Holography 1

[IP7-02] Multiscale profile measurement by using multi-wavelength FMCW-digital holography

*Hikaru Hamada¹, Varun Kumar¹, Masayuki Yokota¹ (1. Shimane University)

We proposed multiwavelength digital holography using the hologram multiplexing in time-frequency domain based on FMCW technique. Three holograms recorded with different wavelengths were multiplexed, and the multiwavelength unwrapping was applied to measure the step object.