laser transition

简明释义

激光跃迁

英英释义

例句

1.Researchers are studying the laser transition 激光跃迁 rates to enhance the output power of lasers.

研究人员正在研究激光跃迁速率，以增强激光的输出功率。

2.Understanding the laser transition 激光跃迁 mechanisms can help in designing better optical devices.

理解激光跃迁机制可以帮助设计更好的光学设备。

3.The laser transition 激光跃迁 between energy levels is fundamental to laser operation.

能级之间的激光跃迁是激光操作的基础。

4.A better understanding of laser transition 激光跃迁 can lead to advancements in quantum computing.

对激光跃迁的更好理解可以推动量子计算的发展。

5.The efficiency of the laser transition 激光跃迁 process is crucial for improving laser performance.

激光跃迁过程的效率对于提高激光性能至关重要。

作文

The field of laser technology has revolutionized various industries, from medicine to telecommunications. One fundamental concept that underpins the operation of lasers is the idea of a laser transition. A laser transition refers to the process by which an electron in an atom or molecule moves between energy levels, emitting a photon in the process. This phenomenon is crucial for the generation of coherent light in lasers. Understanding laser transitions is essential for anyone interested in the principles of laser operation and its applications.To begin with, it is important to grasp the basic structure of an atom. Atoms consist of a nucleus surrounded by electrons that occupy various energy levels. When energy is applied to an atom, such as through electrical excitation or thermal energy, an electron can absorb this energy and transition to a higher energy level. This process is known as excitation. Once the electron is in this excited state, it will eventually return to its original lower energy level, releasing the absorbed energy in the form of a photon. This release of energy during the return to a lower energy state is what we refer to as a laser transition.The significance of laser transitions lies in their ability to produce light that is both coherent and monochromatic. Coherent light means that the light waves are in phase with one another, while monochromatic light refers to light that has a single wavelength. These properties make laser light distinct from ordinary light sources, which emit light at various wavelengths and phases.Lasers operate on the principle of stimulated emission, which is directly related to laser transitions. When an electron transitions back to a lower energy state, if there is already a photon present that matches the energy difference between the two states, the electron can be stimulated to emit a second photon. This newly emitted photon will have the same energy, phase, and direction as the stimulating photon, leading to a chain reaction that amplifies the light. This process is what allows lasers to produce such intense beams of light.In practical applications, laser transitions are utilized in various ways. In medical settings, lasers are used for precision surgeries, where the focused light can cut through tissue with minimal damage to surrounding areas. In telecommunications, lasers play a critical role in transmitting data over fiber optic cables, where the coherent light can travel long distances with minimal loss of signal. Additionally, lasers are used in manufacturing processes, such as cutting and engraving materials, due to their ability to deliver high energy to a precise location.In conclusion, the concept of a laser transition is foundational to understanding how lasers work and their wide-ranging applications in modern technology. By comprehending the mechanics behind laser transitions, we can appreciate the innovation and advancements that lasers have brought to various fields. As technology continues to evolve, the importance of mastering concepts like laser transitions will only increase, paving the way for new discoveries and applications in the future.

激光技术领域彻底改变了从医学到电信等各个行业。激光操作的一个基本概念是“激光跃迁”（laser transition）的概念。“激光跃迁”是指原子或分子中的电子在能量级之间移动的过程，并在此过程中发射出光子。这个现象对于激光中相干光的产生至关重要。理解“激光跃迁”（laser transition）对任何对激光原理及其应用感兴趣的人来说都是必不可少的。首先，了解原子的基本结构是很重要的。原子由一个核和围绕它旋转的电子组成，这些电子占据不同的能量级。当能量施加到原子上时，例如通过电激励或热能，电子可以吸收这种能量并跃迁到更高的能量级。这一过程被称为激发。一旦电子处于激发状态，它最终会返回到原来的较低能量级，释放吸收的能量，以光子的形式释放出来。在返回到较低能量状态的过程中释放的能量就是我们所称的“激光跃迁”（laser transition）。“激光跃迁”（laser transition）的重要性在于它们能够产生相干且单色的光。相干光意味着光波彼此同相，而单色光则指具有单一波长的光。这些特性使得激光光与普通光源发出的光截然不同，后者在各种波长和相位下发射光。激光的工作原理基于受激辐射，这与“激光跃迁”（laser transition）直接相关。当电子返回到较低的能量状态时，如果已经存在一个与两个状态之间的能量差匹配的光子，电子就会被激励以发射第二个光子。新发射的光子将具有与刺激光子相同的能量、相位和方向，从而导致链式反应，放大光线。这一过程使得激光能够产生如此强烈的光束。在实际应用中，“激光跃迁”（laser transition）以多种方式被利用。在医疗环境中，激光用于精确手术，其中聚焦光可以切割组织，同时对周围区域造成最小损伤。在电信领域，激光在光纤电缆中传输数据方面发挥着关键作用，其中相干光可以以极小的信号损失长距离传播。此外，激光还用于制造工艺中，例如切割和雕刻材料，因为它们能够将高能量精确地传递到特定位置。总之，“激光跃迁”（laser transition）的概念是理解激光如何工作及其在现代技术中广泛应用的基础。通过理解“激光跃迁”（laser transition）背后的机制，我们可以欣赏激光给各个领域带来的创新和进步。随着技术的不断发展，掌握像“激光跃迁”（laser transition）这样的概念的重要性只会增加，为未来的新发现和应用铺平道路。