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Conferences > JSAPO > 2022 > IP > 21a_C205_3
  • JSAP-Optica Joint Symposia 2022 Abstracts
  • (Optica Publishing Group, 2022),
  • paper 21a_C205_3

Reduction of Periodic Noise Superimposed on the Surface Profile Obtained by Two-Wavelength FMCW-Digital Holography

Hikaru Hamada and Masayuki Yokota

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Abstract

Digital holography (DH) with two-wavelength method has been applied for the shape profile measurement of objects having rough surfaces. To conduct two-wavelength method in digital holography, it is necessary to record holograms by using two different wavelengths of light sources [1]. To fulfill the method, we have proposed Two- Wavelength FMCW-DH (TW-FMCW-DH) for wavelength multiplexing in the time-frequency domain.

© 2022 Japan Society of Applied Physics, Optica Publishing Group

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