Measurement apparatus

摘要

A measurement apparatus measures a spectroscopic characteristic and a structural characteristic of a specimen (E). At the measurement site of the specimen, a modulation of light from the light source part (1) by an acousto-optical effect and a generation of the ultrasound echo signal simultaneously occur, the light detecting means (5) detects modulated light (Iac) that is simultaneously generated, and the ultrasound detecting means (6) detects the ultrasound echo signal that is simultaneously generated.