21 May 2014 Image reconstruction method for non-synchronous THz signals
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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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