stimulated emission

简明释义

受激照射

英英释义

Stimulated emission is the process by which an electron in a higher energy state is induced to drop to a lower energy state, releasing a photon of light that is coherent with the incoming light.

受激发射是指高能态的电子被诱导跃迁到低能态,释放出与入射光相干的光子。

例句

1.Scientists are exploring new materials that enhance stimulated emission (受激辐射) for more efficient lasers.

科学家们正在探索新材料,以增强受激辐射stimulated emission)以提高激光的效率。

2.The invention of the laser was made possible due to the understanding of stimulated emission (受激辐射).

激光的发明得益于对受激辐射stimulated emission)的理解。

3.The process of laser operation relies on the principle of stimulated emission (受激辐射) to amplify light.

激光操作的过程依赖于受激辐射stimulated emission)的原理来放大光。

4.In fiber optics, stimulated emission (受激辐射) is crucial for transmitting signals over long distances.

在光纤中,受激辐射stimulated emission)对于长距离传输信号至关重要。

5.In quantum mechanics, stimulated emission (受激辐射) occurs when an incoming photon causes an excited electron to drop to a lower energy state.

在量子力学中,受激辐射stimulated emission)发生在一个入射光子促使激发电子降到较低能态时。

作文

The concept of stimulated emission is fundamental to the field of quantum mechanics and plays a crucial role in the development of laser technology. To understand stimulated emission, we must first explore the basics of atomic structure and the behavior of electrons within atoms. Atoms consist of a nucleus surrounded by electrons that exist in various energy levels. When an electron absorbs energy, it can move to a higher energy level, a state known as excitation. However, this excited state is typically unstable, and the electron will eventually return to its ground state, releasing energy in the form of light or photons.The process of stimulated emission occurs when an incoming photon interacts with an excited electron. Instead of simply emitting a photon spontaneously as it returns to its ground state, the excited electron is stimulated by the incoming photon to drop to a lower energy level. This results in the release of a second photon that is coherent with the first, meaning they have the same phase, frequency, and direction. This phenomenon is what allows lasers to produce highly focused and intense beams of light.Lasers are utilized in a multitude of applications ranging from medical procedures to telecommunications. The efficiency and precision of lasers can be attributed to the principle of stimulated emission. For instance, in laser surgery, the focused beam can cut through tissue with minimal damage to surrounding areas. In telecommunications, lasers are used to transmit data over long distances through fiber optic cables, where the coherent light signals can travel with very little loss of information.Moreover, the understanding of stimulated emission has led to advancements in various technologies, including barcode scanners, laser printers, and even optical disc drives. Each of these devices relies on the coherent light produced by lasers to function effectively. As technology continues to evolve, the principles behind stimulated emission will likely lead to even more innovative applications.In summary, stimulated emission is not just a theoretical concept; it is a practical phenomenon that has transformed our technological landscape. By harnessing the power of stimulated emission, we have developed tools and technologies that enhance our daily lives and push the boundaries of what is possible in science and engineering. Understanding this concept is essential for anyone interested in the fields of physics, engineering, and technology, as it underpins many of the advancements we see today. As we continue to explore the quantum world, the implications of stimulated emission will undoubtedly lead to further discoveries and innovations in the future.

‘受激发射’的概念在量子力学领域中是基础性的,并在激光技术的发展中起着至关重要的作用。要理解‘受激发射’,我们首先必须探讨原子结构的基本知识以及电子在原子内的行为。原子由一个核和围绕其旋转的电子组成,这些电子存在于不同的能级。当电子吸收能量时,它可以跃迁到更高的能级,这一状态被称为激发。然而,这种激发状态通常是不稳定的,电子最终会返回到基态,以光或光子形式释放能量。‘受激发射’的过程发生在入射光子与激发电子相互作用时。激发电子不会像它自发回到基态那样简单地发射出光子,而是受到入射光子的刺激,降至较低的能级。这导致释放出第二个光子,该光子与第一个光子相干,这意味着它们具有相同的相位、频率和方向。这一现象使得激光能够产生高度聚焦和强烈的光束。激光在从医疗程序到电信的众多应用中都被利用。激光的效率和精确性可归因于‘受激发射’的原理。例如,在激光手术中,聚焦的光束可以以最小的损伤切割组织。在电信中,激光用于通过光纤电缆传输数据,其中相干光信号可以以非常少的信息损失进行传输。此外,对‘受激发射’的理解促进了各种技术的进步,包括条形码扫描仪、激光打印机甚至光盘驱动器。这些设备中的每一个都依赖于激光产生的相干光来有效运行。随着技术的不断发展,‘受激发射’背后的原理可能会导致更多创新的应用。总之,‘受激发射’不仅仅是一个理论概念;它是一种实际现象,已经改变了我们的技术格局。通过利用‘受激发射’的力量,我们开发了增强日常生活的工具和技术,并推动了科学和工程的可能性边界。理解这一概念对任何对物理学、工程和技术感兴趣的人来说都是必不可少的,因为它支撑着我们今天看到的许多进步。随着我们继续探索量子世界,‘受激发射’的影响无疑将导致未来更多的发现和创新。

相关单词

stimulated

stimulated详解:怎么读、什么意思、用法

emission

emission详解:怎么读、什么意思、用法