Abstract

Holographic microinterferometer with the noise suppression is presented. The noise suppression method proposed consists of synchronous deflection of both beams. The method is applied on every step of the holographic process as well as during holographic interferometric investigations. A significant increase in image quality was achieved in conjunction with a parallel increase in resolution. It has been experimentally demonstrated, that the applied method can suppress the coherent noise by at least one order of magnitude, depending on the initial noise level. For the case of a high initial noise level the improvement is greater than 2 orders of magnitude.

© 1989 Optical Society of America

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