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Monomode emission with external cavity lasers in the mid-infrared region

: Beyer, T.; Tacke, M.; Lambrecht, A.


Infrared physics and technology 39 (1998), pp.283-286 : Ill., Lit.
ISSN: 1350-4495
Journal Article
Fraunhofer IPM ()
Bleisalzlaser; diode laser; Diodenlaser; external resonator; externer Resonator; mid infrared; mittleres Infrarot

Monomode operation at 6.6 mu m of an external resonator laser with antireflection -coated PbSe diodes is reported. Changing the angle of the Littrow configuration grating the emission wavenumber was varied over 50 cm(-1) A continuous tuning range of 1.2 cm(-1) was obtained by simultaneous control of the resonator length, grating angle and diode current.