Coherence-controlled holographic microscope

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en

In the paper a new off-axis achromatic interferometer configuration of a digital holographic microscope is presented. The proposed configuration uses a reflective diffraction grating and ensures a high-contrast interference pattern in the output plane of the microscope using illumination of an arbitrary degree of temporal and spatial coherence. The concept of this optical system brings a significant improvement of microscope parameters, enables implementation of conventional observing techniques and is more user-friendly in comparison with the previous generation of the microscope. The functionality of the microscope has been proved experimentally.

digital holographic microscope, diffraction grating, off-axis achromatic interferometer, phase object measurement, quantitative phase contrast

2010-12-14

SPIE

9780819482365

0277-786X

Proceedings of SPIE, Volume 7746

Proceedings of SPIE

7746

77461R-1–77461R-8

8