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Agile Radio Frequency Source for Hyperfine Manipulation of Ultra-Cold Atoms

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Author: Winkler, Justin
Advisor: Aubin, Seth
Committee Members: Chaloupka, Jan; Li, Chi-Kwong; Hoatson, Gina L.
Issued Date: 2009-05-13
Subjects: Atomic and molecular physics
URI: http://hdl.handle.net/10288/1198
Description: This thesis describes the design, construction, and testing of a radio frequency signal source for generating rapidly changing frequencies in a repeatable and phase continuous manner. The radio frequency (RF) signal is generated by a Direct Digital Synthesizer (DDS) which is controlled by a triggerable microprocessor unit which is itself remotely programmed through an Ethernet connection. Waveforms generated by the RF source can be used for direct RF evaporation or RF manipulation of magnetic trapping potentials for ultra-cold atoms on an atom chip. The ultimate objective of the project is to mix the RF signal with higher frequency carrier waves to generate microwaves for the manipulation of hyperfine states of ultra-cold atoms of potassium and rubidium.
Degree: Bachelors of Science in Physics

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