band-gap laser action

简明释义

频带隙激光作用;

英英释义

例句

1.The application of band-gap laser action in photonic devices has opened new avenues for research.

在光子设备中应用带隙激光作用为研究开辟了新的途径。

2.Advancements in band-gap laser action have led to more efficient light sources for communication systems.

在带隙激光作用方面的进展使通信系统的光源更加高效。

3.The researchers discovered that the efficiency of the device increased significantly due to enhanced band-gap laser action.

研究人员发现，由于增强的带隙激光作用，设备的效率显著提高。

4.The team presented their findings on band-gap laser action at the international optics conference.

该团队在国际光学会议上展示了他们关于带隙激光作用的研究成果。

5.In semiconductor physics, understanding band-gap laser action is crucial for developing new laser technologies.

在半导体物理学中，理解带隙激光作用对于开发新激光技术至关重要。

作文

The concept of band-gap laser action is fundamental in the field of photonics and semiconductor physics. Essentially, it refers to the process by which lasers are able to emit light based on the electronic properties of materials. The term 'band gap' itself describes the energy difference between the valence band and the conduction band of a material. In simpler terms, it is the energy required for an electron to jump from being bound to an atom to being free to conduct electricity. This phenomenon plays a critical role in determining the optical properties of semiconductors used in laser technology.When a semiconductor material is subjected to external energy, such as electrical current or optical pumping, electrons can be excited from the valence band to the conduction band. This excitation creates electron-hole pairs that can recombine, releasing energy in the form of photons. The specific wavelengths of light emitted during this recombination depend largely on the size of the band-gap laser action of the semiconductor material. For example, materials with a larger band gap tend to emit light at shorter wavelengths, such as ultraviolet or blue light, while materials with smaller band gaps emit light at longer wavelengths, like infrared.One of the most significant applications of band-gap laser action is found in the development of laser diodes. These devices have become ubiquitous in modern technology, used in everything from barcode scanners and DVD players to fiber optic communication systems. The efficiency and performance of laser diodes are heavily influenced by the properties of the semiconductor materials used, particularly their band gaps. Engineers and scientists work meticulously to design and fabricate semiconductor structures that optimize the band-gap laser action for specific applications, ensuring that the desired wavelength and output power are achieved.Moreover, advancements in material science have led to the exploration of new semiconductor compounds that exhibit unique band-gap properties. For instance, quantum dots and other nanostructures have garnered attention for their tunable band gaps, which allow for the precise control of emitted light. This tunability opens up new possibilities for creating lasers that can operate across a wide range of wavelengths, making them suitable for various applications in telecommunications, medical devices, and even lighting technologies.In summary, understanding band-gap laser action is crucial for anyone involved in the fields of optics and electronics. It provides insights into how lasers function and how they can be optimized for different uses. As technology continues to evolve, the importance of mastering the principles behind band-gap laser action will only grow, paving the way for innovations that could revolutionize how we use light in our daily lives. From enhancing data transmission speeds to developing new medical imaging techniques, the implications of this knowledge are vast and far-reaching.

“带隙激光作用”的概念在光子学和半导体物理学领域中是基础性的。它指的是激光能够基于材料的电子特性发射光的过程。“带隙”一词本身描述了材料的价带与导带之间的能量差。在简单的术语中，它是电子从被束缚在原子上跃迁到可以导电的自由状态所需的能量。这种现象在决定用于激光技术的半导体的光学特性方面起着关键作用。当半导体材料受到外部能量（如电流或光泵浦）的作用时，电子可以从价带激发到导带。这种激发会产生电子-空穴对，这些对可以复合，释放出以光子的形式存在的能量。在这种复合过程中发出的特定光波长在很大程度上取决于半导体材料的带隙激光作用的大小。例如，具有较大带隙的材料往往会发出较短波长的光，如紫外线或蓝光，而带隙较小的材料则会发出较长波长的光，如红外线。带隙激光作用最重要的应用之一是在激光二极管的开发中。这些设备在现代技术中已变得无处不在，广泛用于从条形码扫描仪和DVD播放器到光纤通信系统等各种场合。激光二极管的效率和性能在很大程度上受所用半导体材料特性的影响，特别是它们的带隙。工程师和科学家们仔细设计和制造半导体结构，以优化带隙激光作用以满足特定应用的需求，确保实现所需的波长和输出功率。此外，材料科学的进步使得探索具有独特带隙特性的新的半导体化合物成为可能。例如，量子点和其他纳米结构因其可调节的带隙而受到关注，这使得能够精确控制发射的光。这种可调性为创建可以在广泛波长范围内工作的激光开辟了新的可能性，使其适用于电信、医疗设备甚至照明技术等各种应用。总之，理解带隙激光作用对于任何参与光学和电子学领域的人来说都是至关重要的。它提供了对激光如何工作以及如何优化激光以满足不同用途的洞察力。随着技术的不断发展，掌握带隙激光作用背后的原理的重要性只会增加，为可能彻底改变我们在日常生活中使用光的方式的创新铺平道路。从提高数据传输速度到开发新的医学成像技术，这一知识的影响是广泛而深远的。