High energy femtosecond mid-infrared generation pumped by dual wavelength multipass amplifier

J. F. Xia

doi:10.1117/12.2283805

29 August 2017 High energy femtosecond mid-infrared generation pumped by dual wavelength multipass amplifier

J. F. Xia

Proceedings Volume 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging; 1031309 (2017) https://doi.org/10.1117/12.2283805
Event: Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 2002, Ottawa, Ontario, Canada

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.

Citation Download Citation

J. F. Xia "High energy femtosecond mid-infrared generation pumped by dual wavelength multipass amplifier", Proc. SPIE 10313, Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, 1031309 (29 August 2017); https://doi.org/10.1117/12.2283805

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