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Design and development of a high-power LED-pumped Ce:Nd:YAG laser

Villars, Brenden J.
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Durfee, Charles G.
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Date
Date Issued
2015
Date Submitted
Keywords
LED
 laser
 optics
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2010-2019 - Mines Theses & Dissertations
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Villars_mines_0052N_10855.pdf
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https://hdl.handle.net/11124/20314
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Abstract
By studying quasi-continuous wave (QCW) operation of a direct LED-Pumped Ce:Nd:YAG solid-state laser, we demonstrate its feasibility as an alternative to direct-diode or flashlamp pumped systems. LEDs emitting at both 460nm and 810nm were used to pump Ce:Nd:YAG laser rod, the former being made possible by the (Ce^{3+}) co-dopant that enables transfer of excitations at 460nm to (Nd^{3+}) ions in the YAG lattice. Comparison of these two pumping schemes has allowed for a thorough analysis of the performance and efficiency of this laser system. QCW output powers as high as 18mJ/pulse are reported, which to the best of our knowledge is the highest output power achieved by an LED-pumped solid-state laser to date.
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