Tunable laser based upon S.sub.2, Te.sub.2 and other selected di

Details Tunable laser based upon S.sub.2, Te.sub.2 and other selected di Tunable laser based upon S.sub.2, Te.sub.2 and other selected di

1977-05-02

1979-01-30

Sikes, William L.

Oscillators

Molecular or particle resonant type

331 945C, H01S 3223

Patent

active

041375092

ABSTRACT:
Lasing can be achieved by pumping a laser cell containing a vapor formed predominantly of Group VI dimers such as S.sub.2, Te.sub.2, Se.sub.2, TeO, TeSe, TeS and SeS, from a ground electronic state to a selected vibrational-rotational level in a selected excited electronic state. The selected excited electronic state is one having allowed transitions relative to the ground electronic state and the selected level of the excited state is one that is below the dissociation limit of that state. Lasing transitions then occur between the selected excited state level and higher vibrational-rotational levels of the ground state. For example, lasing is achieved at S.sub.2 (B-X) and at Te.sub.2 (A-X).

REFERENCES:
leone et al., Applied Physics Letters, vol. 30, No. 7, Apr. 1, 1977, pp. -348.
Silfvast et al., Applied Physics Letters, vol. 20, No. 12, Jun. 15, 1972, pp. 501-504.

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