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

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發送短信 : Amplification of evanescent waves in a lossy left-handed material slab