Mathematics – Logic
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..387..837p&link_type=abstract
Space technology and applications international forum (STAIF - 97). AIP Conference Proceedings, Volume 387, pp. 837-842 (1997).
Mathematics
Logic
Biological And Medical Applications, Laser Spectroscopy, Metrological Applications, Optical Frequency Synthesizers For Precision Spectroscopy
Scientific paper
We report recent progress at the Space Vacuum Epitaxy Center in the development of mid-IR lasers for remote chemical sensing and environmental monitoring applications. A type-II quantum well laser with a record operating temperature of 350 K at 3.2 μm and an output power of 270 mW at room temperature has been demonstrated. Furthermore, a novel type-II quantum cascade laser design, which promises high current injection efficiency, reduced non-radiative losses and, therefore, low threshold current, is also under investigation. With the realization of efficient, high power, compact and easy to operate mid-IR sources, the development of a new generation of remote chemical sensing systems for extra-terrestrial exploration is expected to follow.
Lin Cheng-Horng
Murry S.
Pei Shilun
Yang R. Q.
Zhang Dengfu
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