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  • XVIII International Quantum Electronics Conference
  • Technical Digest Series (Optica Publishing Group, 1992),
  • paper PTu108

New Concept of Optical-Free-Induction-Decay (OFID) Picosecond-Pulse 10 μm-CCh-Laser Systems

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Abstract

Present ps-pulse optical-free-induction-decay (OFID) CO2 laser systems[1] produce highpower 10 μm pulses with an excellent contrast ratio and adjustable duration between 30 μs and 300 μs.[2] All these systems apply OFID in hot CO2 gas as optical filter in spite of the fact that the Michelson interferometer, the Fabry-Perot etalon, the grating monochromator, the quarterwave antireflection coating used in reflection and resonant absorbers have been proposed for this purpose.[1] Obviously, none of these was successful.

© 1992 IQEC

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