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Hybrid Avalanche Photodiode ranging and photon-counting altimeter

机译:混合雪崩光电二极管测距和光子计数高度计

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摘要

Avalanche photodiodes are very well suited and extensively used for low light application. In this paper we present a device using avalanche photodiodes in conjunction with a pulsed laser-source to be used as an optical altimeter. The extreme sensitivity of a dedicated silicon SPAD array is combined with a versatile standard CMOS readout circuit to achieve unique performances. This imaging device is able to perform ranging with four centimeters accuracy over five kilometers distance. It is also capable of delivering quantum limited images. Development of the readout circuit will be disclosed as well as measurement results performed on the final device.
机译:雪崩光电二极管非常适合并广泛用于弱光应用。在本文中,我们提出了一种将雪崩光电二极管与脉冲激光源结合起来用作光学高度计的设备。专用硅SPAD阵列的极高灵敏度与通用的标准CMOS读出电路相结合,可实现独特的性能。该成像设备能够在五公里的距离内以四厘米的精度进行测距。它还能够提供量子受限的图像。将公开读出电路的开发以及在最终设备上执行的测量结果。

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