optical absorption

简明释义

光学吸收

英英释义

例句

1.Researchers measured the optical absorption 光学吸收 of different dyes to determine their suitability for textiles.

研究人员测量了不同染料的光学吸收 optical absorption 以确定其在纺织品中的适用性。

2.Scientists are exploring the optical absorption 光学吸收 properties of nanomaterials for use in sensors.

科学家们正在探索纳米材料的光学吸收 optical absorption 特性，以用于传感器。

3.Understanding optical absorption 光学吸收 is essential for improving the efficiency of solar cells.

理解光学吸收 optical absorption 对提高太阳能电池的效率至关重要。

4.The optical absorption 光学吸收 spectrum helps identify the chemical composition of substances.

光学吸收 optical absorption 光谱有助于识别物质的化学成分。

5.The study of optical absorption 光学吸收 is crucial for developing new materials in photovoltaics.

研究光学吸收 optical absorption 对于开发新型光伏材料至关重要。

作文

Optical absorption is a fundamental phenomenon that occurs when light interacts with matter. This interaction leads to the conversion of light energy into other forms of energy, typically heat. In various fields such as physics, chemistry, and materials science, understanding optical absorption (光学吸收) is crucial for developing new technologies and improving existing ones. For instance, in solar energy applications, materials with high optical absorption (光学吸收) properties are essential for maximizing the efficiency of solar cells. These materials are designed to absorb as much sunlight as possible, converting it into electrical energy.In the context of semiconductors, optical absorption (光学吸收) plays a vital role in determining the electronic properties of the material. When photons with sufficient energy strike the semiconductor, they can excite electrons from the valence band to the conduction band, creating electron-hole pairs. This process is pivotal for the operation of devices like photodetectors and light-emitting diodes (LEDs). The efficiency of these devices largely depends on the optical absorption (光学吸收) characteristics of the materials used.Moreover, optical absorption (光学吸收) is not limited to solid materials; it also occurs in liquids and gases. For example, in atmospheric science, the optical absorption (光学吸收) of various gases affects the Earth's climate. Greenhouse gases absorb infrared radiation, contributing to the greenhouse effect and influencing global temperatures. Understanding how different gases absorb light at various wavelengths helps scientists predict climate change and develop strategies to mitigate its impacts.In addition to its scientific significance, optical absorption (光学吸收) has practical applications in everyday life. One common example is the use of colored glasses or filters. These materials are designed to selectively absorb certain wavelengths of light while allowing others to pass through. This principle is utilized in sunglasses, where specific wavelengths of harmful UV light are absorbed to protect our eyes. Similarly, in photography, filters that exploit optical absorption (光学吸收) are used to enhance images by controlling the light that reaches the camera sensor.The study of optical absorption (光学吸收) also extends to biological systems. For instance, chlorophyll in plants absorbs specific wavelengths of light to facilitate photosynthesis. This process is essential for life on Earth, as it converts sunlight into chemical energy, which is then used by plants and other organisms. Understanding the optical absorption (光学吸收) properties of chlorophyll and other pigments can lead to advances in agricultural practices and bioengineering.In conclusion, optical absorption (光学吸收) is a key concept that spans various disciplines and applications. From enhancing solar energy efficiency to understanding climate dynamics and improving everyday products, the implications of optical absorption (光学吸收) are vast and significant. As research continues to advance, the exploration of optical absorption (光学吸收) will undoubtedly lead to innovative solutions and a deeper understanding of the natural world.