Optical Review
Print ISSN : 1340-6000
ISSN-L : 1340-6000
Visualization of a Phase Object by Two-Wave Coupling in a Photorefractive Bismuth Silicon Oxide Crystal
Yoshimasa KAWATASatoshi KAWATA
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1996 年 3 巻 2 号 p. 124-127

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We propose a method to visualize a phase object using a locally-controllable image amplification scheme we developed earlier which is based on two-wave coupling in a bismuth silicon oxide (Bi12SiO20, or BSO) crystal. In this method the BSO crystal is used as a phase plate in the configuration of Zernike's phase contrast imaging system. The principle of the phase-visualization with two-wave coupling is presented. An experimental result to verify the proposed method is shown.
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© 1996 by the Optical Society of Japan
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