2.35 μm LEDs for measuring methane |
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| Authors: | A A Popov V V Sherstnev Yu P Yakovlev |
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| Affiliation: | (1) A. F. Ioffe Physicotechnical Institute Russian Academy of Sciences, St. Petersburg |
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| Abstract: | GaAlAsSb/GaInAsSb/GaAlAsSb double-heterostructure LEDs emitting in the region of the 2.35 μm absorption band of methane have been developed for fast gas analyzers. Different designs of double heterostructures based
on the solid solution GaInAsSb were studied. Continuous-wave optical power of 1.2 mW was achieved. The methane absorption
spectrum for the LED radiation is presented.
Pis’ma Zh. Tekh. Fiz. 24, 72–79 (January 26, 1998) |
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