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Assignment Many modern medical materials and equipment work on a principle which is beyond the capacity of human transducers. Comment and discuss the working principles of an endoscope, uteroscope or a rectoscope showing the illuminating path, the image p ....

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.... of light through hair-thin glass fibres. The clear advantages of fibre optics are too often obscured by concerns that may have been valid during the pioneering days of fibre, but that have since been answered by technical advances. Fibre is fragile An optical fibre has greater tensile strength than copper or steel fibres of the same diameter. It is flexible, bends easily, and resists most corrosive elements that attack copper cable. Optical cables can withstand pulling forces of more than 150 pounds. Fibre is hard to work with This myth derives from the early days of fibre optic connectors. Early connectors where difficult to apply; th ....