21 May 2014 Image reconstruction method for non-synchronous THz signals
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Abstract
Image reconstruction method for non-synchronous THz signals was developed for a combination of THz Free Electron Laser (THz-FEL) developed by Osaka University with THz imager. The method employs a slight time-difference between repetition period of THz macro-pulse from THz-FEL and a plurality of frames for THz imager, so that image can be reconstructed out of a predetermined number of time-sequential frames. This method was applied to THz-FEL and other pulsed THz source, and found very effective. Thermal time constants of pixels in 320x240 microbolometer array were also evaluated with this method, using quantum cascade laser as a THz source.
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Naoki Oda, Naoki Oda, Syuichi Okubo, Syuichi Okubo, Takayuki Sudou, Takayuki Sudou, Goro Isoyama, Goro Isoyama, Ryukou Kato, Ryukou Kato, Akinori Irizawa, Akinori Irizawa, Keigo Kawase, Keigo Kawase, } "Image reconstruction method for non-synchronous THz signals", Proc. SPIE 9102, Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense, 910202 (21 May 2014); doi: 10.1117/12.2049305; https://doi.org/10.1117/12.2049305
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