Absorption Spectroscopy beyond the Shot-Noise Limit
- 9 May 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 60 (19), 1940-1942
- https://doi.org/10.1103/physrevlett.60.1940
Abstract
A novel absorption spectrometer where an absorber is placed in one beam of a parametric oscillator is described. The sensitivity is not shot-noise limited and may be enhanced by the operation of the parametric oscillator close to threshold.Keywords
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