Apparatus and methods using highly optically dispersive media

Details Apparatus and methods using highly optically dispersive media Apparatus and methods using highly optically dispersive media

2011-08-02

2011-08-02

Lyons, Michael A (Department: 2877)

Optics: measuring and testing

By light interference

Spectroscopy

C356S454000

Reexamination Certificate

active

07990540

ABSTRACT:
According to the invention, a highly optically dispersive medium is one in which the absolute value of the group index of refraction of the medium is equal to or greater than four. An optical spectroscopic parameter detection and/or measurement apparatus may be in the form of an interferometer, a spectral interferometer, a spectrometer, a wavemeter, a tunable narrowband filter The embodied devices include a highly dispersive medium that appropriately can facilitate either a slow-light effect or a fast-light effect, which is disposed in a propagation path of an electro-magnetic (EM) input field and, a detector disposed in a manner to detect an output field resulting from the input filed interaction with the highly dispersive medium. Methods involve measuring a spectroscopic parameter using an optical spectroscopic parameter detection and/or measurement apparatus that incorporates a highly dispersive medium.

REFERENCES:
patent: 2006/0055935 (2006-03-01), Cheben et al.
patent: 2006/0164648 (2006-07-01), Howard
Shi, Zhimin et al. “Enhancing the spectral sensitivity of interferometers using slow-light media”. Optics Letters, vol. 32, No. 8, Apr. 15, 2007, pp. 915-917.
Boyd, Robert W and Gauthier Daniel J.; “Slow” and “Fast” Light; The Institute of Optics; University of Rochester; Department of Physics, Duke University; Sep. 24, 2001.

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