Monolithic Nonplanar Ring Lasers: Resistance To Optical Feedback

Alan C Nilsson; Thomas J Kane; Robert L Byer

doi:10.1117/12.945498

22 June 1988 Monolithic Nonplanar Ring Lasers: Resistance To Optical Feedback

Alan C Nilsson, Thomas J Kane, Robert L Byer

Proceedings Volume 0912, Pulse Single-Frequency Lasers: Technology and Applications; (1988) https://doi.org/10.1117/12.945498
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

The sensitivity of a monolithic, unidirectional nonplanar ring laser to optical feedback depends on the polarization eigenmodes of the resonator, which are complicated functions of the resonator geometry. Resonator geometries that increase the loss difference between the two directions of propagation around the ring improve the resistance of the lasers to optical feedback. Measurements on Nd:YAG nonplanar ring lasers having two different ring geometries are discussed. Currently, 1% optical feedback produces 10% reduction in useful output power for the more feedback-resistant oscillator, a tenfold improvement over previous designs.

Citation Download Citation

Alan C Nilsson, Thomas J Kane, and Robert L Byer "Monolithic Nonplanar Ring Lasers: Resistance To Optical Feedback", Proc. SPIE 0912, Pulse Single-Frequency Lasers: Technology and Applications, (22 June 1988); https://doi.org/10.1117/12.945498

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