An optical fibre is a thin, transparent fibre, usually made of glass or plastic, for transmitting light. The construction of a single optical fibre. The basic functional structure of an optical fiber consists of an outer protective cladding and an inner core through which light pulses travel.
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Explanation:
long thin thread of glass through which information, sound, data, etc. can be sent in the form of light
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An optical fibre is a thin, transparent fibre, usually made of glass or plastic, for transmitting light. The construction of a single optical fibre. The basic functional structure of an optical fiber consists of an outer protective cladding and an inner core through which light pulses travel.