cryogenic bolometer

简明释义

低温测辐射热计

英英释义

例句

1.The research team used a cryogenic bolometer to measure the temperature fluctuations in deep space.

研究小组使用了一个低温光电探测器来测量深空中的温度波动。

2.Scientists are developing a new type of cryogenic bolometer for use in quantum computing experiments.

科学家们正在开发一种新型的低温光电探测器，用于量子计算实验。

3.In astrophysics, a cryogenic bolometer is essential for detecting faint signals from distant stars.

在天体物理学中，低温光电探测器对于探测来自遥远星星的微弱信号至关重要。

4.The performance of the cryogenic bolometer improved significantly after it was placed in a vacuum chamber.

将低温光电探测器放置在真空室后，其性能显著提高。

5.The cryogenic bolometer was calibrated to improve its sensitivity to infrared radiation.

该低温光电探测器经过校准，以提高其对红外辐射的灵敏度。

作文

In the realm of modern physics and engineering, the development of highly sensitive detection instruments has paved the way for groundbreaking discoveries. One such instrument that has gained significant attention is the cryogenic bolometer. A cryogenic bolometer (低温光电探测器) is a device used to measure the intensity of infrared radiation by detecting temperature changes in a material that absorbs this radiation. The principle behind its operation is based on the fact that when a material absorbs energy, its temperature rises, which can be measured accurately. This sensitivity makes cryogenic bolometers particularly useful in fields such as astrophysics, where detecting faint cosmic signals is essential.The key component of a cryogenic bolometer is its ability to operate at extremely low temperatures, often close to absolute zero. At these temperatures, the thermal noise is significantly reduced, allowing for more precise measurements. The materials used in a cryogenic bolometer are typically superconductors or semiconductors, which exhibit unique properties that enhance their sensitivity to temperature changes. For instance, when a photon hits the bolometer, it transfers energy to the material, causing a measurable increase in temperature. This change can then be translated into an electrical signal, which can be analyzed further.One of the most exciting applications of cryogenic bolometers is in the field of astronomy. Telescopes equipped with these detectors can observe celestial bodies that emit very low levels of infrared radiation. For example, studying the cosmic microwave background radiation, which is a remnant from the Big Bang, requires instruments that can detect incredibly faint signals. By utilizing cryogenic bolometers, astronomers can gather more accurate data about the universe's origins and its evolution over time.Furthermore, cryogenic bolometers have been instrumental in advancing technologies such as thermal imaging and spectroscopy. In thermal imaging, the ability to detect minute temperature variations allows for enhanced imaging capabilities in various applications, including security and surveillance. Spectroscopy, on the other hand, benefits from the high sensitivity of cryogenic bolometers to analyze materials based on their infrared signatures, providing valuable information about their composition and structure.Despite their advantages, the use of cryogenic bolometers also presents challenges. Operating at cryogenic temperatures requires sophisticated cooling systems, which can complicate the design and increase costs. Moreover, the calibration and maintenance of these devices demand a high level of expertise, making them accessible primarily to specialized research institutions.In conclusion, the cryogenic bolometer (低温光电探测器) represents a remarkable intersection of physics, engineering, and technology. Its ability to detect low levels of radiation with high precision opens up new frontiers in scientific research and practical applications. As advancements continue to be made in materials science and cryogenic technology, we can expect cryogenic bolometers to play an even more significant role in our understanding of the universe and the development of innovative technologies. The future holds exciting possibilities for this versatile instrument, promising to deepen our knowledge and expand our capabilities in various fields.

在现代物理和工程领域，高灵敏度探测仪器的发展为突破性发现铺平了道路。其中一个备受关注的仪器是低温光电探测器。低温光电探测器是一种用于通过检测吸收辐射的材料的温度变化来测量红外辐射强度的设备。其操作原理基于这样一个事实：当材料吸收能量时，其温度上升，这可以被准确测量。这种灵敏度使得低温光电探测器在天体物理学等领域特别有用，在这些领域，检测微弱的宇宙信号至关重要。低温光电探测器的关键组件是其在极低温下工作的能力，通常接近绝对零度。在这些温度下，热噪声显著降低，从而允许更精确的测量。用于低温光电探测器的材料通常是超导体或半导体，这些材料表现出独特的性质，增强了它们对温度变化的灵敏度。例如，当光子撞击探测器时，它将能量转移到材料中，导致可测量的温度升高。然后，这种变化可以转化为电信号，进一步分析。低温光电探测器最令人兴奋的应用之一是在天文学领域。配备这些探测器的望远镜可以观察发出非常低水平红外辐射的天体。例如，研究宇宙微波背景辐射，这是大爆炸的残余，需要能够检测极其微弱信号的仪器。通过利用低温光电探测器，天文学家可以收集关于宇宙起源及其演变过程的更准确数据。此外，低温光电探测器在推进热成像和光谱学等技术方面也发挥了重要作用。在热成像中，检测微小温度变化的能力允许在各种应用中增强成像能力，包括安全和监控。另一方面，光谱学受益于低温光电探测器对红外信号的高灵敏度，可以根据材料的红外特征分析材料，提供有关其组成和结构的宝贵信息。尽管有其优势，使用低温光电探测器也面临挑战。在低温下操作需要复杂的冷却系统，这可能会使设计复杂化并增加成本。此外，这些设备的校准和维护需要高水平的专业知识，使其主要可供专业研究机构使用。总之，低温光电探测器代表了物理学、工程学和技术的显著交汇点。其以高精度检测低水平辐射的能力为科学研究和实际应用开辟了新的前沿。随着材料科学和低温技术的不断进步，我们可以期待低温光电探测器在我们理解宇宙和开发创新技术方面发挥更重要的作用。未来对这一多功能仪器充满激动人心的可能性，承诺加深我们的知识并扩展我们在各个领域的能力。