Abstract

The lateral shift of the mode axis in a misaligned Porro prism resonator is analyzed. A method to find the tilted mode axis in a misaligned Porro prism resonator is introduced. Expressions for the displacement of the mode axis are deduced. They predict that the lateral displacement of the mode axis is proportional to the horizontal misalignment angle β and highly dependent of the prism azimuth angle θ. Experimental results obtained agree well with theory.

© 1989 Optical Society of America

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