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Directly diode pumped Kerr lens mode-locked Ti:sapphire oscillator

Garlick, Jonathan P.
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Advisor
Durfee, Charles G.
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Date
Date Issued
2014
Date Submitted
2014
Keywords
oscillator
 Kerr
 diode
 mode-lock
 laser
 Ti:sapphire
 Diodes
 Mode-locked lasers
 Oscillators, Crystal
 Kerr effect
 Lasers
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2010-2019 - Mines Theses & Dissertations
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Directly diode pumped Kerr lens mode-locked Ti:sapphire oscillator
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https://hdl.handle.net/11124/17021
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Abstract
This document describes how 445nm laser diodes were successfully used to pump a soft aperture Kerr lens mode-locked Ti:sapphire oscillator. Measurements were taken in order to determine the mechanism behind the mode-locking bias in these oscillators. It was determined that the gain was higher for the mode-locked mode of operation even though the 1/e[superscript 2] radius of the pump was larger than the 1/e[superscript 2] radius of both the CW and mode-locked modes in the crystal. This indicates that the 1/e[superscript 2] radius of the beams is not enough information to determine if mode-locking will occur and an accurate model will need to take the full beam profile into account.
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