INTERFEROMETER DEVICE (VERSIONS) Russian patent published in 2006 - IPC G01B9/02 G01J9/02 

FIELD: interferometers.

SUBSTANCE: interferometer devices offered are supposed to be used for examining internal structure of object by means of optical coherent tomography method when ability of controlling location of view area boundary is provided as well as ability of correction of distortion of tomography image of cross-section of object which correction is caused by aberration of optical path length for low-coherent optical radiation directed onto object to be examined if aberration is provided by lateral scanning. According to versions of the device, one or two fiber-optic controlled scanners offer the service of scanning of coherent window of low-coherent optical radiation deep inside tested object within view area, the service of control of view area boundary location and service of compensation of optical path length aberration for low-coherent optical radiation directed onto tested object if aberration is provided by lateral scanning. The services are performed due to corresponding control voltages. According to preferable version of interferometer device, fiber-optic controlled scanner is realized in form of fiber-optic piezoelectric controlled delay line.

EFFECT: widened range of interferometer devices; simplified exploitation.

43 cl, 5 dwg