Investigation of three-beam interference fringes with controllable phase shift of two reference waves

Maxim A. Volynsky; Igor P. Gurov

doi:10.1117/12.860746

2 August 2010 Investigation of three-beam interference fringes with controllable phase shift of two reference waves

Maxim A. Volynsky, Igor P. Gurov

Proceedings Volume 7790, Interferometry XV: Techniques and Analysis; 779015 (2010) https://doi.org/10.1117/12.860746
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

Visibility of interference fringes, as known, is defined by the ratio of intensities of measuring and reference waves. In interferometric measurements, intensity of measuring wave depends on reflection coefficient of an object under test. The difference between the intensities of reference and measuring waves causes visibility decrease of interference fringes. In the present paper, a possibility of controlling the fringe visibility by introducing two reference waves with mutual phase shift between them is considered for the cases of monochromatic and broadband light sources.

Citation Download Citation

Maxim A. Volynsky and Igor P. Gurov "Investigation of three-beam interference fringes with controllable phase shift of two reference waves", Proc. SPIE 7790, Interferometry XV: Techniques and Analysis, 779015 (2 August 2010); https://doi.org/10.1117/12.860746

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