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Compact tunable mid-infrared laser source by difference frequency generation of two diode-lasers (1996)

Schade, W. ; Blanke, T. ; Willer, U. ; [et al.]

Springer

Applied physics 63 (1996), S. 99-102

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ISSN: 1432-0649

Keywords: 07.65.Gj ; 42.72A ; 42.55.P ; 42.65.D

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Two continuous-wave single mode diode-lasers (Hitachi HL 7851G and Toshiba TOLD 9150) are applied as signal and pump sources for difference frequency generation (DFG) in an AgGaS2 crystal with a length of 30 mm. For 90° type I phase matching tunable mid-infrared laser radiation around 5 µm is obtained with an output power of up toP DFG = 0.2 µW while the diode lasers are operated with powers of 30 and 50 mW at the center wavelengths 682 and 791 nm, respectively. The performance of the diode-laser-DFG system is shown as the absorption spectrum of CO for the P(28) rotational line around 2023 cm−1 is probed in a 10cm long cell and in the exhaust of an engine.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01112844

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