Effects of Kolmogorov turbulence on optical cavity spectral response

Merlin L. Mah; Joseph J. Talghader

doi:10.1364/ao.424293

Effects of Kolmogorov turbulence on optical cavity spectral response

Merlin L. Mah, Joseph J. Talghader

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An aberrated wavefront incident upon an optical resonator will excite higher order spatial modes in the cavity, and the spectral width and distribution of these modes are indicative of the type and magnitude of the aberration. We apply this concept to atmospheric turbulence modeled by the Kolmogorov distribution. The spectral widths of the cavity transmission spectra are demonstrated via simulations to correspond to the structure constant that characterizes the variation in the optical index of refraction and thus the turbulence strength. Such a relationship can be harnessed to build a sensor for simply and quickly assessing optical turbulence strength.

Original language	English (US)
Pages (from-to)	5488-5495
Number of pages	8
Journal	Applied Optics
Volume	60
Issue number	19
DOIs	https://doi.org/10.1364/ao.424293
State	Published - Jul 1 2021

Bibliographical note

Funding Information:
Acknowledgment. The authors thank Drs. Joseph Peñano and Albert Ogloza for their guidance. This work was supported by the Joint Directed Energy Transition Office (DE-JTO) and the Office of Naval Research. The authors acknowledge the Minnesota Supercomputing Institute (MSI) at the University of Minnesota for providing the high-performance computing resources on which these simulations were run.

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© 2021 Optical Society of

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abstract = "An aberrated wavefront incident upon an optical resonator will excite higher order spatial modes in the cavity, and the spectral width and distribution of these modes are indicative of the type and magnitude of the aberration. We apply this concept to atmospheric turbulence modeled by the Kolmogorov distribution. The spectral widths of the cavity transmission spectra are demonstrated via simulations to correspond to the structure constant that characterizes the variation in the optical index of refraction and thus the turbulence strength. Such a relationship can be harnessed to build a sensor for simply and quickly assessing optical turbulence strength.",

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Effects of Kolmogorov turbulence on optical cavity spectral response

Abstract

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