Stability of a short Rayleigh length laser resonator

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Authors
Crooker, P.P.
Blau, J.
Colson, W.B.
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Date of Issue
2005
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Abstract
Motivated by the prospect of constructing a short Rayleigh length free-electron laser in a high-vibration environment, we demonstrate the use of a collection of rays to study the effect of mirror vibration and distortion on the behavior of the fundamental optical mode of a cold-cavity resonator. We find that the ray collection accurately describes both on-axis and off-axis optical beams. We show that a tilt or transverse shift of a mirror causes the optical mode to rock about the original resonator axis, while a longitudinal mirror shift or a change in the mirrorâ s radius of curvature causes the beam diameter at a mirror to successively dilate and contract on the mirror. Results are in excellent agreement with analytic calculations and wave front propagation simulations as long as the mirrors remain large with respect to the beam diameter.
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Article
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The article of record as published may be found at http://dx.doi.org/10.1103/PhysRevSTAB.8.040703
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Physics
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The authors are grateful for support from NAVSEA, ONR, and the JTO.
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Physical Review Special Topics - Accelerators and Beams, Volume 8, 040703 (2005)
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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