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. 2005 Jan 1;44(1):121-5.
doi: 10.1364/ao.44.000121.

Imaging at 3.4 Thz with a quantum-cascade laser

Danielle R Chamberlin  1 , Peter R Robrish, William R Trutna, Giacomo Scalari, Marcella Giovannini, Lassaad Ajili, Jerome Faist
Affiliations

Imaging at 3.4 Thz with a quantum-cascade laser

Danielle R Chamberlin et al. Appl Opt. .

Abstract

We have assembled a single-frequency imaging system at 3.4 THz with a quantum-cascade laser. Images of electronic and biological applications are demonstrated. We operate the laser with a peak output power of 2.5 mW at a 7% duty cycle and a 22 K operating temperature. The minimum spot size is 340 microm. The signal is detected with a single-element deuterated triglycine sulfate detector, and images are captured by scanning of the sample.

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