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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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1

Investigation of Specialized Laser and Optical Techniques to Improve Precision Atomic Spectroscopy of Helium

Currey, Ronnie 05 1900 (has links)
The aim of this thesis is to develop both Yb and Tm fiber laser sources with all fiber cavities. Both wavelength ranges provide useful laser sources for optical pumping of helium. The goal is to develop Tm laser sources operating at 2058 nm to optically quench 3He (2058.63 nm) and 4He (2058.69 nm) singlets (21S0). We also have developed Yb laser sources at 1083 nm to optical pump the triplet states of helium and laser cool an atomic beam of helium.
lasers
fiber lasers
optical fiber
thulium fiber lasers
ytterbium fiber lasers
fiber amplifiers
ytterbium fiber amplifiers
high energy laser
optical pumping
single frequency fiber amplifier
Atomic spectroscopy.
Optical pumping.
Lasers in physics.
Helium -- Spectra.

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