Abstract
A fiber-optic-bundle-based optical coherence tomography (OCT) probe method is presented. The experimental results demonstrate this multimode optical fiber-bundle-based OCT system can achieve a lateral resolution of 12 microm and an axial resolution of 10 microm with a superluminescent diode source. This novel OCT imaging approach eliminates any moving parts in the probe and has a primary advantage for use in extremely compact and safe OCT endoscopes for imaging internal organs and great potential to be combined with confocal endoscopic microscopy.
Highlights
Other noninvasive morphological imaging techniques such as x-ray radiography, magnetic resonance imaging (MRI), computed tomography (CT), and ultrasound imaging have been widely used in various clinical applications with resolutions ranging from 100 m to 1 mm
In this Letter we present a new fiber-bundle optical coherence tomography (OCT) imaging method with front-view scanning that consists of a fused coherent fiber bundle and an objective lens system
In the OCT image from the fundamental mode in the fiber, the dispersion could almost be compensated as shown in Fig. 3(b) and the resultant axial resolution where is the wavelength of light and d is the diameter of the fiber core
Summary
In this Letter we present a new fiber-bundle OCT imaging method with front-view scanning that consists of a fused coherent fiber bundle and an objective lens system. The scanning mechanism is placed at the proximal fiber-bundle entrance.
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