state the explain the working principle of optical fiber
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The optical fibre is a device which works on the principle of total internal reflection by which light signals can be transmitted from one place to another with a negligible loss of energy. Characteristics of Optical Fibre: It has a large bandwidth.
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Tʜᴇ ᴏᴘᴛɪᴄᴀʟ ғɪʙʀᴇ ɪs ᴀ ᴅᴇᴠɪᴄᴇ ᴡʜɪᴄʜ ᴡᴏʀᴋs ᴏɴ ᴛʜᴇ ᴘʀɪɴᴄɪᴘʟᴇ ᴏғ ᴛᴏᴛᴀʟ ɪɴᴛᴇʀɴᴀʟ ʀᴇғʟᴇᴄᴛɪᴏɴ ʙʏ ᴡʜɪᴄʜ ʟɪɢʜᴛ sɪɢɴᴀʟs ᴄᴀɴ ʙᴇ ᴛʀᴀɴsᴍɪᴛᴛᴇᴅ ғʀᴏᴍ ᴏɴᴇ ᴘʟᴀᴄᴇ ᴛᴏ ᴀɴᴏᴛʜᴇʀ ᴡɪᴛʜ ᴀ ɴᴇɢʟɪɢɪʙʟᴇ ʟᴏss ᴏғ ᴇɴᴇʀɢʏ. Cʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs ᴏғ Oᴘᴛɪᴄᴀʟ Fɪʙʀᴇ: Iᴛ ʜᴀs ᴀ ʟᴀʀɢᴇ ʙᴀɴᴅᴡɪᴅᴛʜ
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