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    • Self-mixing imaging using a terahertz quantum cascade amplifier 

      Wallis, R; Ren, Yuan; Jessop, DS; Degl'Innocenti, Riccardo; A, Klimont; Beere, Harvey Edward; Ritchie, David Alastair (IEEE, 2015-10-31)
      We demonstrate a terahertz imaging system utilizing self-mixing in a 2.9 THz quantum cascade amplifier, through the use of an anti-reflection coated silicon lens to completely suppress lasing action. The fully exploited ...