Multiwavelength Holography: Height Measurements Despite Axial Motion of Several Wavelengths During Exposure

Schiller, Annelie
Beckmann, Tobias
Fratz, Markus
Bertz, Alexander
Carl, Daniel
Buse, Karsten

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Publication date

January 2019

DOI

10.1364/DH.2019.Tu4B.3

Publisher

The Optical Society

Abstract

In a typical interferometer, axial motion of half a wavelength reduces the contrast to zero. Our setup compensates this component of motion utilizing a piezoelectric actuator, demonstrating heigth measurements despite axial motion of 14 wavelengths

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Multiwavelength Holography: Height Measurements Despite Axial Motion of Several Wavelengths During Exposure

Abstract

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Multiwavelength Holography: Height Measurements Despite Axial Motion of Several Wavelengths During Exposure

Abstract

Extracted data

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