Efficient Raman shifting of high-energy picosecond pulses into the eye-safe 1.5-µm spectral region by use of a KGd(WO4)_2 crystal
Major, Arkady and Aitchison, J.S. and Smith, Peter W.E. and Langford, Nigel and Ferguson, Allister I. (2005) Efficient Raman shifting of high-energy picosecond pulses into the eye-safe 1.5-µm spectral region by use of a KGd(WO4)_2 crystal. Optics Letters, 30 (4). pp. 421-423. ISSN 0146-9592 (http://dx.doi.org/10.1364/OL.30.000421)
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We report an efficient transient stimulated Raman conversion of high-energy picosecond pulses at 1350 nm into the eye-safe 1500-nm wavelength range by use of a KGd(WO4)_2 crystal. The conversion efficiency into either 1503- or 1537-nm radiation (767- or 901-cm^-1 Raman modes, respectively) is measured to be ~10% in a single-pass configuration. The transient Raman gain coefficient is found to be ~0.8 cm/GW. Simultaneous generation of multiple Raman lines is also observed.
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Item type: Article ID code: 2877 Dates: DateEventFebruary 2005PublishedSubjects: Science > Physics > Optics. Light Department: Faculty of Science > Physics Depositing user: Mr Derek Boyle Date deposited: 06 Feb 2007 Last modified: 08 Apr 2024 15:37 URI: https://strathprints.strath.ac.uk/id/eprint/2877