Real-time imaging using a 4.3-THz quantum cascade laser and a 320 x 240 microbolometer focal-plane array
Real-time imaging using a 4.3-THz quantum cascade laser and a 320 x 240 microbolometer focal-plane array
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DOI：
10.1109/lpt.2006.877220
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发表时间：
2006-07-01
影响因子：
2.6
通讯作者：
Reno, John L.
中科院分区：
文献类型：
--
作者：
Lee, Alan W. M.;Williams, Benjamin S.;Reno, John L.
我们报告使用类似 50 mW 峰值功率 4.3 THz 量子级联激光器 (QCL) 作为照明源，通过 320 x 240 元件室温微测辐射热计焦平面阵列探测器进行实时成像。 QCL 与焦平面阵列同步调制，用于差分成像。在 20 帧/秒的采集速率下实现了类似于 340 的信噪比，并且探测器阵列在 4.3 THz 下的光噪声等效功率估计类似于 320 pW/root Hz。演示了反射和透射模式成像。
We report the use of a similar to 50-mW peak power 4.3-THz quantum cascade laser (QCL) as an illumination source for real-time imaging with a 320 x 240 element room-temperature microbolometer focal-plane array detector. The QCL is modulated synchronously with the focal-plane array for differential imaging. Signal-to-noise ratios of similar to 340 are achieved at a 20-frame/s acquisition rate, and the optical noise equivalent power of the detector array at 4.3 THz is estimated to be similar to 320 pW/root Hz. Both reflection and transmission mode imaging are demonstrated.