Analysis device and analysis disc used for the same

An analysis device for irradiating an analysis disc having an analysis object therein with detection light and for reading a state of the analysis object, wherein

• the analysis device is capable of setting therein the analysis disc in which a first reading area having the analysis object and a second reading area not having the analysis object are recorded respectively in different diameter rages,
• the analysis device, comprising:
• a first pickup for irradiating the first reading area of the set analysis disc with detection light and detecting detection light from the first reading area, and
• a second pickup for irradiating the second reading area of the set analysis disc with detection light and detecting track information from detection light of the second reading area, wherein
• traverse control is performed so as to keep a constant interval in a radial direction of the analysis disc between the first pickup and the second pickup and integrally move the first and second pickups in the radial direction, and
• a tracking signal is supplied to a tracking actuator of the second pickup so as to drive an optical path of the second pickup in the radial direction of the analysis disc and trace a track, and a signal identical to the tracking signal of the second pickup is applied to a tracking actuator of the first pickup for driving an optical path of the first pickup in the radial direction of the analysis disc, so that the analysis object is read.