Abstract.
Two deflection techniques for the measurement of the dispersive properties of an optical medium have been implemented. Prismatic deflection is used to measure the dispersion of a medium exhibiting Electromagnetically Induced Transparency (EIT) with the \(\rm 5S_{1/2}-5P_{3/2}-5D\) cascade system in 85Rb and 87Rb. In addition, the dispersion associated with a saturated absorption and hyperfine pumping spectrum is measured by deflection due to a spatial inhomogeneity of the refractive index induced by an expanded Gaussian-profile pump beam.
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Received: 19 December 2003, Published online: 20 April 2004
PACS:
39.30. + w Spectroscopic techniques - 33.55.Ad Optical activity, optical rotation; circular dichroism
G. Jundt: Present address: Institute of Quantum Electronics, Department of Physics, ETH Zürich, Hönggerberg 8093, Switzerland
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Purves, G.T., Jundt, G., Adams, C.S. et al. Refractive index measurements by probe-beam deflection. Eur. Phys. J. D 29, 433–436 (2004). https://doi.org/10.1140/epjd/e2004-00056-8
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DOI: https://doi.org/10.1140/epjd/e2004-00056-8