Measurements of heating and energy storage in flashlamp-pumped Nd:YAG and Nd-doped phosphate laser glasses

We have experimentally measured the energy stored and the heat generated in flashlamp-pumped Nd:YAG and six different commercially available Nd-doped phosphate glasses. We find that the normalized heating parameter X , defined as the heat deposited per unit stored energy, is 1.5-2 times the value ex...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1986-04, Vol.22 (4), p.574-580
Main Authors: Mangir, M., Rockwell, D.
Format: Article
Language:English
Subjects:
Current density
Doped-insulator lasers and other solid state lasers
Energy measurement
Energy storage
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Glass
Heating
Lasers
Neodymium
Optical pulses
Optics
Physics
Pulsed laser deposition
Spectroscopy
Xenon
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Summary:We have experimentally measured the energy stored and the heat generated in flashlamp-pumped Nd:YAG and six different commercially available Nd-doped phosphate glasses. We find that the normalized heating parameter X , defined as the heat deposited per unit stored energy, is 1.5-2 times the value expected from the known spectroscopy of the Nd ions in these hosts and the emission spectrum of Xenon flashlamps. We discuss the heat sources in Nd-doped glasses. Using a theoretical model, we calculate the influence of Nd concentration, flashlamp pulse length, and current density on X , and we point out the effects of X on practical laser designs.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.1986.1072995