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Proceedings Paper

Analysis Of FEL Optical Systems With Grazing Incidence Mirrors
Author(s): C. E. Knapp; V. K. Viswanathan; S. C. Bender; Q. D. Appert; G. Lawrence; C. Barnard
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Paper Abstract

The use of grazing incidence optics in resonators alleviates the problem of damage to the optical elements and permits higher powers in cavities of reasonable dimensions for a free electron laser (FEL). The design and manufacture of a grazing incidence beam expander for the Los Alamos FEL mock up has been completed. In this paper, we describe the analysis of a bare cavity, grazing incidence optical beam expander for an FEL system. Since the existing geometrical and physical optics codes were inadequate for such an analysis, the GLAD code was modified to include global coordinates, exact conic representation, raytracing, and exact aberration features to determine the alignment sensitivities of laser resonators. A resonator cavity has been manufactured and experimentally setup in the Optical Evaluation Laboratory at Los Alamos. Calculated performance is compared with the laboratory measurements obtained so far.

Paper Details

Date Published: 25 November 1986
PDF: 8 pages
Proc. SPIE 0642, Modeling and Simulation of Optoelectronic Systems, (25 November 1986); doi: 10.1117/12.975501
Show Author Affiliations
C. E. Knapp, University of California (United States)
V. K. Viswanathan, University of California (United States)
S. C. Bender, University of California (United States)
Q. D. Appert, University of California (United States)
G. Lawrence, Applied Optics Research (United States)
C. Barnard, Applied Optics Research (United States)


Published in SPIE Proceedings Vol. 0642:
Modeling and Simulation of Optoelectronic Systems
John Dugan O'Keefe, Editor(s)

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