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Proceedings Paper

Photothermal Zernike filter
Author(s): E. L. Bubis
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Paper Abstract

Basic characteristics of visualization process of transparent objects are analyzed and calculated when phase-contrast technique with photothermal Zernike cell is employed. Edge enhancement effect is observed under the conditions, when sizes of illuminating beam and investigated object are comparable. It is demonstrated that the visualization process has a resolution close to the diffraction one. Numerical results of the visualization process in a scheme with photothermal cell are compared to the results obtained in the same schemes with Zernike cell based on local Kerr nonlinearity and with traditional linear Zernike plate.

Paper Details

Date Published: 27 July 2007
PDF: 10 pages
Proc. SPIE 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena, 67292B (27 July 2007); doi: 10.1117/12.751874
Show Author Affiliations
E. L. Bubis, Institute of Applied Physics (Russia)


Published in SPIE Proceedings Vol. 6729:
ICONO 2007: Coherent and Nonlinear Optical Phenomena

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