Double-pass Co:CdTe mid-infrared laser amplifier

Autor:	Eric J. Turner, Thomas R. Harris, Jonathan W. Evans, Sean A. McDaniel
Rok vydání:	2018
Předmět:	Materials science business.industry Amplifier Chemical vapor deposition Interband cascade laser Laser Cadmium telluride photovoltaics Electronic Optical and Magnetic Materials Double pass law.invention law Mid infrared laser Radiative transfer Optoelectronics business
Zdroj:	Optical Materials Express. 8:2948
ISSN:	2159-3930
DOI:	10.1364/ome.8.002948
Popis:	Mid-infrared optical gain has been successfully demonstrated by cobalt-doped cadmium telluride using a double-pass amplification technique. A 3.7 µm interband cascade laser was amplified by resonantly pumping Co:CdTe with a 2.8 µm continuous-wave Er-fiber laser. Cobalt-doped-chalcogenide gain media have been of considerable interest because they emit within the 3 – 5 µm atmospheric transmission window, contain broad emission characteristics and have relatively long radiative lifetimes. A measurable gain of 2.8 on the 4A2 ↔ 4T2 transition is reported.
Databáze:	OpenAIRE
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