laser beam divergence

简明释义

激光束发散

英英释义

例句

1.Optical engineers often calculate the laser beam divergence 激光束发散 to optimize performance in communication systems.

光学工程师通常计算激光束发散以优化通信系统的性能。

2.High laser beam divergence 激光束发散 can lead to loss of intensity over long distances.

高激光束发散可能导致在长距离上强度损失。

3.The laser beam divergence 激光束发散 is measured in milliradians and affects the focus of the laser.

激光束发散以毫弧度为单位测量，并影响激光的聚焦。

4.The laser beam divergence 激光束发散 affects the precision of laser cutting in manufacturing.

激光束的发散影响了制造过程中激光切割的精确度。

5.When setting up a laser projector, it is crucial to consider the laser beam divergence 激光束发散 to ensure a clear image.

在设置激光投影仪时，考虑激光束的发散至关重要，以确保图像清晰。

作文

Understanding the concept of laser beam divergence is crucial for anyone working with laser technology, whether in scientific research, medical applications, or industrial settings. Laser beam divergence refers to the phenomenon where a laser beam expands as it travels away from its source. This expansion occurs due to the wave nature of light and the finite size of the laser aperture. The degree of divergence is typically measured in milliradians (mrad) and can significantly affect the performance of laser systems.When a laser is emitted, it starts as a very narrow beam. However, as this beam propagates through space, it begins to spread out. The rate at which this spreading occurs is known as the laser beam divergence. A lower divergence angle means that the beam remains more focused over longer distances, making it ideal for applications requiring precision, such as laser cutting or laser surgery. Conversely, a higher divergence angle indicates that the beam will spread more quickly, which may be suitable for applications like laser pointers or certain types of lighting.One of the critical factors influencing laser beam divergence is the quality of the laser optics used. High-quality lenses can help minimize divergence by focusing the beam more effectively. Additionally, the wavelength of the laser light plays a role; shorter wavelengths tend to have lower divergence compared to longer wavelengths. This relationship is essential for engineers and scientists who design laser systems for specific tasks.In practical terms, understanding laser beam divergence is vital for calculating how far a laser can effectively project a beam before it becomes too diffuse to be useful. For instance, in telecommunications, lasers are used to transmit data over fiber optic cables. If the divergence is too high, the signal can weaken, leading to data loss or degradation. Therefore, engineers must consider divergence when designing systems to ensure optimal performance.Moreover, laser beam divergence also has implications for safety. As lasers can pose significant hazards, understanding how a beam diverges helps in establishing safe operating distances and protective measures. For example, a high-power laser with a large divergence angle may require more extensive safety protocols compared to a tightly focused laser.In conclusion, laser beam divergence is a fundamental concept in laser technology that affects various applications, from industrial manufacturing to medical procedures. By understanding how and why lasers diverge, professionals can better design systems, improve safety measures, and enhance the effectiveness of laser applications. As technology advances, the ability to control and manipulate laser beam divergence will continue to play a pivotal role in the development of new laser-based technologies.

理解激光束发散的概念对于任何从事激光技术工作的人来说都是至关重要的，无论是在科学研究、医学应用还是工业环境中。激光束发散是指激光束在离开其源头时扩展的现象。这种扩展是由于光的波动性质和激光孔径的有限大小而发生的。发散角度通常以毫弧度（mrad）为单位进行测量，并且可以显著影响激光系统的性能。当激光被发射时，它开始时是一束非常狭窄的光束。然而，随着这束光束在空间中的传播，它开始扩散。这个扩散的速度被称为激光束发散。较低的发散角意味着光束在较长的距离上保持更加集中，这使其适用于需要精确度的应用，例如激光切割或激光手术。相反，较高的发散角表明光束会更快地扩散，这可能适用于激光指示器或某些类型的照明。影响激光束发散的关键因素之一是所使用的激光光学的质量。高质量的透镜可以通过更有效地聚焦光束来帮助最小化发散。此外，激光光的波长也起着作用；较短的波长往往具有较低的发散性，这种关系对于设计特定任务激光系统的工程师和科学家至关重要。在实际应用中，理解激光束发散对于计算激光在多远的距离内能够有效投射光束至关重要，超过这个距离光束会变得太过扩散而无法使用。例如，在电信中，激光用于通过光纤传输数据。如果发散性过高，信号可能会减弱，导致数据丢失或退化。因此，工程师在设计系统时必须考虑发散性，以确保最佳性能。此外，激光束发散还对安全性产生影响。由于激光可能带来重大危险，理解光束如何发散有助于建立安全操作距离和保护措施。例如，一个具有大发散角的高功率激光可能需要比一个聚焦激光更广泛的安全协议。总之，激光束发散是激光技术中的一个基本概念，影响着从工业制造到医疗程序等各种应用。通过理解激光如何以及为什么会发散，专业人员可以更好地设计系统、改善安全措施并增强激光应用的有效性。随着技术的进步，控制和操纵激光束发散的能力将在新激光基础技术的发展中继续发挥关键作用。