G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/63 (2006.01) G01N 15/14 (2006.01) G01P 3/36 (2006.01)
Patent
CA 2448155
An electro-optical aerosol characterizing system includes a continuous wave laser for generating two beams in the red wavelength range, intersecting a particle stream at slightly spaced apart locations. A pulsed UV laser generates a beam that intersects the particle stream at a third location downstream. Laser energy scattered by each particle as it passes the first two locations, is used to compute aerodynamic sizes and UV laser pulsing times, so that in each case the UV beam irradiates the particle at the downstream location. Particles containing biological materials or other fluorescing components emit fluorescence signals in response to the irradiation. Accordingly, the system provides information about particle composition as well as particle size.
Hairston Peter P.
Ho Jim Yew-Wah
Quant Frederick R.
Hairston Peter P.
Her Majesty In Right Of Canada As Represented By The Minister Of
Ho Jim Yew-Wah
Quant Frederick R.
Sim & Mcburney
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