Rapid spectral detection system for frequency-domain optical coherence tissue tomography

Abstract

A rapid spectral detection system for frequency-domain optical coherence tissue tomography comprises a pedestal, and a spectral collimating unit, a spectral separating and adjusting unit, a spectral imaging unit, and a spectral signal acquisition unit which are orderly disposed on the pedestal; the pedestal has a V-shaped structure which comprises a first pedestal and a second pedestal, wherein the first pedestal is shorter than the second pedestal; the spectral collimating unit is disposed at the end part of the first pedestal; the spectral separating and adjusting unit is disposed at the joint of the first pedestal and the second pedestal; the spectral imaging unit is disposed on the second pedestal and is close to the spectral separating and adjusting unit; the spectral signal acquisition unit is disposed at the end part of the second pedestal. The invention can rapidly realize a structural parameter optimization adjustment scheme of spectral detection, allows the output of the spectrometer to reach an optimal state, and thus meets the requirements for precision and sensitivity of the OCT system detection.

Description

technical field [0001] The invention relates to a spectrum detection system, in particular to a fast spectrum detection system for frequency-domain optical coherent tissue tomography, which is based on FD-OCT and can extract interference spectrum related to tissue depth information. Background technique [0002] OCT (Optical coherence tomography) is a high-resolution nondestructive biomedical imaging technology developed in the early 1990s. It combines low-coherence interference technology, confocal microscopy, digital image processing and other technologies. up to several microns. Because OCT uses infrared light that is harmless to the human body as a light source, it has the advantages of no contact, no damage, rapid imaging and real-time monitoring, etc., and has been successfully applied in the field of biological tissue tomography. [0003] With the rapid development of OCT technology, the time-domain OCT technology based on delay line scanning to obtain tissue depth i...

AI Technical Summary

Problems solved by technology

[0003] With the rapid development of OCT technology, time-domain OCT technology based on delayed line scanning to obtain tissue depth information has the defect that the imaging speed cannot meet clinical needs due to the limitation of delay line scanning speed, and is gradually replaced by frequency-domain OCT technology.

Images