Calibration along the depth direction in tomographic digital holography

S. Tani; Y. Tanaka; S. Murata

doi:10.1117/12.2268705

20 February 2017 Calibration along the depth direction in tomographic digital holography

S. Tani, Y. Tanaka, S. Murata

Proceedings Volume 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics; 103280J (2017) https://doi.org/10.1117/12.2268705
Event: 31st International Congress on High-Speed Imaging and Photonics, 2016, Osaka, Japan

Abstract

This paper proposed the detection method for the depth position of a dot to calibrate along the depth direction of two cameras, which is performed with obtaining the reconstruction distances to match the reconstructed volumes at each camera. We determined the reconstruction distance of each camera by using the dot-array plate and the proposed detection method of a dot. The reconstruction distance is calculated as the position that the variance of the real and the imaginary part of dots becomes a minimum value. We investigate the effect of dot spacing in the dot-array plate by comparing the error between the calculated distance and the true distance in numerical simulation. In addition, the effect of this method is also experimentally confirmed.

Citation Download Citation

S. Tani, Y. Tanaka, and S. Murata "Calibration along the depth direction in tomographic digital holography", Proc. SPIE 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics, 103280J (20 February 2017); https://doi.org/10.1117/12.2268705

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