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Optics Letters

Optics Letters


  • Vol. 21, Iss. 16 — Aug. 15, 1996
  • pp: 1247–1249

Sequential optical pumping of a far-infrared ammonia laser

Maki Tachikawa and Kenneth M. Evenson  »View Author Affiliations

Optics Letters, Vol. 21, Issue 16, pp. 1247-1249 (1996)

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We present a novel technique for resonantly pumping a continuous-wave far-infrared NH3 laser with a line-tunable mid-infrared NH3 laser that is optically pumped by a CO2 laser. In this two-step process we first convert 10-μm CO2 laser photons into 11–13-μm NH3 laser photons, which are then converted into 60–400-μm photons in a far-infrared NH3 laser. Continuous-wave laser action on 10 far-infrared lines of 15NH3, including four new ones, has been obtained with a single CO2 laser pump line.

© 1996 Optical Society of America

Original Manuscript: February 27, 1996
Published: August 15, 1996

Maki Tachikawa and Kenneth M. Evenson, "Sequential optical pumping of a far-infrared ammonia laser," Opt. Lett. 21, 1247-1249 (1996)

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