Physics:Rytov number
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Short description: Fundamental scaling parameter for laser propagation through atmospheric turbulence
The Rytov number is a fundamental scaling parameter for laser propagation through atmospheric turbulence.[1] Rytov numbers greater than 0.2 are generally considered to be strong scintillation.[2] A Rytov number of 0 would indicate no turbulence, thus no scintillation of the beam.
References
- ↑ Ghalaii, M.; Pirandola, S. (2022). "Quantum communications in a moderate-to-strong turbulent space". Communications Physics (Nature Portfolio) 5 (38). doi:10.1038/s42005-022-00814-5. https://www.nature.com/articles/s42005-022-00814-5. Retrieved 3 June 2025. "Physically, the Rytov number, or Rytov variance, is a measure of the strength of light scintillations—fluctuations in received irradiance, or in the phase and amplitude of the light, resulting from propagation through a turbulent space.".
- ↑ Fan, Chengyu; Wang, Yingjian; Gong, Zhiben (5 September 2002). "Evaluation of the performance of an adaptive optics system in strong scintillation". Proceedings of SPIE 4926. doi:10.1117/12.481669. https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4926/0000/Evaluation-of-the-performance-of-an-adaptive-optics-system-in/10.1117/12.481669.short. Retrieved 3 June 2025.
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