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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 10 — May. 15, 2000
  • pp: 746–748

Mercury thiogallate mid-infrared femtosecond optical parametric generator pumped at 1.25 µm by a Cr:forsterite regenerative amplifier

F. Rotermund and V. Petrov  »View Author Affiliations


Optics Letters, Vol. 25, Issue 10, pp. 746-748 (2000)
http://dx.doi.org/10.1364/OL.25.000746


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Abstract

We demonstrate a novel traveling-wave-type optical parametric generator based on 1.25-µm pumping of HgGa2S4 that produces tunable, high-power, transform-limited ∞ 200-fs pulses in the mid-IR from 5 to 9 µm. Output idler energies on the microjoule level are obtained with maximum conversion efficiency of 11% for the amplifier stage, which is more than two times better than the results obtained with an analogous sample of the widely spread material AgGaS2.

© 2000 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

Citation
F. Rotermund and V. Petrov, "Mercury thiogallate mid-infrared femtosecond optical parametric generator pumped at 1.25 µm by a Cr:forsterite regenerative amplifier," Opt. Lett. 25, 746-748 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-10-746

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