H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 3/10 (2006.01) H01S 3/108 (2006.01) H01S 3/30 (2006.01) H01S 3/02 (2006.01)
Patent
CA 2195828
A Raman cell containing a gaseous Raman medium at a pressure of 100-1000 PSIG with an input window for a pump beam at one end and an output window for a Raman shifted wavelength at the cells opposite end. The output window is a plane mirror having an inner face coated with dielectric thin films which are highly reflective at the wavelength of the pump beam and partially reflective at the cell's Raman shifted wavelength. The input window includes a converging lens with an inner surface coated with dielectric thin films which are highly transmissive to the pump beam but highly reflective at the Raman wavelength. The lens has a focal length in the Raman medium of about 3/2 of the cell's inner length to substantially focus the pump beam at the center of the cell after it is reflected back by the inner face of the plane mirror.
Fournier Georges R.
Larouchelle Vincent
Mathieu Pierre J.p.r.
Pace Paul
Wong Silvester
Her Majesty The Queen In Right Of Canada As Represented By The M
Kelly H.a.
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