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Conferences > DH > 2019 > Tu4B > Tu4B.3

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

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

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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 height measurements despite axial motion of 14 wavelengths.

© 2019 The Author(s)

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