Photothermal Zernike filter

E. L. Bubis

doi:10.1117/12.751874

27 July 2007 Photothermal Zernike filter

E. L. Bubis

Proceedings Volume 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena; 67292B (2007) https://doi.org/10.1117/12.751874
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

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.

Citation Download Citation

E. L. Bubis "Photothermal Zernike filter", Proc. SPIE 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena, 67292B (27 July 2007); https://doi.org/10.1117/12.751874

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