An endoscope is a thin bundle of optical fibers that can
Chapter 34, Problem 34.29(choose chapter or problem)
An endoscope is a thin bundle of optical fibers that can be inserted through a bodily opening or small incision to view the interior of the body. As FIGURE 34.52 shows, an objective lens forms a real image on the entrance face of the fiber bundle. Individual fibers, using total internal reflection, transport the light to the exit face, where it emerges. The doctor (or a TV camera) observes the object by viewing the exit face through an eyepiece lens.
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