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Highly collimated laser beams from grating coupled emission PbSnSe/PbEuSnSe diode lasers.

Stark kolliminierte Ausgangsstrahlung von gittergekoppelten PbSnSe/PbEuSnSe Diodenlasern
: Shani, Y.; Katzir, A.; Preier, H.M.; Tacke, M.


Applied Physics Letters 53 (1988), No.6, pp.462-463 : Abb.,Lit.
ISSN: 0003-6951 (Print)
ISSN: 1077-3118
Journal Article
Fraunhofer IPM ()
DBR-Laser; Diodenlaser; Infrarotlaser; Laser(gittergekoppelt); Monomodelaser; Strahlcharakteristik

Grating coupled emission PbSnSe/PbEuSnSe double-heterostructure stripe-geometry diode lasers were fabricated using molecular beam epitaxy. Low-divergence far-field patterns of some 5 degrees for multimode operation and some 2 degrees for single-mode operation were obtained. These are the lowest values ever achieved with Pb salt lasers. (IPM)