Amethod for measuring the transmittivity of optical samples by using squeezed vacuumradiation is illustrated. A squeezed vacuumfield generated by a belowthreshold optical parametric oscillator is propagated through a non-dispersive medium and detected by a homodyne apparatus. The variance of the detected quadrature is used for measuring the transmittivity. With this method the number of photons passing through the sample during the measurement interval is drastically reduced. The results of some tests are reported.
Transmittivity measurements by means of squeezed vacuum light / V. D'Auria, C. de Lisio A. Porzio, S. Solimeno, M. G. A. Paris. - In: JOURNAL OF PHYSICS. B, ATOMIC MOLECULAR AND OPTICAL PHYSICS. - ISSN 0953-4075. - 39:5(2006), pp. 1187-1198.
Transmittivity measurements by means of squeezed vacuum light
M. G. A. ParisPenultimo
2006
Abstract
Amethod for measuring the transmittivity of optical samples by using squeezed vacuumradiation is illustrated. A squeezed vacuumfield generated by a belowthreshold optical parametric oscillator is propagated through a non-dispersive medium and detected by a homodyne apparatus. The variance of the detected quadrature is used for measuring the transmittivity. With this method the number of photons passing through the sample during the measurement interval is drastically reduced. The results of some tests are reported.
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