Enhanced radiation coupling from unstable laser resonators

Details Enhanced radiation coupling from unstable laser resonators Enhanced radiation coupling from unstable laser resonators

1974-12-06

1976-07-13

Webster, Robert J.

Oscillators

Molecular or particle resonant type

H01S 3081

Patent

active

039696855

ABSTRACT:
Method and apparatus for providing a large fraction of the energy coupling from an unstable resonator in the central lobe of the far field pattern of the output beam from the resonator are disclosed. The resonator is designed to allow a low order mode pattern to resonate about the optical axis therethrough and radiation is coupled out from both the axial region and the outer region of the mode. The geometry of the systems is formed with transmissive and reflective optics in various configurations of linear and ring lasers.

REFERENCES:
patent: 3663890 (1972-05-01), Schulthuss et al.
patent: 3873942 (1975-03-01), Reilly
Freiberg et al., Laser Focus, vol. 9, No. 5, May 1973, pp. 59-63.
Krupke et al., IEEE J. Quantum Electronics, vol. QE-5, No. 12, Dec. 1969, pp. 575-586.
Sinclair et al., Applied Optics, vol. 6, No. 5, May 1967, pp. 845-849.

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