Abstract
The possibility of the generation of quasi-cw terahertz radiation by the optical rectification method for broad-band Fourier unlimited nanosecond laser pulses has been experimentally demonstrated. The broadband radiation of a LiF dye-center laser is used as a pump source of a nonlinear optical oscillator. The energy efficiency of terahertz optical frequency conversion in a periodically polarized lithium niobate crystal is 4 × 10−9 at a pump power density of 7 MW/cm2.
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Original Russian Text © A.N. Tuchak, G.N. Gol’tsman, G.Kh. Kitaeva, A.N. Penin, S.V. Seliverstov, M.I. Finkel, A.V. Shepelev, P.V. Yakunin, 2012, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2012, Vol. 96, No. 2, pp. 97–101.
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Tuchak, A.N., Gol’tsman, G.N., Kitaeva, G.K. et al. Generation of nanosecond terahertz pulses by the optical rectification method. Jetp Lett. 96, 94–97 (2012). https://doi.org/10.1134/S0021364012140123
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DOI: https://doi.org/10.1134/S0021364012140123