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Proceedings Paper

Ultrashort pulse Ti:sapphire oscillators pumped by optically pumped semiconductor (OPS) pump lasers
Author(s): Bojan Resan; Estelle Coadou; Scott Petersen; Aurelie Thomas; Peter Walther; Rimas Viselga; Jean-Marc Heritier; Juan Chilla; William Tulloch; Alan Fry
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Paper Abstract

Ultrashort pulse (USP) Ti:Sapphire oscillators are constantly improving in cost, performance, and reliability. These improvements have been driven in part by improvements in the CW lasers used to pump the Ti:Sapphire gain medium. Recent development of optically-pumped semiconductor (OPS) lasers heralds a USP pump source that reduces cost and complexity while maintaining a high standard of performance and reliability. OPS lasers offer significant advantages with respect to traditional diode-pumped solid state (DPSS) lasers in regards to wavelength flexibility, broad pump tolerance, efficient spectral and spatial brightness conversion and high power scaling. In this paper, we report the performance of different types of ultrashort pulse Ti:Sapphire oscillators pumped by OPS lasers: broad bandwidth (approximately 100 nm) negative dispersion mirror based, broad bandwidth (approximately 100 nm) prism based, and narrower bandwidth (approximately 10 nm) tunable prism based oscillator. We analyze the impact of multimode spatial mode operation of the OPS pump laser on the mode quality, bandwidth and intensity noise of the USP oscillator output. We compare the performance of USP oscillators pumped by multiple transverse mode OPS lasers with traditional single transverse mode Nd:YVO4 DPSS lasers. We demonstrate excellent regenerative amplifier seeding with the OPS pumped Ti:Sapphire oscillator.

Paper Details

Date Published: 13 March 2008
PDF: 8 pages
Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 687116 (13 March 2008); doi: 10.1117/12.767364
Show Author Affiliations
Bojan Resan, Coherent, Inc. (United States)
Estelle Coadou, Coherent, Inc. (United States)
Scott Petersen, Coherent, Inc. (United States)
Aurelie Thomas, Coherent, Inc. (United States)
Peter Walther, Coherent, Inc. (United States)
Rimas Viselga, Coherent, Inc. (United States)
Jean-Marc Heritier, Coherent, Inc. (United States)
Juan Chilla, Coherent, Inc. (United States)
William Tulloch, Coherent, Inc. (United States)
Alan Fry, Coherent, Inc. (United States)

Published in SPIE Proceedings Vol. 6871:
Solid State Lasers XVII: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh K. Shori, Editor(s)

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