Supernarrow saturated absorption resonances in weakly coupled two resonant optical cavities |
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Authors: | SN Bagayev EA Titov |
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Institution: | (1) Institute of Laser Physics, SB RAS, Pr. Lavrentyev 13/3, 630090, Novosibirsk, Russia (Fax: +7-3832/332-067, E-mail: titov@laser.nsc.ru), RU |
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Abstract: | The advantages of the weakly coupled two resonant optical cavities (hereinafter referred to as three-mirror cavity) used for
observation of the supernarrow saturated absorption resonances are shown. Among these advantages we can name: (a) the possibility
to control the intensity in the cavity with the inside absorbing cell which is important when the gain and absorption saturation
parameters differ significantly; (b) the resonances observation from the ‘passive’ side of the three-mirror cavity permits
us to decrease drastically the influence of the reflected signal from the detector; (c) if instead of the absorbing cell an
active system is put in (gain plus absorption), it is possible by tuning the operating mode of the active interferometer to
obtain many-fold gain of the supernarrow resonance amplitude.
Received: 11 January 2000 / Revised version: 20 June 2000 / Published online: 9 February 2001 |
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Keywords: | PACS: 07 60 42 50 46 80 |
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