DEVICE FOR DIAGNOSIS USING BIOCHIPS Russian patent published in 2009 - IPC G01N33/483 G01N21/64 G02B21/00 G01J1/58 

FIELD: physics.

SUBSTANCE: device has an optical reception system, an illuminator, a sample positioning unit, which includes a reflecting element and a transparent carrier, placed one in front of the other along an optical axis. The working surface of the carrier is situated in the illumination zone of the first illuminator. The device has a second illuminator. The sample positioning unit is such that, a second transparent carrier can be installed under the surface of the first carrier along the optical axis. The working surface of the carrier is situated in a zone illuminated by the first and second illuminators. The illuminators have a light-absorbing layer for absorbing light reflected from the surface of the sample carrier and from the surface of the reflecting element.

EFFECT: use of the invention allows for illumination of the entire working area without reducing the signal to noise ratio.

13 cl, 10 dwg, 1 ex, 1 tbl