what is cost of optical fibre?
Answers
Explanation:
ᴏᴘᴛɪᴄᴀʟ ғɪʙʀᴇ: ᴀɴ ᴏᴘᴛɪᴄᴀʟ ғɪʙʀᴇ ɪs ᴀ ᴅᴇᴠɪᴄᴇ ʙᴀsᴇᴅ ᴏɴ ᴛᴏᴛᴀʟ ɪɴᴛᴇʀɴᴀʟ ʀᴇғʟᴇᴄᴛɪᴏɴ ʙʏ ᴡʜɪᴄʜ ᴀ ʟɪɢʜᴛ sɪɢɴᴀʟ ᴍᴀʏ ʙᴇ ᴛʀᴀɴsᴍɪᴛᴛᴇᴅ ғʀᴏᴍ ᴏɴᴇ ᴘʟᴀᴄᴇ ᴛᴏ ᴀɴᴏᴛʜᴇʀ ᴡɪᴛʜ ᴀ ɴᴇɢʟɪɢɪʙʟᴇ ʟᴏss ᴏғ ᴇɴᴇʀɢʏ. ɪᴛ ɪs ᴀ ᴠᴇʀʏ ʟᴏɴɢ ᴀɴᴅ ᴛʜɪɴ ᴘɪᴘᴇ ᴏғ ǫᴜᴀʀᴛᴢ (ɴ = 1.7) ᴏғ ᴛʜɪᴄᴋɴᴇss ɴᴇᴀʀʟʏ ≈ 10–4 ᴍ ᴄᴏᴀᴛᴇᴅ ᴀʟʟ ᴀʀᴏᴜɴᴅ ᴡɪᴛʜ ᴀ ᴍᴀᴛᴇʀɪᴀʟ ᴏғ ʀᴇғʀᴀᴄᴛɪᴠᴇ ɪɴᴅᴇx 1.5. ᴀ ʟᴀʀɢᴇ ɴᴜᴍʙᴇʀ
ᴏғ sᴜᴄʜ ғɪʙʀᴇs ʜᴇʟᴅ ᴛᴏɢᴇᴛʜᴇʀ ғᴏʀᴍ ᴀ ʟɪɢʜᴛ ᴘɪᴘᴇ ᴀɴᴅ ᴀʀᴇ ᴜsᴇᴅ ғᴏʀ ᴄᴏᴍᴍᴜɴɪᴄᴀᴛɪᴏɴ ᴏғ ʟɪɢʜᴛ sɪɢɴᴀʟs. ᴡʜᴇɴ ᴀ ʟɪɢʜᴛ ʀᴀʏ ɪs ɪɴᴄɪᴅᴇɴᴛ ᴏɴ ᴏɴᴇ ᴇɴᴅ ᴀᴛ ᴀ sᴍᴀʟʟ ᴀɴɢʟᴇ ᴏғ ɪɴᴄɪᴅᴇɴᴄᴇ, ɪᴛ sᴜғғᴇʀs ʀᴇғʀᴀᴄᴛɪᴏɴ ғʀᴏᴍ ᴀɪʀ ᴛᴏ ǫᴜᴀʀᴛᴢ ᴀɴᴅ sᴛʀɪᴋᴇs ᴛʜᴇ ǫᴜᴀʀᴛᴢ-ᴄᴏᴀᴛɪɴɢ ɪɴᴛᴇʀғᴀᴄᴇ ᴀᴛ ᴀɴ ᴀɴɢʟᴇ ᴍᴏʀᴇ
ᴛʜᴀɴ ᴛʜᴇ ᴄʀɪᴛɪᴄᴀʟ ᴀɴɢʟᴇ ᴀɴᴅ sᴏ sᴜғғᴇʀs ᴛᴏᴛᴀʟ ɪɴᴛᴇʀɴᴀʟ ʀᴇғʟᴇᴄᴛɪᴏɴ ᴀɴᴅ sᴛʀɪᴋᴇs ᴛʜᴇ ᴏᴘᴘᴏsɪᴛᴇ ғᴀᴄᴇ ᴀɢᴀɪɴ ᴀᴛ ᴀɴ ᴀɴɢʟᴇ ɢʀᴇᴀᴛᴇʀ ᴛʜᴀN ᴄʀɪᴛɪᴄᴀʟ ᴀɴɢʟᴇ ᴀɴᴅ sᴏ ᴀɢᴀɪɴ sᴜғғᴇʀs ᴛᴏᴛᴀʟ ɪɴᴛᴇʀɴᴀʟ ʀᴇғʟᴇᴄᴛɪᴏɴ.
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