laser active medium

简明释义

激光活性媒质

英英释义

A laser active medium is a material that can amplify light through stimulated emission, typically consisting of atoms, ions, or molecules that can be excited to higher energy levels.

激光活性介质是一种能够通过受激发射放大光的材料,通常由可以被激发到更高能级的原子、离子或分子组成。

例句

1.Researchers are exploring new laser active media 激光增益介质 to improve laser performance.

研究人员正在探索新的laser active media 激光增益介质 以提高激光性能。

2.The choice of the laser active medium 激光增益介质 is crucial for achieving the desired wavelength.

选择合适的laser active medium 激光增益介质 对于实现所需波长至关重要。

3.In solid-state lasers, the laser active medium 激光增益介质 is usually a crystal or glass doped with ions.

在固态激光器中,laser active medium 激光增益介质 通常是掺有离子的晶体或玻璃。

4.Different types of laser active media 激光增益介质 can produce various laser colors.

不同类型的laser active media 激光增益介质 可以产生不同颜色的激光。

5.The efficiency of a laser depends significantly on the properties of its laser active medium 激光增益介质.

激光的效率在很大程度上取决于其laser active medium 激光增益介质 的特性。

作文

In the world of photonics, the concept of a laser active medium plays a crucial role in the generation of laser light. A laser active medium refers to the material that is capable of amplifying light through stimulated emission. This medium can be in various forms, such as gases, liquids, or solids, and it is essential for the functioning of a laser device. Understanding the properties and characteristics of different laser active mediums is vital for engineers and scientists who design and utilize lasers in various applications.The most common types of laser active mediums include gas lasers, solid-state lasers, and dye lasers. Gas lasers, like the helium-neon laser, use a mixture of gases as their laser active medium. When an electrical current passes through the gas, it excites the atoms, leading to the emission of coherent light. On the other hand, solid-state lasers, such as the ruby laser, use crystal or glass materials doped with rare earth elements or transition metals as their laser active medium. The interaction of light with these dopants results in the amplification of light, producing a powerful laser beam.Dye lasers represent another category where organic dyes are dissolved in a solvent, acting as the laser active medium. These lasers are notable for their ability to produce a wide range of wavelengths, making them highly versatile for various scientific applications, including spectroscopy and medical procedures.The efficiency of a laser active medium depends on several factors, including its absorption and emission spectra, the pump energy provided, and the temperature at which the laser operates. Engineers must carefully select the appropriate laser active medium for specific applications to ensure optimal performance. For instance, in telecommunications, fiber lasers utilizing silica fibers as the laser active medium have gained popularity due to their high efficiency and low loss of signal over long distances.Moreover, advances in technology have led to the development of new laser active mediums, such as semiconductor lasers, which use semiconductor materials as their laser active medium. These have revolutionized the field of optics and electronics by enabling compact and efficient laser sources that are widely used in consumer electronics, such as CD players and laser printers.In conclusion, the laser active medium is a fundamental component in the operation of lasers. Its properties determine the performance and application of the laser system. As research continues to evolve, new laser active mediums will emerge, offering enhanced capabilities and expanding the horizons of technology. Understanding the intricacies of these mediums will empower future innovations in fields ranging from medicine to telecommunications, illustrating the importance of the laser active medium in modern science and engineering.

在光子学的世界中,‘激光活性介质’的概念在激光光的产生中发挥着至关重要的作用。‘激光活性介质’是指能够通过受激发射放大光的材料。这种介质可以是气体、液体或固体的各种形式,它对激光设备的功能至关重要。理解不同‘激光活性介质’的性质和特征对于设计和利用激光的工程师和科学家来说是至关重要的。最常见的‘激光活性介质’类型包括气体激光器、固态激光器和染料激光器。气体激光器,如氦氖激光器,使用气体混合物作为其‘激光活性介质’。当电流通过气体时,它会激发原子,从而导致相干光的发射。另一方面,固态激光器,如红宝石激光器,使用掺有稀土元素或过渡金属的晶体或玻璃材料作为其‘激光活性介质’。光与这些掺杂物的相互作用导致光的放大,产生强大的激光束。染料激光器代表了另一类,其中有机染料溶解在溶剂中,作为‘激光活性介质’。这些激光器因其能够产生广泛波长而著称,使它们在包括光谱学和医疗程序等各种科学应用中高度多样化。‘激光活性介质’的效率取决于多个因素,包括其吸收和发射光谱、提供的泵浦能量以及激光运行的温度。工程师必须仔细选择适当的‘激光活性介质’以确保特定应用的最佳性能。例如,在电信中,利用二氧化硅光纤作为‘激光活性介质’的光纤激光器因其高效率和长距离低信号损失而受到欢迎。此外,技术的进步导致新型‘激光活性介质’的发展,例如半导体激光器,这些激光器使用半导体材料作为其‘激光活性介质’。这些激光器通过使紧凑和高效的激光源成为可能,彻底改变了光学和电子学领域,被广泛用于消费电子产品,如CD播放器和激光打印机。总之,‘激光活性介质’是激光操作中的基本组成部分。其性质决定了激光系统的性能和应用。随着研究的不断发展,新型‘激光活性介质’将不断涌现,提供增强的能力,扩展技术的视野。理解这些介质的复杂性将推动未来在医学、通信等领域的创新,说明了‘激光活性介质’在现代科学和工程中的重要性。

相关单词

laser

laser详解:怎么读、什么意思、用法