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   _____     ___     _    _     _____    _    _   
  / ___//   / _ \\  | || | ||  |  ___|| | \  / || 
  \___ \\  / //\ \\ | || | ||  | ||__   |  \/  || 
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 /____//  |_||  |_|| \____//   |_____|| |_|\/|_|| 
`-----`   `-`   `-`   `---`    `-----`  `-`  `-`

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發送短信 : Faraday rotation based optical fiber components