In the coherence-optical device, light, with the aid of an interferometer, is used for distance-measuring and imaging purposes on reflecting and scattering areas of the human eye. The optimized device according to the invention consists of a tunable light source, matched to the sought-after measurement region ZOCT, with a resonator length LR, an interferometric measurement arrangement, a data capturing unit for capturing the light portions scattered back from the sample and a data processing unit. Here the resonator length LR of the tunable light source is matched not only to the sought-after measurement region ZOCT, but also to the entire interferometric measurement arrangement such that disturbance points present in the interferometric measurement arrangement cannot create disturbance signals in the sought-after measurement region ZOCT. The present invention relates to a device for SS OCDR and SS OCT and is provided for whole-eye scans of the human eye, particularly in ophthalmology. However, in principle, the device can also be used in other technical fields in which distances should be measured with great precision by means of interferometry.
OPTIMIZED DEVICE FOR SWEPT SOURCE OPTICAL COHERENCE DOMAIN REFLECTOMETRY AND TOMOGRAPHY