Coherent light generators – Raman laser
Patent
1992-07-16
1994-03-08
Bovernick, Rodney B.
Coherent light generators
Raman laser
359327, H01S 330
Patent
active
052933946
ABSTRACT:
This invention provides a Raman laser wherein a light beam from a laser source (1) passes through a first chamber (3) and experiences Raman scattering, and then passes through a second chamber (9) and experiences further Raman scattering, such that the output of the Raman laser is frequency shifted. The first and second chambers may be distinct from each other enabling different types and pressures of gases to be utilised, or may be one and the same (20) providing a particularly compact arrangement. A Raman laser in accordance with the invention is particularly suitable for the production of light consisting of multiple rotational Raman orders, and particular embodiments enable frequency switching to be achieved and also provides arrangements which reduce the problems of boresight stability and gas circulation encountered with previous designs.
REFERENCES:
patent: 3881115 (1975-04-01), Hodgson et al.
patent: 4254348 (1981-03-01), Stappaerts
patent: 4280109 (1981-07-01), Staepperts
patent: 4394623 (1983-07-01), Kurnit
patent: 4570081 (1986-02-01), Baldwin
patent: 4575645 (1986-03-01), Komine
patent: 4618783 (1986-10-01), Pradere et al.
patent: 4633103 (1986-12-01), Hyman et al.
patent: 5090016 (1992-02-01), Dewhirst et al.
patent: 5142645 (1992-08-01), Katz
Applied Physics B: Photo-Physics and Laser Chemistry vol. B52, No. 3, Mar. 1991, Berlin pp. 211-216, S. Kawasaki et al. "Efficiently Generated Rotational and Vibrational Stimulated Raman Emission by Means of a Two-Color Laser Beam".
Optics Communications, vol. 22, No. 3, Sep. 1977, pp. 323-328 A. Owyoung, "Sensitivity Limitations for CW Stimulated Raman Spectroscopy".
Japanese Journal of Applied Physics, vol. 30, No. 2B, Feb. 15, 1991 pp. L283-L285, S. Yoshikawa et al., "Equally Spaced Multi-Frequency Laser Emission Generated by Two-Color Stimulated Raman Effect.--Enhancement of Rotational Lines and Suppression of Vibrational Lines".
Bovernick Rodney B.
GEC Ferranti Defence Systems Limited
Wise Robert E.
LandOfFree
Raman laser does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Raman laser, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Raman laser will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-158645