25 November 1986 Analysis Of FEL Optical Systems With Grazing Incidence Mirrors
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Proceedings Volume 0642, Modeling and Simulation of Optoelectronic Systems; (1986) https://doi.org/10.1117/12.975501
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States
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.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. E. Knapp, V. K. Viswanathan, S. C. Bender, Q. D. Appert, G. Lawrence, C. Barnard, "Analysis Of FEL Optical Systems With Grazing Incidence Mirrors", Proc. SPIE 0642, Modeling and Simulation of Optoelectronic Systems, (25 November 1986); doi: 10.1117/12.975501; https://doi.org/10.1117/12.975501
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