lasers

简明释义

英[ˈleɪzəz]美[ˈleɪzərz]

n. [激光]激光（laser 的复数）；[激光]激光器

v. 发射激光（laser 的三单形式）

英英释义

单词用法

同义词

反义词

例句

1."We have lasers in every supermarket checkout lane," Rigden said.

里格登说：“在每个超市收银台，我们都应用了激光。”

2.Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory lasers.

奥尔教授已经研发出了用现有的实验室激光给化学分子贴标签的有趣方法。

3.As the color of red and white lasers deepens, so does laser energy consumption rise, which becomes a disadvantage.

随着红色和白色激光颜色加深，激光耗能也在攀升，这就成为一个劣势。

4.They let us see their lasers.

他们让我看他们的激光。

5.Many lasers are pumped by light.

许多激光器是用光来激发的。

6.The bar codes on the products are read by lasers.

产品上的条形码是用激光读取的。

7.The security system employs lasers to detect unauthorized access.

安全系统使用激光来检测未经授权的访问。

8.Surgeons often use lasers to perform precise operations.

外科医生经常使用激光进行精确的手术。

9.Some optical devices utilize lasers to enhance signal clarity.

一些光学设备利用激光来增强信号清晰度。

10.In the lab, scientists experiment with lasers to study atomic particles.

在实验室，科学家们用激光研究原子粒子。

11.The new printer uses lasers for high-quality image printing.

这款新打印机使用激光进行高质量图像打印。

作文

In the realm of modern technology, few inventions have had as significant an impact as lasers (激光). From medical advancements to industrial applications, the versatility of lasers has revolutionized numerous fields. Understanding how lasers work and their various uses can provide insight into their importance in today’s world.At its core, a laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term 'laser' stands for 'Light Amplification by Stimulated Emission of Radiation.' This process involves exciting atoms or molecules to higher energy states and then allowing them to emit photons in a coherent beam. This coherence is what sets lasers apart from traditional light sources, making them incredibly powerful and focused.One of the most well-known applications of lasers is in the field of medicine. Surgical lasers (激光) are used for precise cutting and cauterization, minimizing damage to surrounding tissues. For example, in procedures like LASIK eye surgery, lasers reshape the cornea to correct vision, providing patients with quick recovery times and less discomfort compared to traditional methods. Additionally, lasers are employed in dermatology for skin resurfacing, tattoo removal, and treating various skin conditions, showcasing their versatility in cosmetic and medical treatments.Beyond medicine, lasers play a crucial role in manufacturing and industry. Industrial lasers are used for cutting, welding, and engraving materials with high precision. Their ability to focus energy on a small area allows for intricate designs and clean cuts, which are essential in producing components for everything from automobiles to electronics. Moreover, lasers are integral in quality control processes, where they help in measuring dimensions and detecting flaws in products.The communication industry has also benefited immensely from lasers. Fiber optic technology relies on lasers to transmit data over long distances at high speeds. By converting electrical signals into light, lasers enable the transfer of vast amounts of information across the globe, making internet connectivity faster and more reliable. This advancement has transformed how we communicate, stream media, and conduct business.Furthermore, lasers have found their way into entertainment and research. In the field of entertainment, lasers are used in light shows, concerts, and theatrical productions, creating stunning visual effects that captivate audiences. In scientific research, lasers are essential tools in experiments, allowing for precise measurements and observations in fields such as physics, chemistry, and biology.As we look to the future, the potential applications of lasers continue to expand. Researchers are exploring new ways to utilize lasers in areas like telecommunications, environmental monitoring, and even space exploration. For instance, lasers are being investigated for their ability to measure atmospheric gases, which could lead to better understanding and mitigation of climate change.In conclusion, lasers (激光) are an indispensable part of modern technology, influencing various sectors from healthcare to manufacturing and beyond. Their unique properties allow for innovative applications that improve our daily lives and push the boundaries of what is possible. As technology continues to advance, the role of lasers will undoubtedly grow, making them a fascinating subject of study and application for years to come.

在现代科技领域，少有发明对社会产生如此重大影响的，正如激光（lasers）。从医学进步到工业应用，激光的多功能性彻底改变了许多领域。理解激光的工作原理及其各种用途，可以让我们更深入地了解它们在当今世界的重要性。激光的核心是通过基于刺激辐射的光学放大过程发出光的设备。术语“激光”代表“通过刺激辐射放大光”。这个过程涉及将原子或分子激发到更高的能量状态，然后允许它们以相干光束发出光子。这种相干性使得激光与传统光源不同，使其具有极强的聚焦能力和强大能量。激光最著名的应用之一是在医学领域。外科激光（lasers）用于精确切割和止血，最小化对周围组织的损伤。例如，在LASIK眼科手术中，激光重塑角膜以矫正视力，为患者提供快速的恢复时间和比传统方法更少的不适。此外，激光还被用于皮肤科进行皮肤重塑、纹身去除和治疗各种皮肤病，展示了它们在美容和医疗治疗中的多样性。除了医学，激光在制造和工业中也发挥着至关重要的作用。工业激光用于切割、焊接和雕刻材料，具有高精度。它们能够将能量集中在小区域，使得复杂的设计和干净的切割成为可能，这对于生产从汽车到电子产品的组件至关重要。此外，激光在质量控制过程中也是不可或缺的工具，帮助测量尺寸和检测产品缺陷。通信行业也从激光中获益匪浅。光纤技术依赖于激光来以高速传输数据。通过将电信号转化为光，激光使得在全球范围内传递大量信息成为可能，从而使互联网连接更加快速和可靠。这一进步改变了我们沟通、流媒体和商业运作的方式。此外，激光已经进入娱乐和研究领域。在娱乐领域，激光用于灯光秀、音乐会和戏剧制作，创造出令人惊叹的视觉效果，吸引观众。在科学研究中，激光是实验中的重要工具，允许在物理、化学和生物等领域进行精确测量和观察。展望未来，激光的潜在应用仍在不断扩展。研究人员正在探索在电信、环境监测甚至太空探索等领域利用激光的新方法。例如，激光正在被研究用于测量大气气体，这可能有助于更好地理解和减缓气候变化。总之，激光（lasers）是现代科技中不可或缺的一部分，影响着从医疗保健到制造业等各个领域。它们独特的性质使得创新应用成为可能，改善了我们的日常生活，并推动了可能性的边界。随着科技的不断进步，激光的角色无疑会不断增长，使其成为未来几年值得研究和应用的迷人课题。