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15 November 2018 Analysis and application of vortex optical characteristics based on Michelson interference
Song Qiu, Yan Lin, Chen Wang, Zhimeng Li, Tong Liu, Qiongling Shao, Yuan Ren
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Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109645U (2018) https://doi.org/10.1117/12.2506442
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China
Abstract
The vortex light containing orbital angular momentum (OAM) has important application prospects in precision measurement, micro particle manipulation and basic physics. Because the Poynting vector of the vortex wave is not in line with the direction of the optical axis, more information is contained in the echo than the ordinary electromagnetic wave, so it has a unique advantage in the detection of unknown object. The wave propagation characteristics of the vortex beam are modeled and analyzed. Based on the Michelson interference principle, a new type of vortex light interference scheme is designed. The measurement scheme of the wavelength of the vortex light is proposed and the experimental verification is carried out. On this basis, a new method for detecting non-cooperative targets in space is proposed and analyzed theoretically. It provides a new way for measuring angular velocity of objects by vortex optics, and lays a good foundation for remote sensing of non-cooperative targets in actual demand in the future.
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Song Qiu, Yan Lin, Chen Wang, Zhimeng Li, Tong Liu, Qiongling Shao, and Yuan Ren "Analysis and application of vortex optical characteristics based on Michelson interference", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109645U (15 November 2018); https://doi.org/10.1117/12.2506442
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KEYWORDS
Electromagnetic radiation
Light wave propagation
Wave propagation interference
Beam splitters
Doppler effect
Target detection
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