absorption lifetime

简明释义

1. 吸收寿期; 2. 吸收寿命;

英英释义

例句

1.The absorption lifetime of the dye in the solution was measured to determine its stability.

溶液中染料的吸收寿命被测量以确定其稳定性。

2.The researchers noted that a longer absorption lifetime can lead to increased energy transfer efficiency.

研究人员指出，较长的吸收寿命可以提高能量转移效率。

3.Understanding the absorption lifetime is crucial for developing better solar cells.

理解吸收寿命对于开发更好的太阳能电池至关重要。

4.The absorption lifetime of the material was found to be temperature dependent.

该材料的吸收寿命被发现与温度有关。

5.In this experiment, we observed how the absorption lifetime affects the fluorescence intensity.

在这个实验中，我们观察到吸收寿命如何影响荧光强度。

作文

In the realm of physics and engineering, the concept of absorption lifetime plays a crucial role in understanding how materials interact with light and other forms of radiation. The term absorption lifetime refers to the average time that a photon or particle spends in an excited state before being absorbed by a material. This phenomenon is essential for various applications, including photovoltaics, lasers, and even biological systems. To grasp the significance of absorption lifetime, it is vital to consider its implications in different fields. For instance, in solar energy technology, the efficiency of solar cells heavily relies on how well they can absorb sunlight. A longer absorption lifetime means that photons have more time to interact with the semiconductor material, increasing the chances of generating electron-hole pairs. This process is fundamental for converting light into electricity. Therefore, researchers strive to develop materials with optimized absorption lifetime to enhance solar cell performance.Moreover, in the field of lasers, the absorption lifetime is critical in determining how quickly a laser can emit light. When a laser medium is pumped with energy, the atoms or molecules within it become excited. The absorption lifetime indicates how long these excited states remain before releasing energy in the form of coherent light. A shorter absorption lifetime allows for faster transitions and higher frequency output, which is desirable in many laser applications.In biological systems, the concept of absorption lifetime is equally important. For example, in the study of photosynthesis, plants utilize chlorophyll to absorb sunlight. The absorption lifetime of chlorophyll determines how efficiently plants convert light energy into chemical energy. If the absorption lifetime is too short, the energy may be lost as heat rather than being used for photosynthesis, ultimately affecting plant growth and productivity.The measurement of absorption lifetime can be achieved through various techniques, such as time-resolved spectroscopy. This method allows scientists to observe the dynamics of excited states and calculate their lifetimes. Understanding these dynamics is essential for developing new materials and technologies that rely on light-matter interactions.In conclusion, the concept of absorption lifetime is a fundamental aspect of many scientific and engineering disciplines. Its influence extends from renewable energy technologies to biological processes, highlighting the interconnectedness of light and matter. By understanding and manipulating absorption lifetime, we can innovate and improve various applications, paving the way for advancements in technology and sustainability.

在物理和工程领域，吸收寿命的概念在理解材料如何与光和其他形式的辐射相互作用中发挥着至关重要的作用。术语吸收寿命指的是光子或粒子在被材料吸收之前处于激发状态的平均时间。这种现象对于各种应用至关重要，包括光伏、激光甚至生物系统。为了掌握吸收寿命的重要性，考虑其在不同领域的影响是至关重要的。例如，在太阳能技术中，太阳能电池的效率在很大程度上依赖于它们吸收阳光的能力。较长的吸收寿命意味着光子有更多的时间与半导体材料相互作用，从而增加产生电子-空穴对的机会。这个过程对于将光转化为电力是基础。因此，研究人员努力开发具有优化的吸收寿命的材料，以提高太阳能电池的性能。此外，在激光领域，吸收寿命在确定激光发出光的速度方面至关重要。当激光介质被能量泵送时，其中的原子或分子会变得激发。吸收寿命表示这些激发态在以相干光的形式释放能量之前保持多长时间。较短的吸收寿命允许更快的跃迁和更高频率的输出，这在许多激光应用中是可取的。在生物系统中，吸收寿命的概念同样重要。例如，在光合作用的研究中，植物利用叶绿素吸收阳光。叶绿素的吸收寿命决定了植物将光能转化为化学能的效率。如果吸收寿命太短，能量可能会作为热量损失，而不是用于光合作用，最终影响植物的生长和生产力。吸收寿命的测量可以通过各种技术实现，例如时间分辨光谱法。这种方法允许科学家观察激发态的动态并计算它们的寿命。理解这些动态对于开发依赖于光-物质相互作用的新材料和技术至关重要。总之，吸收寿命的概念是许多科学和工程学科的基本方面。它的影响从可再生能源技术延伸到生物过程，突显了光与物质之间的相互联系。通过理解和操控吸收寿命，我们可以创新和改善各种应用，为技术和可持续发展铺平道路。