期刊
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
卷 39, 期 2, 页码 A79-A85出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAA.444375
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资金
- Russian Foundation for Basic Research [20-58-18007]
- Bulgarian National Science Fund [KP-06-Russia/7]
We present a wavelength-multiplexed digital holographic imaging technique that utilizes simultaneous Bragg diffraction of wideband light by ultrasound waves of different frequencies in crystalline media. This technique is easy to implement and applicable in various digital holography schemes. It allows for single-shot acquisition of multiple spectral fringe patterns using a single monochrome sensor and enables wavelength demultiplexing of the resulting interferogram.
We report on wavelength-multiplexed digital holographic imaging based on simultaneous Bragg diffraction of wideband light by several ultrasound waves of different frequencies in crystalline media. This technique is easy to implement, avoids spectral scanning, and is applicable in various digital holography schemes. It also enables single-shot acquisition of a few spectral fringe patterns by a single monochrome sensor and wavelength demultiplexing of the resulting interferogram. We have assembled a Mach-Zehnder interferometer with an acousto-optical tunable filter operating in the multifrequency mode and have validated the proposed technique by dual-, three-, and four-wavelength quantitative phase imaging of the test samples. (C) 2022 Optica Publishing Group
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