Date of Award

6-2023

Document Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Department of Engineering Physics

First Advisor

Glen P. Perram, PhD

Abstract

The rubidium 5S-5D two-photon transitions were probed between 758-798 nm, where a six order of magnitude change in the cross section was observed and the polarization dependence was seen explicitly. Collisional rates are measured in cesium on the 6P-9S and 5D-10F transitions, with broadening rates as large as 710 MHz/Torr and shifting rates as large as 273 MHz/Torr. We observe Stark broadening on the cesium 5D-10F line shape, with Lorentzian width increasing from 200 MHz to 40 GHz. The influence of electron impact is discussed under these conditions and with 0-20 Torr of helium. Cascade amplified spontaneous emission is seen on the four cesium 8S-7P-7S transitions, with a maximum measured cw power of 32.4 mW. The mid-wave power and spatial profiles are examined as a function of pump power (up to 5.1 W), pump wavelength (detuned), and alkali density (1012 to 1014 cm-3).

AFIT Designator

AFIT-ENP-DS-23-J-016

Comments

A 12-month embargo was observed.

Approved for public release. PA case number on file.

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