Microparticle detection apparatus
A technology for detecting equipment and particles, which can be used in measuring devices, particle suspension analysis, scattering characteristic measurement, etc., and can solve the problems of reduced scattered light intensity and no significant increase in scattered light SNR.
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[0058] Reference will now be made in detail to exemplary embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
[0059] figure 2 shows a particle detection device 100 according to an embodiment of the present invention, image 3 is a cross-sectional view of the particle detection device 100 .
[0060] refer to figure 2 and image 3 , the particle detection apparatus 100 includes a light source unit 110 , an introduction unit 120 , an optical chamber 130 , a beam blocking unit 140 and a detection optical system 150 .
[0061] The light source unit 110 that irradiates light to sample particles includes an optical element 111 that emits light and a converging optical system 112 that condenses the light emitted from the optical element 111 .
[0062] The optical element 111 may include a laser diode (LD) (not shown) or a light emitting diode (LED) (not shown).
[0063]...
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