Nonscan spatial heterodyne holographic spectroscopy

Weimin Shen; Linsen Chen; Huajian Gu; Qing Sun; Anzhi He

doi:10.1117/12.318474

4 August 1998 Nonscan spatial heterodyne holographic spectroscopy

Weimin Shen, Linsen Chen, Huajian Gu, Qing Sun, Anzhi He

Proceedings Volume 3559, Holographic Displays and Optical Elements II; (1998) https://doi.org/10.1117/12.318474
Event: Photonics China '98, 1998, Beijing, China

Abstract

Non-scan holographic spectroscopy is a novel type of Fourier transform spectroscopy (FTS) which frequency modulation is implemented spatially. By the analysis of the general model of the interference of two pre-dispersing beams, it is found first time to our knowledge that the spectral resolving power of the non-scan FTS is determined by the spectral resolving power of these two coherent beams and the fringe number recorded and used for reconstruction of spectrum. As a special case, the spatial heterodyne technique with diffraction gratings used as the pre-dispersers of the coherent beams is stressed and investigated. It is shown that the symmetrical aliasing between the two side spectral regions of the harmonic spectral component can be eliminated with a 2D Fourier transform. The optical experimental results that are agreement with theoretical analyses are given.

Citation Download Citation

Weimin Shen, Linsen Chen, Huajian Gu, Qing Sun, and Anzhi He "Nonscan spatial heterodyne holographic spectroscopy", Proc. SPIE 3559, Holographic Displays and Optical Elements II, (4 August 1998); https://doi.org/10.1117/12.318474

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