| CPC A61B 5/0066 (2013.01) | 12 Claims |
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1. An optical tomography device comprising:
a sample optical path system for injecting light scanned from a light source into a sample corresponding to a biological tissue;
a reference optical path system for collecting the light scanned from the light source; and
a detection unit for detecting a tomography image of the sample by combining sample light transmitted from the sample optical path system and reflected from the sample with reference light transmitted from the reference optical path system to each other,
wherein the detection unit comprises:
a spectrally dispersed beam generator transforming each of the sample light and the reference light to have a spread spectrum for each wavelength component and then collecting the lights,
a nonlinear beam generator including a nonlinear crystal for generating a nonlinear beam having a wavelength different from that of the sample light or the reference light by mixing the sample light and the reference light, incident thereon through the spectrally dispersed beam generator, and
an image acquirer detecting a depth direction signal from the nonlinear beam.
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