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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. http://resolver.caltech.edu/CaltechAUTHORS:ANDao84a

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Abstract

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.


Item Type:Article
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.
Record Number:CaltechAUTHORS:ANDao84a
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ANDao84a
Alternative URL:http://www.opticsinfobase.org/abstract.cfm?URI=ao-23-17-2944
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ID Code:2871
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:04 May 2006
Last Modified:26 Dec 2012 08:51

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