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We describe an intracavity multipass system (IMS) for producing very high cw flux of visible light with ion lasers. Multiple crossings of an ion beam with the extended cavity of an argon-ion laser produce effective photodetachment laser powers well over 1 kW when a high-reflectance output coupler is used. Several IMS configurations have been implemented successfully.
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Anheier et al. (1989) studied this question.
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