active laser substance

简明释义

激光皮捉质

英英释义

例句

1.The active laser substance in this device is a rare earth element.

该设备中的活性激光物质是一种稀土元素。

2.To achieve higher output power, we need to optimize the active laser substance used.

为了实现更高的输出功率，我们需要优化所使用的活性激光物质。

3.Different active laser substances can produce different wavelengths of light.

不同的活性激光物质可以产生不同波长的光。

4.The efficiency of the laser system depends on the quality of the active laser substance.

激光系统的效率取决于活性激光物质的质量。

5.Researchers are experimenting with new types of active laser substances to improve laser performance.

研究人员正在尝试新的类型的活性激光物质以提高激光性能。

作文

The field of laser technology has revolutionized many industries, from medicine to telecommunications. At the core of this technology lies the concept of an active laser substance, which is crucial for the generation of laser light. Understanding what an active laser substance is can provide valuable insights into how lasers work and their applications in various fields.An active laser substance refers to a medium that can amplify light through the process of stimulated emission. This medium can be a gas, liquid, or solid, and it contains atoms or molecules that are capable of being excited to higher energy levels. When these excited atoms return to their ground state, they release energy in the form of photons, which are the basic units of light. This process is fundamental to the operation of lasers, as it allows for the production of coherent light.One of the most common examples of an active laser substance is the gas helium-neon (He-Ne), which is often used in low-power lasers. In a He-Ne laser, the gas mixture is electrically excited, causing the helium atoms to transfer energy to the neon atoms. When the neon atoms return to their lower energy state, they emit photons that are amplified within the laser cavity, resulting in a focused beam of light. This type of laser is widely used in applications such as barcode scanners and laser pointers.Another well-known active laser substance is ruby, which is a solid-state laser material. Ruby lasers utilize chromium ions embedded in aluminum oxide crystals as the active laser substance. When the ruby is exposed to a strong light source, the chromium ions become excited and subsequently emit coherent light as they relax back to their ground state. Ruby lasers are notable for their deep red color and have been used in various applications, including surgical procedures and industrial cutting.In addition to gases and solids, there are also liquid active laser substances, such as dye lasers. These lasers use organic dyes as the active laser substance and are capable of producing a wide range of colors by tuning the dye solution. Dye lasers are particularly useful in scientific research and medical applications where specific wavelengths of light are required.The importance of active laser substances extends beyond just the generation of laser light. They also play a critical role in determining the properties of the laser, such as its wavelength, efficiency, and output power. Researchers are continually exploring new materials and combinations of active laser substances to develop more efficient and versatile lasers that can meet the demands of modern technology.In conclusion, the concept of an active laser substance is fundamental to understanding how lasers operate and their diverse applications. From gas mixtures like helium-neon to solid materials like ruby and liquid dyes, these substances enable the amplification of light through stimulated emission. As technology continues to advance, the study and development of new active laser substances will undoubtedly lead to even more innovative uses for lasers in our everyday lives.

激光技术领域已经彻底改变了许多行业，从医学到电信。该技术的核心概念是活性激光物质，它对于激光光的产生至关重要。理解什么是活性激光物质可以为我们提供有关激光如何工作及其在各个领域应用的宝贵见解。活性激光物质指的是一种通过受激发射过程能够放大光线的介质。这种介质可以是气体、液体或固体，并且它包含能够被激发到更高能级的原子或分子。当这些激发态的原子返回到基态时，它们以光子的形式释放能量，而光子是光的基本单位。这个过程是激光操作的基础，因为它允许产生相干光。最常见的活性激光物质之一是氦氖气体（He-Ne），它通常用于低功率激光。在He-Ne激光器中，气体混合物被电激发，使氦原子将能量转移给氖原子。当氖原子返回到较低能态时，它们发出在激光腔内被放大的光子，最终形成一束聚焦的光。这种类型的激光广泛用于条形码扫描仪和激光指示器等应用。另一个著名的活性激光物质是红宝石，它是一种固态激光材料。红宝石激光器利用嵌入铝氧化物晶体中的铬离子作为活性激光物质。当红宝石暴露在强光源下时，铬离子被激发，随后在回到基态时发出相干光。红宝石激光因其深红色而著称，被用于各种应用，包括外科手术和工业切割。除了气体和固体，还有液体活性激光物质，例如染料激光。这些激光使用有机染料作为活性激光物质，并能够通过调节染料溶液来产生广泛的颜色。染料激光在科学研究和医学应用中尤其有用，因为在这些领域需要特定波长的光。活性激光物质的重要性不仅仅限于激光光的生成。它们在决定激光的特性方面也发挥着关键作用，例如激光的波长、效率和输出功率。研究人员不断探索新的材料和活性激光物质的组合，以开发更高效和多功能的激光，以满足现代技术的需求。总之，活性激光物质的概念是理解激光操作及其多样化应用的基础。从氦氖气体混合物到红宝石等固体材料，再到液体染料，这些物质使得通过受激发射来放大光线成为可能。随着技术的不断进步，对新活性激光物质的研究和开发无疑将导致激光在我们日常生活中更具创新性的用途。