15.9 Micron acetylene laser

Oscillators – Molecular or particle resonant type

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331 945P, H01S 300, H01S 309

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042374286

ABSTRACT:
A laser system in which acetylene is mixed with a gaseous mixture of helium and carbon monoxide which has been vibrationally excited significantly populating the lower vibrational levels of the CO. The carbon monoxide will transfer its energy to the acetylene, populating the upper (01000) level to create laser radiation near 15.9 microns which may be operated in continuous-wave or pulsed modes. The laser cavity includes mirrors which are highly reflective at 16 microns but transparent to radiation at 8 microns or other well-known means which will operate in the same fashion.

REFERENCES:
patent: 3891944 (1975-06-01), Lavarini et al.
patent: 4056789 (1977-11-01), Stregack et al.
patent: 4136317 (1979-01-01), Stregack et al.
Stregack et al., "CW CO-CS.sub.2, CO-C.sub.2 H.sub.2, and CO-N.sub.2 O Eny-Transfer Lasers*", Applied Physics Letters, vol. 28, No. 3, Feb. 1, 1976, pp. 137-139.
Peterson et al., "CW Chemical Lasers Pumped by Vibrational Energy Transfer: CO/CO.sub.2 and CO/N.sub.2 O*", J. of Applied Physics, vol. 46, No. 10, Oct. 1975, pp. 4570-4572.
Stregack et al., "A New Electric Discharge Gas Dynamic Laser", IEEE J. Quantum Electronics, vol. QE-11, No. 8, Aug. 1975, p. 705.

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