ID |
原文 |
译文 |
41356 |
利用可变MOS电容的延迟电路实现了关断时间(Hold-off Time)的灵活调节。 |
A timing control circuit composed of the variable MOS capacitor is used to achieve hold-off time regulation. |
41357 |
仿真结果表明,所设计淬灭电路的淬灭时间和恢复时间分别为1.0和1.2ns,关断时间调节范围为1.02~3.55μs,可以满足自由运转CMOS SPAD的应用需求。 |
The simulation results show that the quenching time and reset time of the quenching circuit are 1.0 and 1.2 ns, respectively.The hold-off time can be varied in the range of 1.02~3.55μs, which can meet the requirements of free-running CMOS SPAD detectors. |
41358 |
针对1 064nm波段高灵敏激光测距应用,设计了一种由单光子雪崩光电二极管(SPAD)、微型热电制冷器(TEC)、主动淬灭主动恢复电路(AQAR)、温控单元、高压单元、FPGA等混合集成的高性能单光子探测器模块。 |
Aiming at the application of highly sensitive laser ranging in the 950~1 100 nm band, a high-performance single-photon photodetector module which is hybrid integrated with single-photon avalanche photodetector(SPAD), miniature thermoelectric cooler(TEC), active quenching and active recovery circuit(AQAR), temperature control unit, high-voltage unit and FPGA. |
41359 |
SPAD芯片采用了分离吸收渐变电荷倍增(SAGCM)的InGaAsP/InP材料结构设计, |
The SPAD chip adopts the InGaAsP/InP material structure design that separates and absorbs the gradual charge multiplication. |
41360 |
内部电场分布经Matlab软件仿真,结果显示该结构具有良好的增益特性。 |
The internal electric field distribution is simulated by Matlab software, and the results show that the structure has good gain characteristics. |
41361 |
SPAD芯片通过TEC制冷保持低温工作来降低暗计数以抑制器件的噪声。 |
The SPAD chip keeps working at low temperature through TEC refrigeration, reduces the dark count and improves the overall performance. |
41362 |
低延迟AQAR由高速比较器与宽带放大器构成,淬灭时间约为1.2ns,有效减少了后脉冲效应。 |
The low-latency AQAR is composed of a high-speed comparator and a bandwidth amplifier. |
41363 |
测试结果表明,在-30℃,探测效率为30.2%下,暗计数率仅为1.9kHz,在死时间为0.8μs时,后脉冲为10.4%。 |
The quenching speed is about 1.2 ns, which can effectively reduce the post-pulse effect.The test results show, the detection efficiency is 30.2% when the temperature is-30℃and the dark count rate is 1.9 kHz.The post pulse is 10.4% when setting the dead-time as 0.8μs. |
41364 |
通过集成化设计的单光子探测器模块具有探测效率高和暗计数率低的优势,能够满足小型化激光测距应用需求。 |
The designed detector characterized by high detection efficiency and low dark count rate, can be applied in miniaturized laser ranging. |
41365 |
光遗传学是一门涉及神经科学、光学、半导体光电子学及生物医学的交叉科学。 |
Optogenetics is an interdisciplinary subject consisting of neuroscience, optics, semiconductor optoelectronics and biomedical science. |