Method of Generating Raman Laser for Inducing Fluorescence of Pyrene and A System Thereof
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United States of America Patent
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Issued Date -
Jan 8, 2015
app pub date -
Jul 2, 2013
filing date -
Jul 2, 2013
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Abandoned
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Abstract
A method of generating Raman laser for inducing fluorescence of pyrene and a system thereof is disclosed. The system comprises a pulsed laser, a frequency doubling crystal, a frequency quadrupling crystal, a light filter unit, a Raman cell, a prism, an optical diaphragm, an object lens and an optical fiber. The method of the present invention comprises the steps of emitting a laser beam pulse through the crystals as mentioned above such that a mixture of lasers of different wavelength is generated. The light filter unit is used to obtain a pure pump laser from the mixture of lasers. Finally, the Raman laser is obtained by directing the pump laser into a Raman cell, extracting different orders of stimulated Raman scattering lasers emitted from the Raman cell by the prism and selecting a predetermined order of stimulated Raman scattering laser by the optical diaphragm.
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