Mar. 2022

Article Contents

Chinese Optics> 2022> 15(2): 364-372.

CHENG Ke, ZHU Bo-yuan, SHU Ling-yun, LIAO Sai, LIANG Meng-ting. Averaged intensity and spectral shift of partially coherent chirped optical coherence vortex lattices in biological tissue turbulence[J]. Chinese Optics, 2022, 15(2): 364-372. doi: 10.37188/CO.EN.2021-0010

Citation:

CHENG Ke, ZHU Bo-yuan, SHU Ling-yun, LIAO Sai, LIANG Meng-ting. Averaged intensity and spectral shift of partially coherent chirped optical coherence vortex lattices in biological tissue turbulence[J].Chinese Optics, 2022, 15(2): 364-372.doi:10.37188/CO.EN.2021-0010

Citation:

CHENG Ke, ZHU Bo-yuan, SHU Ling-yun, LIAO Sai, LIANG Meng-ting. Averaged intensity and spectral shift of partially coherent chirped optical coherence vortex lattices in biological tissue turbulence[J].Chinese Optics, 2022, 15(2): 364-372.doi:10.37188/CO.EN.2021-0010

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Averaged intensity and spectral shift of partially coherent chirped optical coherence vortex lattices in biological tissue turbulence

doi:10.37188/CO.EN.2021-0010

College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China

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Author Bio:
CHENG Ke (1979—), Ph.D, Professor, College of Optoelectronic Engineering, Chengdu University of Information Technology. His research interests are focused on propagation and control of High-Power Lasers. E-mail:ck@cuit.edu.cn
Corresponding author:ck@cuit.edu.cn
Received Date:17 Sep 2021
Rev Recd Date:21 Oct 2021
Accepted Date:16 Nov 2021

Available Online:16 Nov 2021

Publish Date:21 Mar 2022

Abstract

Abstract

In this paper, an averaged intensity and spectral shift of Partially Coherent Chirped Optical Coherence Vortex Lattices (PCCOCVLs) in biological tissue turbulence are investigated with emphasis on optical lattice structures in monochromatic optical fields and spectral rapid transitions in polychromatic optical fields. It is found that the beam profile evolves from annular structures with a vortex core into a periodic array of lobes with a dark zone, and finally presents a Gaussian-like pattern in biological tissue. Although lattice parameter modulates beam profile, it cannot affect the spectral behavior in biological tissue turbulence. The analysis of spectral shift also shows that a smaller distance is beneficial to spectral rapid transition where the transverse coordinate decreases with an increase in chirp parameter and a decrease in pulse duration. The accumulated turbulences over a longer distance can suppress not only spectral transition but also spectral shift. The reduction of spectral shift is accompanied by stronger biological tissue turbulence. The results have possible application in image recognition, medical devices and noninvasive optical diagnoses in biological tissue.
- optical coherence lattices,
- biological tissue turbulence,
- spectral shift,
- vortex

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References (19)

References

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