stimulated luminescence

简明释义

受激发光

英英释义

Stimulated luminescence refers to the emission of light from a material that occurs when it is excited by an external energy source, such as light or electrical stimulation.

激发光致发光是指材料在外部能量源(如光或电刺激)激发下发出的光。

例句

1.The researchers observed that the sample exhibited stimulated luminescence 激发光致发光 when exposed to a specific wavelength of light.

研究人员观察到样本在暴露于特定波长的光时表现出stimulated luminescence 激发光致发光

2.The use of stimulated luminescence 激发光致发光 can enhance the efficiency of solar cells.

使用stimulated luminescence 激发光致发光可以提高太阳能电池的效率。

3.In the lab, we used lasers to induce stimulated luminescence 激发光致发光 in various materials.

在实验室中,我们使用激光诱导各种材料中的stimulated luminescence 激发光致发光

4.The phenomenon of stimulated luminescence 激发光致发光 is crucial for developing new optical devices.

这种stimulated luminescence 激发光致发光现象对于开发新型光学设备至关重要。

5.Scientists are exploring the applications of stimulated luminescence 激发光致发光 in medical imaging technologies.

科学家们正在探索stimulated luminescence 激发光致发光在医学成像技术中的应用。

作文

The phenomenon of stimulated luminescence refers to the process in which certain materials emit light when they are stimulated by an external energy source. This process is crucial in various scientific and technological applications, including lasers, fluorescent lights, and certain types of sensors. The study of stimulated luminescence has led to significant advancements in fields such as photonics, optoelectronics, and even medical imaging. Understanding how this process works can provide insights into the behavior of electrons within atoms and molecules, and how they interact with photons.When a material undergoes stimulated luminescence, it typically absorbs energy from an external source, such as a photon or an electric field. This energy excites the electrons in the material, causing them to move to a higher energy state. When these excited electrons return to their original state, they release energy in the form of light. This emitted light can be of various wavelengths, depending on the properties of the material and the energy of the incoming stimulus.One of the most common examples of stimulated luminescence is found in lasers. In a laser, a gain medium is stimulated by an external energy source, such as an electrical current or another light source. The excited electrons in the gain medium then emit photons through the process of stimulated luminescence. These emitted photons can stimulate other excited electrons to emit more photons, leading to a chain reaction that results in a coherent beam of light. This principle is what makes lasers so powerful and useful in a wide range of applications, from cutting materials to performing delicate surgeries.Another application of stimulated luminescence is in fluorescent lighting. In these lights, a gas is ionized to produce ultraviolet (UV) light, which then stimulates a phosphor coating on the inside of the bulb. The phosphor emits visible light through the process of stimulated luminescence, providing an efficient means of illumination. This technology has revolutionized the way we light our homes and offices, offering a more energy-efficient alternative to traditional incandescent bulbs.In addition to practical applications, the study of stimulated luminescence also has implications for fundamental research in physics and chemistry. Scientists use this phenomenon to probe the electronic structure of materials and to understand the interactions between light and matter at a quantum level. By studying how different materials respond to various stimuli, researchers can develop new materials with tailored properties for specific applications.In conclusion, stimulated luminescence is a fascinating and important phenomenon that plays a critical role in both scientific research and practical applications. From the operation of lasers to the functionality of fluorescent lights, understanding this process allows us to harness the power of light in innovative ways. As technology continues to advance, the principles of stimulated luminescence will undoubtedly lead to new discoveries and applications that we have yet to imagine.

“刺激发光”现象指的是某些材料在外部能量源的刺激下发出光的过程。这个过程在激光器、荧光灯以及某些类型的传感器等多个科学和技术应用中至关重要。“刺激发光”的研究促成了光子学、光电学,甚至医学成像等领域的重大进展。理解这一过程的工作原理可以提供关于原子和分子内电子行为及其与光子相互作用的见解。当材料经历“刺激发光”时,通常会从外部源(如光子或电场)吸收能量。这种能量使材料中的电子兴奋,导致它们移动到更高的能量状态。当这些激发的电子返回到原始状态时,它们以光的形式释放能量。根据材料的特性和入射刺激的能量,这种发出的光可以具有不同的波长。“刺激发光”的一个常见例子是在激光中。在激光中,增益介质受到外部能量源(如电流或另一光源)的刺激。增益介质中的激发电子通过“刺激发光”发出光子。这些发出的光子可以刺激其他激发电子发出更多光子,从而导致链式反应,产生一束相干光。这一原理使得激光在从切割材料到进行精细手术的广泛应用中变得强大和有用。“刺激发光”的另一个应用是在荧光照明中。在这些灯中,一种气体被电离以产生紫外线(UV)光,然后刺激灯泡内部的磷光涂层。磷光通过“刺激发光”发出可见光,提供了一种高效的照明方式。这项技术彻底改变了我们照亮家庭和办公室的方式,提供了比传统白炽灯更节能的替代方案。除了实际应用外,“刺激发光”的研究对物理和化学的基础研究也有重要意义。科学家利用这一现象探测材料的电子结构,并理解光与物质在量子级别上的相互作用。通过研究不同材料对各种刺激的反应,研究人员可以开发出具有特定应用的新材料。总之,“刺激发光”是一个迷人且重要的现象,在科学研究和实际应用中发挥着关键作用。从激光器的运行到荧光灯的功能,理解这一过程使我们能够以创新的方式利用光的力量。随着技术的不断进步,“刺激发光”的原理无疑将引领我们发现和应用尚未想象的新事物。

相关单词

stimulated

stimulated详解:怎么读、什么意思、用法