Tunable picosecond infrared laser system based on parametric amplification in KTP with a Ti:sapphire amplifier

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Optics Letters, ISSN: 1539-4794, Vol: 20, Issue: 19, Page: 1991-1993

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https://works.bepress.com/dgragson/5; https://digitalcommons.calpoly.edu/chem_fac/8
Gragson, D. E.; Alavi, D. S.; Richmond, G. L.
The Optical Society
Physics and Astronomy; Biochemistry; Chemistry
article description
A picosecond laser system that will generate high-power tunable IR pulses with bandwidths suitable for spectroscopic applications is discussed. The system is based on white-light continuum generation in ethylene glycol and optical parametric amplif ication in potassium titanyl phosphate. The nonlinear-optical processes are driven by a regeneratively amplif ied Ti:sapphire laser that produces 1.7-ps pulses at a repetition rate of 1 kHz. Energies as high as 40 and 12 μ J have been achieved over the signal (1.02–1.16-μm) and idler (2.6–3.7-μm) tuning ranges, respectively. The IR beam temporal and spatial characteristics are also presented. © 1995, Optical Society of America.