Dispersion of Rayleigh Scattering with a Multi-Prism Atomic Vapor Cell

A Rekhy, BS Leonov, A Abbasszadehrad… - AIAA AVIATION 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3112. vid The dispersion effects
caused by refractive index gradients of atomic vapors such as mercury, rubidium, cesium …

Fast approximations of spectral lineshapes to enable optimization of a filtered Rayleigh scattering experiment

GJ Hunt, CR Ground, RL Hunt - Measurement Science and …, 2020 - iopscience.iop.org
Measuring the properties of scattered light is central to many laser-based gas diagnostic
techniques, such as filtered Rayleigh scattering (FRS). Alongside the measurements, a …

Experimental Demonstration of Dispersion of Rayleigh Brillouin Scattering from Air with an Atomic Cesium Vapor Prism Cell

A Rekhy, BS Leonov, A Abbasszadehrad… - AIAA AVIATION 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3365. vid In this work, we
demonstrate a new high throughput, high resolution spectroscopic technique based on …

High-resolution spectroscopy of liquid water with dispersive atomic vapor prism cell

BS Leonov, RT Randolph, A Rekhy, A Dogariu… - Optics …, 2024 - opg.optica.org
This article presents an experimental demonstration of a spectroscopic method based on the
dispersion of the scattering spectrum from laser-illuminated liquid water collected through a …

Ultraviolet (UV) Laser Implementation and Measurement Sensitivities in Filtered Rayleigh Scattering for Aerodynamic Flows

G Pitt, T Lowe - AIAA AVIATION 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-4381. vid Filtered Rayleigh
scattering (FRS) is a non-intrusive, seedless, optical measurement technique that provides …

LIDAR requirements and approaches for transcontinental supersonic flight

A Rekhy, M Shneider, RB Miles - Aiaa Aviation 2020 Forum, 2020 - arc.aiaa.org
The aim of this paper is to propose and investigate a dispersion filter approach similar to
high spectral resolution lidar but for instantaneous measurements of temperature and wind …

Thomson and Rayleigh-Brillouin Scattering Lineshape Collected from a Large Solid Angle: A Numerical Study

A Abbasszadehrad, A Rekhy, RB Miles - AIAA AVIATION 2021 FORUM, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3113. vid In this study, we examine
the effect of finite solid angle collection on the integrated lineshape of Thomson and …

Temperature Measurements in Air Using an Atomic Vapor Based Dispersion Filter

RT Randolph, E Finberg, R Ayanampudi… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
Discrimination of various types of light scattering such as Mie, Rayleigh and Raman is
important in remote sensing applications when deriving properties of the scattering medium …

Filtered Rayleigh Scattering and Dispersion Filters in between 380 to 420 nm for Atmospheric Temperature Profiling

A Rekhy, MN Shneider, RB Miles - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
The use of ultra violet LIDAR for look-down atmospheric profiling is attractive because of the
increased Rayleigh cross section and reduced retinal eye hazard compared to conventional …

Slow Light Imaging Spectroscopy (SLIS): A Comparison of Different Filters

A Rad, A Rekhy, A Dogariu, RB Miles - AIAA AVIATION 2020 FORUM, 2020 - arc.aiaa.org
In this study, we model four atomic filters useful in slow light imaging spectroscopy. We
calculate delay using the group velocity in rubidium at 780 nm, mercury at 254 nm, and …