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Optica Publishing Group
  • International Quantum Electronics Conference
  • 1996 OSA Technical Digest Series (Optica Publishing Group, 1996),
  • paper ThE7

CW molecular lasers at atmospheric pressure using planar waveguides

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Abstract

Although operation of CO2 lasers at (or above) atmospheric pressure is common-place in the pulsed discharge mode, the maximum pressures which have been demonstrated in the CW mode have been rather more modest. Thus, conventional resonator CO2 lasers are limited to pressures of a few tens torr, while resonators based on waveguiding principles have permitted significant laser output from devices operating to a several hundred torr. The basic problems in achieving higher pressure operation are twofold, first, to maintain discharge stability, and secondly, to preserve the gain medium excitation efficiency in the face of the changing gas density conditions.

© 1996 Optical Society of America

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