PROBLEM TO BE SOLVED: To provide a non-invasive constituent concentration measuring device and a method of controlling constituent concentration measuring device.SOLUTION: A blood constituent concentration measuring device is equipped with: a light generating section 11 as a light generating means generating light an optical modulation section 12 as an optical modulation means for electrically intensity-modulating the light generated at the light generating section 11 at a constant frequency an optical emitting section 13 as an optical emitting means emitting the intensity modulation light 1 intensity-modulated at the optical modulation section 12 to a biological specimen area 97 as a specimen and an ultrasonic detecting section 14 as a sound wave detecting means detecting the sound wave or the optoacoustic signal 3 emitted from the biological specimen area 97 where intensity-modulated light 1 is irradiated wherein an acoustic matching material of acoustic impedance nearly equal to the biological specimen area 97 and the biological specimen area 97 can be arranged in an interior portion 22 between the optical emitting section 13 and the ultrasonic detecting section 14.COPYRIGHT: (C)2010,JPO&INPIT【課題】非侵襲な成分濃度測定装置および成分濃度測定装置制御方法を提供することを目的とする。【解決手段】本発明に係る血液成分濃度測定装置は、光を発生する光発生手段としての光発生部11と、光発生部11の発生した光を一定周波数で電気的に強度変調する光変調手段としての光変調部12と、光変調部12の強度変調した強度変調光1を被検体としての生体被検部97に向けて出射する光出射手段としての光出射部13と、強度変調光1を照射された生体被検部97から放射される音波、すなわち光音響信号3を検出する音波検出手段としての超音波検出部14と、を備えた血液成分濃度測定装置であって、光出射部13と超音波検出部14との間である内部22に生体被検部97と略等しい音響インピーダンスの音響整合物質及び生体被検部97が配置可能となっている。【選択図】図23
