| 摘要 |
PROBLEM TO BE SOLVED: To provide a particle measuring apparatus that can detect scattered light from a plurality of light sources separately when analysing particles in a biological sample such as blood or urine.SOLUTION: A blood cell analysis apparatus 1 comprises, as an optical detector D, a flow cell D1 through which a measurement sample flows; a semiconductor laser 101 emitting a laser beam of a predetermined wavelength; a semiconductor laser 103 emitting a laser beam of a wavelength different from the wavelength; a light irradiation optical system D3 irradiating the flow cell D1 with laser beams emitted from the semiconductor lasers 101, 103; a light receiving surface 205b receiving scattered light obtained by irradiating the measurement particles passing through the flow cell D1 with the laser beam from the semiconductor laser 101; and a light receiving surface 205a receiving scattered light obtained by irradiating the measurement particles passing through the flow cell D1 with the laser beam from the semiconductor laser 103. |
