Scattering of laser by ablation particles in hypersonic plasma flow
Laser communication has potential to solve the communication blackout problem during hypersonic flight of reentry capsule or hypersonic vehicles. The influence of ablation particles from thermal protection materials of the vehicles is an important factor for the laser communication design. This paper firstly estimates the basic parameters of ablation particles from previous experimental reports. On this basis, attenuation by Mie and Debye scattering is calculated. It is indicated that the attenuation caused by Debye scattering is far less than 1. And the attenuation by Mie scattering is obvious when the particle number density exceeds 10<sup>4</sup> /cm<sup>3</sup>. From the results in this paper, 5 dB redundancy corresponding to the influence of ablation particles is suggested for the laser communication system design.
Authors
- Hao Zhang (ORCID: https://orcid.org/0000-0001-6401-3845)
- Qing Zang (ORCID: https://orcid.org/0000-0001-9876-1948)
- Hongyan Shi (ORCID: https://orcid.org/0000-0002-6562-3597)
- Chunheng Liu (ORCID: https://orcid.org/0000-0002-2340-9859)
- Jiduo Dong
- Lirong Zhang (ORCID: https://orcid.org/0000-0001-7466-1029)
- Yang Liu (ORCID: https://orcid.org/0000-0002-5649-9483)
- Binbin Wei
Institutions
- Harbin Institute of Technology (CN)
- PLA Academy of Military Science (CN)
Publication Details
- Published
- 2025-02-20
- DOI
- https://doi.org/10.1117/12.3055668
- Primary Topic
- Laser-induced spectroscopy and plasma
- Type
- article
- Field-Weighted Citation Impact
- 0.00