Avalanche Photodiodes for Scintillating Fiber Detectors

* 9505294恩蒂内 该小型企业创新研究第二阶段项目将完成高性能精密光学传感器阵列的技术开发，能够“检测高能粒子与光纤探测器相互作用产生的非常快，非常低的光级信号”。 科学研究史上一些最雄心勃勃的项目现在正在地球仪各地的高光度粒子加速器设施中进行。 这些努力取得成功的关键是探测器的可用性，如那些建议。 目前，能够实现所需光学性能的唯一技术是检测器系统，其需要极其笨重且昂贵的低温冷却至液氦温度。 作为第一阶段研究的结果，发明了一种新技术，可以大大降低探测这种科学探索的核心微弱光学信号的费用和挑战。 该技术由独特的超高增益雪崩光电二极管阵列组成，其噪声非常低，可以在接近-50摄氏度的温度下工作，这是一个可以经济地达到的温度范围。 在第二阶段，将进行研究，以使这一性能已得到表征并超过最初预期的装置达到可以立即在许多高能设施中使用的程度。 这些新的光学传感器是如此敏感，他们将是有用的光学应用广泛，包括大型高能物理系统，卫星瞄准和通信和光纤数据系统。 ***

*** 9505294 Entine This Small Business Innovation Research Phase II project will complete the technical development of high performance arrays of sophisticated optical sensors, capable of' detecting the very fast, very low light level signals generated by the interaction of high energy particles with fiber optic detectors. Some of the most ambitious projects in the history of scientific research are now being undertaken at high luminosity particle accelerator facilities at various sites around the globe. Central to the success of these endeavors are the availability of detectors such as those proposed. Presently the only technology capable of achieving the required optical performance is a system of detectors which require extremely cumbersome and expensive cryogenic cooling to liquid helium temperatures. As a result of the Phase I research, a new technology has been invented which should greatly reduce the expense and challenge of detecting the faint optical signals central to such scientific quests. This technology consists of arrays of unique, super high gain avalanche photodiodes with such low noise that they can operate at temperatures near -50 degrees C, a temperature range which can be economically reached with little difficulty. In Phase II, research will be conducted to move this device, whose performance has been characterized and found to exceed initial expectations, to the point where it will be ready for immediate incorporation at many high energy facilities. These new optical sensors are so sensitive that they will be useful for a wide array of optical applications including large high energy physics systems, satellite aiming and communication and fiber optic data systems. ***