Optical fiber probe and variable-focus optical fiber OCT device based on adjustable mode field area
A technology of optical fiber probe and mode field area, which is applied in the fields of using spectrum diagnosis, medical science, and using tomography for diagnosis, etc., to achieve the effect of low control cost and low optimization difficulty
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[0029] like figure 1 and figure 2 As shown, the variable-focus optical fiber OCT device based on the adjustable mode field area of the present invention includes a broadband light source 1, a 980nm laser light source 2, a coupler 3, a reference arm optical path structure, a sample arm optical path structure, and spectral analysis components. The broadband light source 1 is used to emit a source beam, which is split into a first beam and a second beam by a coupler 3 . The laser light source 2 is used to emit pump light, the optical path structure of the sample arm adopts the optical fiber probe 10 as the sample arm, the first light beam enters the optical path structure of the reference arm, and the second light beam is coupled with the pump light emitted by the laser light source 2 and enters the sample arm The optical fiber probe 10 of the optical path structure realizes the adjustable focus of the optical fiber OCT device, and the spectral analysis component is used to r...
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