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Title of Journal: Opt Quant Electron

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Abbravation: Optical and Quantum Electronics

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Springer US

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DOI

10.1007/bf01307260

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1572-817X

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Characterization of a terahertz wave scanned imagi

Authors: İ Ozan Yıldırım V Ali Özkan Fırat İdikut Taylan Takan A Behzat Şahin Hakan Altan
Publish Date: 2016/06/30
Volume: 48, Issue: 7, Pages: 367-
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Abstract

A terahertz active scanned imaging system is developed in order to acquire images of various targets at standoff distances The images are analyzed with respect to the experimentally obtained beam profile at the target plane using a commercially available mmwave/terahertz camera The active scanning system utilizes a heterodyne continuous wave transceiver unit operating at 340 GHz and 2D optomechanical scanning of the target plane is performed using two large area mirror coupled galvanometers 340 GHz working frequency allows standoff imaging with adequate resolution with the help of a suitable optical design Results given here correspond to the imaging of various objects placed at least 120 cm away from the transceiver with a 5 × cm2 field of view Image resolution is about 06 cm in the horizontal 03 cm in the vertical direction which was assessed by analyzing the measured beam profiles on the target plane with a commercial mmwave/terahertz cameraThe author acknowledges support from MPNS COST ACTION MP 1204—TERAMIR RADIATION Materials Generation Detection and Applications This project is funded under Turkish Ministry of Science Industry and Technology Grant 0994STZ20112 This work was supported by the BAGEP Award of the Science Academy

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