A spectral coverage OCT imaging method and a system thereof based on optical scanning delay-lines
A technology of optical scanning and imaging methods, applied in the field of spectral domain OCT imaging methods and systems, can solve the problems of poor real-time performance of software dispersion compensation algorithms, achieve compactness and reliability, avoid algorithm errors, and eliminate coherent noise Effect
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[0027] The present invention will be further described below in conjunction with drawings and embodiments.
[0028] Such as figure 1 As shown, the present invention includes a broadband light source 1, an optical isolator 2, a broadband fiber coupler 3, four polarization controllers 4, a scanning probe 22, a detection unit 24 and an optical scanning delay line 23; The light enters the broadband fiber coupler 3 through the first polarization controller 4 and the optical isolator 2, and after splitting, one path passes through the second polarization controller 4 and enters the reference arm formed by the optical scanning delay line 23, and the other path passes through the third polarization The controller 4 enters the scanning probe 22, and the two paths of returning light interfere with the fourth polarization controller 4 to connect to the detection unit 24, and finally process it in the computer 21 to reconstruct the image.
[0029] The scanning probe 22: includes a collim...
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