optical excitation

简明释义

光激励

英英释义

例句

1.The phenomenon of optical excitation plays a crucial role in photochemistry.

光学激发现象在光化学中起着至关重要的作用。

2.In laser spectroscopy, optical excitation is used to probe molecular vibrations.

在激光光谱学中，光学激发用于探测分子振动。

3.Researchers are exploring new materials that enhance optical excitation for better light emission.

研究人员正在探索新材料，以增强光学激发以获得更好的光发射。

4.The efficiency of solar cells can be improved by optimizing optical excitation processes.

通过优化光学激发过程，可以提高太阳能电池的效率。

5.The process of optical excitation allows us to study the electronic properties of materials.

通过光学激发的过程，我们可以研究材料的电子特性。

作文

In the field of physics and materials science, the term optical excitation refers to the process by which electrons in a material are elevated to a higher energy level through the absorption of light. This phenomenon is fundamental to understanding how various materials interact with electromagnetic radiation, particularly in the visible spectrum. When light strikes a material, it can impart energy to the electrons, causing them to transition from a lower energy state to an excited state. This process is crucial for many applications, including photovoltaics, photonics, and laser technology.The concept of optical excitation is not only significant in theoretical studies but also has practical implications. For instance, in solar cells, the efficiency of converting sunlight into electricity largely depends on how well the materials used can undergo optical excitation. When photons from sunlight hit the semiconductor material, they excite the electrons, allowing them to flow and create an electric current. Thus, the design of materials that can effectively harness optical excitation is a key area of research in renewable energy.Moreover, optical excitation plays a vital role in the development of lasers. In laser technology, specific materials are chosen based on their ability to undergo optical excitation efficiently. When these materials are pumped with energy, they emit coherent light through stimulated emission, a process that relies heavily on the initial excitation of electrons. This principle underlies the operation of various types of lasers used in medicine, telecommunications, and manufacturing.Additionally, understanding optical excitation is essential for advancements in nanotechnology. Nanomaterials often exhibit unique optical properties due to their size and structure, which can lead to enhanced optical excitation processes. Researchers are exploring how these properties can be harnessed for applications such as sensors, imaging systems, and drug delivery mechanisms. The ability to manipulate optical excitation at the nanoscale opens up new possibilities for innovation in multiple fields.In conclusion, optical excitation is a critical concept that bridges theoretical physics and practical applications across various domains. Its implications range from improving solar energy conversion to advancing laser technology and exploring nanomaterials. As research continues to evolve, the understanding and application of optical excitation will undoubtedly lead to new discoveries and technological advancements, underscoring its importance in the modern scientific landscape.

在物理学和材料科学领域，术语光激发指的是通过吸收光线使材料中的电子提升到更高能级的过程。这一现象对于理解各种材料如何与电磁辐射，特别是可见光谱中的光相互作用至关重要。当光照射到材料上时，它可以将能量传递给电子，使其从较低的能态跃迁到激发态。这个过程对许多应用至关重要，包括光伏、光子学和激光技术。光激发的概念不仅在理论研究中具有重要意义，而且在实际应用中也有深远的影响。例如，在太阳能电池中，将阳光转化为电能的效率在很大程度上取决于所用材料是否能够有效地进行光激发。当阳光中的光子击中半导体材料时，它们激发电子，使其流动并产生电流。因此，设计能够有效利用光激发的材料是可再生能源研究的关键领域。此外，光激发在激光技术的发展中也起着至关重要的作用。在激光技术中，选择特定材料是基于它们能够高效进行光激发的能力。当这些材料被能量激发时，它们通过受激发射发出相干光，这一过程在很大程度上依赖于电子的初始激发。这个原理是医疗、通信和制造等多个领域中各种类型激光器操作的基础。此外，理解光激发对于纳米技术的进步至关重要。纳米材料由于其尺寸和结构的原因，往往表现出独特的光学特性，这可能导致增强的光激发过程。研究人员正在探索如何利用这些特性用于传感器、成像系统和药物输送机制等应用。在纳米尺度上操控光激发的能力为多个领域的创新开辟了新的可能性。总之，光激发是一个关键概念，连接了理论物理和各个领域的实际应用。它的影响范围从提高太阳能转化效率到推动激光技术发展，再到探索纳米材料。随着研究的不断发展，对光激发的理解和应用无疑将引领新的发现和技术进步，强调了其在现代科学领域的重要性。