Coherent light generators – Particular resonant cavity – Specified cavity component
Patent
1986-05-09
1987-09-29
Scott, Jr., Leon
Coherent light generators
Particular resonant cavity
Specified cavity component
372 2, 372 96, 372108, H01S 308
Patent
active
046972722
ABSTRACT:
A blazed corrugated reflector having internal corrugations or vanes, blazed at specified design angles, coherently reflects power at specified wavelengths. The corrugations meet the criteria of effecting retroreflection according to the Bragg conditions for gratings, eliminating higher order modes of reflection, and maximizing retroreflection and minimizing forward scattering according to the blaze condition. Two such reflectors can be configured into a laser resonator by placing them at opposing ends of a matching waveguide. The reflector does not obstruct the passage of an axial electron beam, thereby making it suitable to implement the resonator portion of a free electron laser.
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R. O. Miles & R. W. Grow, "Characteristics of a Hollow-Core Distributed Feedback CO.sub.2 Laser", IEEE Journal of Quantum Electronics, vol. QE 14, pp. 275-282, Apr. 1978.
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V. L. Bratman, et al, "FEL's with Bragg Reflection Resonators: Cyclotron Autoresonance Masers Versus Ubitrons", IEEE JQE, vol. 19, No. 3, Mar. 1983.
Duraiswamy V. D.
Hughes Aircraft Company
Jr. Leon Scott
Karambelas A. W.
Laslo V. G.
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