For panda and bowtie PM fibers, due to non-ideal coupling conditions, external stress on the fiber, and defects in the fiber, the polarization direction of part of the light will shift to the orthogonal direction, reducing the output extinction ratio.
Optical coherence tomography is a low-loss, high-resolution, non-invasive medical imaging technology developed in the early 1990s. It combines optical technology with ultrasensitive detectors. Using modern computer image processing, OCT fills the gap in resolution and imaging depth between microscopes and ultrasound imaging. The imaging resolution of OCT is about 10~15 μm, which is clearer than that of intravascular ultrasound (IVUS), but OCT cannot image through blood. Compared with IVUS, its tissue penetration ability is lower, and the imaging depth is limited to 1-2mm.
Optical fibers are made of glass or plastic. Most are about the diameter of a human hair, and they can be many miles long. Light travels along the center of the fiber from one end to the other, and a signal can be applied. Fiber optic systems are superior to metal conductors in many applications. Their biggest advantage is bandwidth. Because of the wavelength of light, signals containing more information can be transmitted than metal conductors (even coaxial conductors
Welcome to BoxOptronics Booth CIOE 2024
A laser that uses a doped fiber as a gain medium, or a laser whose laser resonator is mostly composed of fiber.
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