active laser element

简明释义

有源激光元件

英英释义

例句

1.In fiber lasers, the active laser element is typically a doped optical fiber.

在光纤激光器中，主动激光元件通常是掺杂的光纤。

2.To improve efficiency, we upgraded the active laser element in our laser cutter.

为了提高效率，我们升级了激光切割机中的主动激光元件。

3.The active laser element in this system is responsible for generating the laser beam.

这个系统中的主动激光元件负责产生激光束。

4.Testing the active laser element is crucial for ensuring the performance of the laser system.

测试主动激光元件对确保激光系统的性能至关重要。

5.The active laser element must be cooled properly to prevent overheating.

主动激光元件必须得到适当的冷却，以防过热。

作文

In the realm of modern technology, the importance of lasers cannot be overstated. From medical applications to industrial uses, lasers have revolutionized various fields. Central to the operation of a laser is the concept of the active laser element, which plays a crucial role in generating coherent light. The active laser element refers to the medium that is excited to produce laser light, typically composed of atoms, ions, or molecules that can be stimulated to emit photons. This process is known as stimulated emission, and it is the fundamental principle behind laser operation.The most common types of active laser elements include solid-state, gas, and semiconductor lasers. Solid-state lasers utilize a crystal or glass host doped with rare-earth or transition metal ions as the active laser element. For instance, neodymium-doped yttrium aluminum garnet (Nd:YAG) is a widely used solid-state laser that emits light at a wavelength of 1064 nm. This type of laser is favored for its efficiency and ability to produce high-intensity beams suitable for various applications, including surgery and materials processing.Gas lasers, on the other hand, use a mixture of gases as the active laser element. A well-known example is the carbon dioxide (CO2) laser, which emits infrared light and is commonly used in cutting and welding applications. The active laser element in this case is a gas mixture that, when electrically stimulated, produces a coherent beam of light. This type of laser is particularly effective for cutting through thick materials due to its high power output.Semiconductor lasers, often referred to as laser diodes, represent another category where the active laser element is made from a semiconductor material. These lasers are compact, efficient, and have become integral in consumer electronics, such as DVD players and laser printers. The active laser element in semiconductor lasers is typically a p-n junction that, when forward-biased, allows electrons and holes to recombine and emit light.Understanding the different types of active laser elements is essential for anyone interested in the field of optics or photonics. Each type of active laser element has its unique properties and advantages, making them suitable for specific applications. For example, while solid-state lasers offer high power and efficiency, gas lasers excel in producing high-quality cuts in materials. On the other hand, semiconductor lasers are prized for their compact size and versatility in electronic devices.Moreover, advancements in technology continue to enhance the capabilities of active laser elements. Researchers are constantly exploring new materials and configurations that can lead to more efficient and powerful lasers. This ongoing innovation not only expands the potential applications of lasers but also drives down costs, making laser technology more accessible across various industries.In conclusion, the active laser element is a fundamental component that underpins the functionality of lasers. Whether in solid-state, gas, or semiconductor forms, these elements are critical for generating the coherent light that lasers are known for. As technology progresses, the understanding and development of active laser elements will continue to play a pivotal role in shaping the future of numerous fields, from medicine to manufacturing and beyond.

在现代科技领域，激光的重要性不容小觑。从医疗应用到工业用途，激光已经彻底改变了多个领域。激光操作的核心概念是主动激光元件，它在产生相干光中起着至关重要的作用。主动激光元件是指被激发以产生激光光线的介质，通常由能够被刺激发射光子的原子、离子或分子组成。这个过程被称为受激发射，它是激光操作背后的基本原理。最常见的主动激光元件类型包括固态激光器、气体激光器和半导体激光器。固态激光器利用掺有稀土或过渡金属离子的晶体或玻璃基质作为主动激光元件。例如，掺钕钇铝石榴石(Nd:YAG)是一种广泛使用的固态激光器，其发射波长为1064纳米。这种类型的激光器因其高效能和能够产生适用于各种应用的高强度光束而受到青睐，包括手术和材料加工。另一方面，气体激光器使用气体混合物作为主动激光元件。一个众所周知的例子是二氧化碳(CO2)激光器，它发射红外光，通常用于切割和焊接应用。在这种情况下，主动激光元件是当电刺激时产生相干光束的气体混合物。这种类型的激光器特别适合于切割厚材料，因为其高功率输出。半导体激光器，通常称为激光二极管，代表了另一类，其中主动激光元件由半导体材料制成。这些激光器体积小、效率高，已成为消费电子产品的重要组成部分，如DVD播放器和激光打印机。半导体激光器中的主动激光元件通常是一个p-n结，当正向偏置时，允许电子和空穴复合并发出光。理解不同类型的主动激光元件对于任何对光学或光子学感兴趣的人来说都是至关重要的。每种类型的主动激光元件都有其独特的特性和优点，使其适合特定的应用。例如，固态激光器虽然提供高功率和效率，但气体激光器在材料切割方面表现优异。另一方面，半导体激光器因其紧凑的尺寸和在电子设备中的多功能性而受到推崇。此外，技术进步不断增强主动激光元件的能力。研究人员不断探索新的材料和配置，以实现更高效和更强大的激光。这一持续的创新不仅扩大了激光的潜在应用，还降低了成本，使激光技术在各个行业中更具可及性。总之，主动激光元件是支撑激光功能的基本组件。无论是固态、气体还是半导体形式，这些元件对于生成激光所知的相干光至关重要。随着技术的发展，对主动激光元件的理解和开发将继续在塑造众多领域的未来中发挥关键作用，从医学到制造业及其他领域。