Optical detection apparatus, optical detection method, and microfluidic system including the optical detection apparatus

A microfluidic system comprising a disk-type microfluidic apparatus comprising at least one detection chamber in which a sample is to be loaded and an optical detection apparatus which optically measures a property of the sample contained in the detection chamber, the optical detection apparatus comprising:

• at least one light emission unit which emits light of a predetermined wavelength band;
• at least one light receiving unit which is disposed such that the light receiving unit receives the light emitted from the light emission unit and generates an electrical signal according to the intensity of the light received, wherein the number of light receiving units is the same as the number of light emission units;
• a rotation operating unit which rotates the disk-type microfluidic apparatus such that the detection chamber is disposed in a light pathway between the light emission unit and the light receiving unit;
• and
• a processor which measures the property of the sample contained in the detection chamber using the electrical signal generated by the light receiving unit.

An optical detection method comprising:

• positioning a detection chamber of a disk-type microfluidic apparatus containing a sample in a light pathway between a light emission unit and a light receiving unit;
• emitting light of a predetermined wavelength band towards the detection chamber, using the light emission unit;
• receiving the light which has passed through the detection chamber and converting the light into an electrical signal, using the light receiving unit;
• and
• measuring a property of the sample contained in the detection chamber using the electrical signal.