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Digitale Medien

Fast and slow current tuning of lead-chalcogenide diode lasers (1996)

Kastner, J. F. ; Richter, G. ; Herrmann, C. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 80 (1996), S. 1275-1279

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Details

ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: Mid-infrared lead-chalcogenide diode lasers can be operated at convenient operation temperatures using short current pulses and thus allow a wide range of potential applications. Our goal was to optimize the spectral characteristics of pulsed lasers by well-defined current pulse shaping. The high-frequency current tuning coefficient has been evaluated experimentally for this reason. Different tuning mechanisms are discussed by use of a model calculation. The qualitative features can be explained by assuming a separate temperature for the carriers that form a thermodynamic system of their own and are heated by the current. The tuning characteristics can be explained due to carrier concentration variations induced by free-carrier absorption. © 1996 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.362925

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