Modified pupil set-based resolution enhancement of optical scanning holographic system

Sheeja M. K.; Meril Cyriac; Kanjana G.; Leena Thomas; Nelwin Raj N. R.

doi:10.1117/12.2522841

23 April 2019 Modified pupil set-based resolution enhancement of optical scanning holographic system

Sheeja M. K., Meril Cyriac, Kanjana G., Leena Thomas, Nelwin Raj N. R.

Proceedings Volume 11030, Holography: Advances and Modern Trends VI; 1103010 (2019) https://doi.org/10.1117/12.2522841
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

Optical Scanning Holography (OSH) is a technique that records the three-dimensional information of an object through optical heterodyne scanning. This system has two pupils which enhances processing power and spatial filtering capabilities. Analysis of proposed OSH system in this paper includes two configurations of pupil pairs. In the first case, one pupil is a pulse, and the other is a Gaussian function. The OSH system analyses the adoption of a random phase and Gaussian pupil in the latter case. In the proposed system, the optical transfer function of the recording and reconstruction stages is found out. Subjective evaluation of the optical transfer function is investigated in terms of resolution. Simulations are performed for different parameters of the Gaussian function, various random distributions of the random phase pupil and for other objects. These results can be used with sectioning applications.

Conference Presentation

Citation Download Citation

Sheeja M. K., Meril Cyriac, Kanjana G., Leena Thomas, and Nelwin Raj N. R. "Modified pupil set-based resolution enhancement of optical scanning holographic system ", Proc. SPIE 11030, Holography: Advances and Modern Trends VI, 1103010 (23 April 2019); https://doi.org/10.1117/12.2522841

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