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Proceedings Paper

High energy femtosecond mid-infrared generation pumped by dual wavelength multipass amplifier
Author(s): J. F. Xia
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Paper Abstract

We have developed a high intensity, dual-wavelength laser system to carry out vibrational excitations of molecules via mid-infrared radiation [1] or Raman Chirped Adiabatic rapid Passage (RCAP) [2,3]. We have previously reported amplifying two outputs from a dual-wavelength, mode-locked Ti:sapphire laser to a total energy of 1.5 mJ, in a single regenerative amplifier [4]. Also we have reported the generation of 1.5 ILI pulses at 10 [an, from mixing the output of the two colour amplifier [5] . In this report, we describe a dual-wavelength, multi-pass amplifier, that increases the energy of the two pulses to a combined level of 15 mJ. The two pulses can be used directly in an RCAP experiment or be difference frequency mixed to generate high intensity mid-infrared radiation, for the chirped mid-infrared experiment. We have now increased the energy to 7.4[0, by using 4.7 mJ of energy from the multi-pass amplifier.

Paper Details

Date Published: 29 August 2017
PDF: 3 pages
Proc. SPIE 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 1031309 (29 August 2017); doi: 10.1117/12.2283805
Show Author Affiliations
J. F. Xia, Univ. of Waterloo (Canada)

Published in SPIE Proceedings Vol. 10313:
Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging
John C. Armitage, Editor(s)

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