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Appl Opt. 2002 Nov 20;41(33):7012-7.

Relaxed alignment tolerance of monolithic ring lasers.

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  • 1Quantum Department, National Institute of Metrology, Joint Laboratory of Advanced Technology in Measurements of China, 18 Beisanhuan East Road, Beijing 100013, China. ejzang@nim.ac.cn

Abstract

An investigation of relaxed alignment tolerance in monolithic ring lasers is presented. It was found that the relaxed alignment tolerance is strongly dependent on the out-of-plane angle. A preferred region for the out-of-plane angle is proposed. In this region the resonator has greatly relaxed alignment tolerances, and the unidirectional operation can be obtained under a much-lower magnetic field. Two lasers have been constructed in the region, and satisfactory performance was found, in good agreement with the theoretical analysis.

PMID:
12463246
[PubMed]
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