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Laser-pumped molecular lasers - Part II: Submillimeter laser experiments

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3 Author(s)
Drozdowicz, Z. ; Research Division, Raytheon Company, Waltham, MA, USA ; Temkin, R.J. ; Lax, B.

We report the first experimental determination of the gain spectrum of a laser-pumped submillimeter laser amplifier. Single-mode pump and submillimeter oscillators were used to determine the gain as a function of submillimeter laser frequency, pump intensity, relative polarization, and molecular gas pressure. The 385 μm transition in D2O and the 496 μm transition in CH3F, both pumped by a CO2laser, were investigated. The use of single-mode lasers allows a direct comparison with theory. Good agreement is obtained with our recent theory which takes into account two photon contributions to the gain as well as space orientation (M-level) molecular degeneracy.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:15 ,  Issue: 9 )

Date of Publication:

September 1979

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