Amplifiers – Parametric amplifiers – Semiconductor type
Patent
1986-09-19
1988-12-20
Moskowitz, Nelson
Amplifiers
Parametric amplifiers
Semiconductor type
372 95, 350620, H01S 305, H01S 3086, H01S 3083
Patent
active
047927658
ABSTRACT:
An unstable optical resonator having a gain region that has an elliptic or other non-circular cross section still has the benefits of a total collimated cavity Fresnel number that is azimuthally symmetric by the combination of several cavity regions of azimuthally non-uniform Fresnel number of appropriate size.
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patent: 4361889 (1982-11-01), Salenson
patent: 4494235 (1985-01-01), Guch et al.
patent: 4669088 (1987-05-01), Waite
Paxton, A. H.; "Propagation of . . . Azimuthal . . . Feature"; J. Opt. Soc. Am., vol. 1, #3, 3/84, pp. 319-321.
Paxton, A. H.; "Unstable Resonators . . . Fresnel Numbers"; Opt. Lett., vol. 11, #2; 2/86; pp. 76-78.
Anan'ev et al, "Properties of Unstable Resonators . . . ", Sov. J. Quant. Elect., vol. 9, #9, 9/79, pp. 1105-1110.
Guha et al, "Performance of an Annular Resonator . . . ", Appl. Opt., vol. 20, #23, 12/1/81, pp. 4135-4140.
Chodzko et al, "Annular (HSURIA) Resonators . . . ", Appl. Opt., vol. 19, #5, 3/1/80, pp. 778-789.
Oughstun Kurt E.
Smith David C.
Moskowitz Nelson
Petraske Eric W.
United Technologies Corporation
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