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Q) How can you produce an endoscopic image that is free of black dots due to...

Q) How can you produce an endoscopic image that is free of black dots due to gabs between optical fibers?

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-Using the camera internally.
- Using new materials (silicon)
-Image improvement

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Answer #1

Ans) An endoscope is an instrument used by doctors, has a bundle of optical fibres which are used with lenses to see inside the patient's body. Endoscopes work on total internal reflection phenomenon. The difference in refractive index of the cladding and the core allows total internal reflection to happen.

- The principle of total internal reflection is used in the endoscope by using the optical fibres. One of the two main cables of the endoscope carry light from a bright lamp into the body. This illuminates the cavity where the endoscope has been inserted.

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