CPC A61B 5/1455 (2013.01) [G01N 21/359 (2013.01); G01N 21/41 (2013.01)] | 14 Claims |
1. A biological. material measuring apparatus comprising:
an infrared light source configured to radiate infrared light in entirety or part of a wavelength region including absorption wavelengths of a biological material;
a prism configured to cause the infrared light radiated from the infrared light source to pass therethrough and emit the infrared light to a living body surface while being in contact with the living body surface;
a light source to radiate light of a wavelength in a visible light region or a near infrared region to the prism; and
a light position detector to detect a path of light from the light source by detecting whether light from the light source which is emitted from the prism includes refracted light.
|