在毫克尔文温度下进行宽带光学调制和控制
N Tabassum1,2, T Aralis1,2, J Anczarski1,2
1SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
The Review of scientific instruments
|October 28, 2025
概括
研究人员开发了一种低温光学束方向系统,用于精确校准光子敏感探测器. 该系统能够准确地描述在能量检测值附近的冷设备上的辐射效应.
科学领域:
- 物理 物理学 物理
- 材料科学 材料科学 材料科学
- 低温生化技术 低温生化技术
背景情况:
- 对冷设备的辐射影响的研究需要精确地描述靠近能量检测值的位置依赖反应.
- 现有的方法在冷温度下准确测量设备性能方面面临挑战.
研究的目的:
- 开发和演示一种新的低温光学光束转向系统.
- 为了使光子敏感探测器在冷温度下能够精确校准和表征.
- 为了促进研究化传感器中的辐射效应和设备物理.
主要方法:
- 开发一个紧的低温光学光束方向系统.
- 产生低光子计数 (1.3-3.4 eV) 的微秒脉冲.
- 光纤传递光子到特定的探测器位置在低温温度.
主要成果:
- 该系统允许O ((μs) 脉冲光子传送到冷探测器.
- 证明了对光子敏感探测器,包括超导装置的强大校准能力.
- 从在室温和低于凯尔文度运行的第二代系统中获得的第一个结果.
结论:
- 开发的系统为校准低温探测器提供了重大进展.
- 允许详细调查辐射效应,传感器设计和基本物理.
- 为量子传感和探测器物理学中的各种应用提供了一种多功能工具.
相关概念视频
01:23Physical Methods for Controlling Microbial Growth: Temperature
891
Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
891
01:21Joule-Thomson Effect
8.8K
The Joule-Thomson effect, also known as the Joule-Kelvin effect, describes the temperature change of a fluid when it is forced through a valve or porous plug while keeping it in a thermally insulated environment. This experiment is called a throttling process. This is an important effect widely used in refrigeration and the liquefaction of gases.
This experiment forces high-pressure gas through a throttle valve or a porous plug to a lower-pressure region. The gas expands as it passes through to...
This experiment forces high-pressure gas through a throttle valve or a porous plug to a lower-pressure region. The gas expands as it passes through to...
8.8K