Pumping efficiency and emission cross-section measurements of flashlamp-pumped chromium- and neodymium-doped scandium garnets using threshold lasing

David S. Sumida; David A. Rockwell

doi:10.1117/12.60184

1 June 1992 Pumping efficiency and emission cross-section measurements of flashlamp-pumped chromium- and neodymium-doped scandium garnets using threshold lasing

David S. Sumida, David A. Rockwell

Author Affiliations +

Proceedings Volume 1627, Solid State Lasers III; (1992) https://doi.org/10.1117/12.60184
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Analytical closed-form expressions for the pumping efficiency, passive loss, and the effective emission cross section are derived for threshold lasing in homogeneously broadened four-level laser media. These expressions are discussed with respect to existing discrepancies in the literature. The analytical results are applied to threshold-lasing measurements in flashlamp-pumped Cr:Nd:GSAG and Cr:Nd:YSGG as compared to Cr:Nd:GSGG.

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David S. Sumida and David A. Rockwell "Pumping efficiency and emission cross-section measurements of flashlamp-pumped chromium- and neodymium-doped scandium garnets using threshold lasing", Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); https://doi.org/10.1117/12.60184

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