laser transition

简明释义

激光跃迁

英英释义

例句

1.The laser transition 激光跃迁 can be controlled by adjusting the external electric field applied to the material.

通过调整施加于材料的外部电场，可以控制激光跃迁。

2.In this experiment, we observed a significant increase in output power due to the optimized laser transition 激光跃迁 process.

在这个实验中，我们观察到由于优化的激光跃迁过程，输出功率显著增加。

3.Researchers are exploring new materials that exhibit faster laser transition 激光跃迁 times for improved laser performance.

研究人员正在探索新材料，这些材料表现出更快的激光跃迁时间，以改善激光性能。

4.Understanding the laser transition 激光跃迁 mechanisms is crucial for developing more efficient lasers.

理解激光跃迁机制对于开发更高效的激光器至关重要。

5.The research team is studying the effects of temperature on the laser transition 激光跃迁 rates in semiconductor materials.

研究团队正在研究温度对半导体材料中激光跃迁速率的影响。

作文

In the realm of modern physics and engineering, the concept of laser transition plays a pivotal role in understanding how lasers operate. A laser transition refers to the process by which electrons in an atom or molecule move between different energy levels, emitting or absorbing photons in the process. This phenomenon is fundamental to the functioning of lasers, as it is the mechanism that generates the coherent light that we associate with laser technology.To grasp the significance of laser transition, one must first understand the basic structure of atoms. Atoms consist of a nucleus surrounded by electrons that occupy specific energy levels. When an electron absorbs energy, it can move to a higher energy level, a state known as excitation. Conversely, when an electron loses energy, it returns to a lower energy level, often emitting a photon in the process. This emission of light is what we refer to as a laser transition when it occurs in a laser medium.Lasers utilize this principle to produce a highly focused beam of light. In a typical laser setup, a gain medium is excited by an external energy source, causing electrons to undergo laser transitions. As these excited electrons return to their original energy levels, they release photons that are in phase with each other. This coherence is what gives laser light its unique properties, such as monochromaticity and directionality.The efficiency and effectiveness of a laser depend significantly on the rate of laser transitions within the gain medium. Different materials have different energy level structures, which means that the wavelength of the emitted light can vary based on the type of laser used. For instance, helium-neon lasers emit red light due to the specific laser transitions occurring in the helium and neon gas mixture, while semiconductor lasers can emit light across a range of wavelengths depending on the semiconductor material used.Moreover, laser transitions are not just important in the context of traditional lasers; they also play a crucial role in various applications, including telecommunications, medicine, and manufacturing. In telecommunications, for example, fiber optic communication relies on lasers to transmit data over long distances, where the precision of laser transitions ensures minimal loss of information.In medical applications, lasers are used in procedures such as laser surgery, where the focused light can precisely cut or vaporize tissue with minimal damage to surrounding areas. The science behind these applications hinges on our understanding of laser transitions and how we can manipulate them to achieve desired outcomes.In conclusion, the concept of laser transition is fundamental to the operation of lasers and their numerous applications in technology and medicine. By understanding how laser transitions occur, we can harness the power of lasers to innovate and improve various fields. As research continues to advance, the potential for new laser technologies and applications will only expand, making the study of laser transitions an exciting area for future exploration and development.

在现代物理和工程领域，激光跃迁的概念在理解激光如何工作方面发挥着关键作用。激光跃迁指的是原子或分子中的电子在不同能级之间移动的过程，在此过程中发射或吸收光子。这一现象是激光功能的基础，因为它是产生我们所熟知的激光技术所需相干光的机制。要理解激光跃迁的重要性，首先必须了解原子的基本结构。原子由一个核和围绕它的电子组成，这些电子占据特定的能级。当电子吸收能量时，它可以移动到更高的能级，这种状态称为激发。相反，当电子失去能量时，它会回到较低的能级，通常在这个过程中发射一个光子。当这种情况发生在激光介质中时，我们称之为激光跃迁。激光利用这一原理产生高度聚焦的光束。在典型的激光装置中，增益介质受到外部能量源的激发，导致电子发生激光跃迁。当这些激发态电子返回到原来的能级时，它们释放出相位一致的光子。这种相干性使激光光具有独特的性质，如单色性和方向性。激光的效率和有效性在很大程度上取决于增益介质中激光跃迁的速率。不同材料具有不同的能级结构，这意味着发射光的波长可以根据使用的激光类型而有所不同。例如，氦氖激光器由于氦和氖气混合物中发生的特定激光跃迁而发出红光，而半导体激光器可以根据使用的半导体材料在不同波长范围内发光。此外，激光跃迁不仅在传统激光的背景下重要；它们还在各种应用中发挥着至关重要的作用，包括电信、医学和制造。在电信中，例如，光纤通信依赖于激光在长距离内传输数据，其中激光跃迁的精确性确保信息损失最小。在医学应用中，激光用于激光手术等程序，其中聚焦光可以精确地切割或蒸发组织，对周围区域造成的损伤最小。 这些应用背后的科学依赖于我们对激光跃迁的理解，以及我们如何操纵它们以实现期望的结果。总之，激光跃迁的概念对于激光的操作及其在技术和医学中的众多应用至关重要。通过理解激光跃迁是如何发生的，我们可以利用激光的力量来创新和改善各个领域。随着研究的不断进步，新激光技术和应用的潜力只会扩大，使得对激光跃迁的研究成为未来探索和发展的一个令人兴奋的领域。