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Alignment of resonant optical cavities

Anderson, Dana Z. (1984) Alignment of resonant optical cavities. Applied Optics, 23 (17). pp. 2944-2949. ISSN 0003-6935.

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When an input Gaussian beam is improperly aligned and mode-matched to a stable optical resonator, the electric field in the resonator couples to off-axis spatial eigenmodes. We show that a translation of the input axis or a mismatch of the beam waist to the resonator waist size causes a coupling of off-axis modes which is inphase with the input field. On the other hand, a tilt of the input beam or a mismatch of the beam waist position to cavity waist position couples to these modes in quadrature phase. We also propose a method to measure these coupling coefficients and thereby provide a means to align and mode-match a resonant optical cavity in real time.

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Additional Information:© 1984 Optical Society of America Received 12 April 1984. The author owes special thanks to S. Whitcomb for providing valuable insights, to R. Spero and R. W. P. Drever for helpful discussions, and to K. S. Thorne for illuminating comments on the manuscript. This work was supported by the National Science Foundation grant PHY-82 04056.
Issue or Number:17
Record Number:CaltechAUTHORS:ANDao84a
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2871
Deposited By: Archive Administrator
Deposited On:04 May 2006
Last Modified:02 Oct 2019 22:57

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