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- W1617178889 abstract "The emission properties of lead salt continuous‐wave (cw) vertical‐cavity surface‐emitting lasers for the mid‐infrared are presented. The structures, based on high‐finesse microcavities containing PbSe as active medium, show optically pumped cw laser emission up to temperatures of 100 K at a long wavelength of 6.7 μm. Stimulated emission with a very narrow beam divergence below 1° and a large temperature tuning range of 70 nm is found. The measured line width of the laser emission is only 0.6 nm limited by the spectrometer resolution with a strong narrowing with respect to the line width of the sub‐threshold signal. The sharp laser threshold is at a low pump power of 67 W/cm2 and the observed cw output power amounts up to 1.2 mW at 85 K with a conversion efficiency of 0.5 %." @default.
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- W1617178889 date "2007-01-01" @default.
- W1617178889 modified "2023-10-14" @default.
- W1617178889 title "Emission Properties of 6.7 Micron Vertical-Emitting Microcavity Lasers Operating in Continuous-Wave Mode" @default.
- W1617178889 doi "https://doi.org/10.1063/1.2730297" @default.
- W1617178889 hasPublicationYear "2007" @default.
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