presented. A negative of the halo is used in the fringe observation plane to achieve this goal. Experimental irradiance distributions as well as Young's fringes with and without the negative mask are presented. It is s...

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Veröffentlicht in:Optics letters 1992-08, Vol.17 (15), p.1046-1048
Hauptverfasser: VIKRAM, C. S, GANESAN, A. R
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Sprache:eng
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Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Imaging and optical processing
Optics
Physics
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container_end_page 1048
container_issue 15
container_start_page 1046
container_title Optics letters
container_volume 17
creator VIKRAM, C. S
GANESAN, A. R
description A method to neutralize the diffraction halo effect in speckle photography is presented. A negative of the halo is used in the fringe observation plane to achieve this goal. Experimental irradiance distributions as well as Young's fringes with and without the negative mask are presented. It is shown that the apodization procedure is effective in solving the problems caused by varying the diffraction halo irradiance.
doi_str_mv 10.1364/OL.17.001046
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source Optica Publishing Group Journals
subjects Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Imaging and optical processing
Optics
Physics
title Removal of the diffraction halo effect in speckle photography by using a negative mask
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