beam divergence angle

简明释义

束立散角

英英释义

例句

1.The laser's beam divergence angle is crucial for determining how far the light will spread over a distance.

激光的光束发散角对于确定光在一定距离内的扩散程度至关重要。

2.When designing a projector, engineers must consider the beam divergence angle to ensure a clear image.

在设计投影仪时，工程师必须考虑光束发散角以确保图像清晰。

3.To achieve a precise focus, you need to minimize the beam divergence angle of your laser.

为了实现精确聚焦，您需要尽量减小激光的光束发散角。

4.The beam divergence angle affects the intensity of light at the target surface.

在目标表面，光束发散角会影响光的强度。

5.In optical communication, a smaller beam divergence angle can lead to more efficient signal transmission.

在光通信中，较小的光束发散角可以提高信号传输的效率。

作文

The concept of beam divergence angle is crucial in the fields of optics and laser technology. It refers to the angle at which a beam of light spreads out as it moves away from its source. Understanding this angle is essential for various applications, including telecommunications, laser cutting, and medical devices. The beam divergence angle can significantly influence the performance and efficiency of optical systems. For instance, a smaller divergence angle means that the light beam remains more focused over longer distances, which is desirable in applications such as laser pointers and fiber optic communication. Conversely, a larger divergence angle may be useful in applications where a wider area needs to be illuminated, such as in projectors or certain types of lighting. To calculate the beam divergence angle, one typically uses the formula: \[ \theta = \frac{2 \lambda}{D} \] where \( \theta \) is the divergence angle, \( \lambda \) is the wavelength of the light, and \( D \) is the diameter of the beam at its source. This formula highlights how both the wavelength of the light and the size of the beam's aperture affect the divergence. In practical terms, a laser with a shorter wavelength or a larger aperture will have a smaller beam divergence angle, allowing it to maintain focus over greater distances. In addition to its mathematical significance, the beam divergence angle has real-world implications. For example, in telecommunications, minimizing the divergence angle is critical for maintaining signal integrity over long distances. As the beam diverges, the intensity of the signal decreases, which can lead to data loss or degradation. Therefore, engineers often design systems that incorporate lenses or mirrors to control the divergence and ensure optimal performance. In the medical field, lasers are used for various procedures, such as surgery and cosmetic treatments. The beam divergence angle plays a key role in determining how precisely a laser can target tissue. A highly focused beam enables surgeons to perform delicate operations with minimal damage to surrounding areas. This precision is vital for patient safety and successful outcomes. Moreover, the beam divergence angle is not only relevant for lasers but also for other light sources like LEDs. While LEDs typically have a wider divergence angle than lasers, understanding and controlling this angle can enhance their effectiveness in applications like stage lighting or automotive headlights. By optimizing the divergence, designers can achieve better illumination and visibility. In conclusion, the beam divergence angle is a fundamental concept in optics that impacts various technologies and industries. Its importance cannot be overstated, as it affects everything from communication systems to medical procedures. As technology continues to advance, a deeper understanding of the beam divergence angle will enable further innovations and improvements in optical design and application. Engineers and scientists alike must continue to explore this area to harness its full potential, ensuring that we can create more efficient and effective optical systems for the future.

“光束发散角”这个概念在光学和激光技术领域至关重要。它指的是光束从源头移动时扩散的角度。理解这个角度对于各种应用至关重要，包括电信、激光切割和医疗设备。“光束发散角”会显著影响光学系统的性能和效率。例如，较小的发散角意味着光束在更长距离上保持更集中，这在激光指示器和光纤通信等应用中是可取的。相反，较大的发散角可能在需要照亮更广泛区域的应用中有用，例如投影仪或某些类型的照明。计算“光束发散角”通常使用公式：\[ \theta = \frac{2 \lambda}{D} \] 其中 \( \theta \) 是发散角，\( \lambda \) 是光的波长，\( D \) 是光束在其源头的直径。这个公式突显了光的波长和光束孔径大小如何影响发散。在实际应用中，具有较短波长或较大孔径的激光将具有较小的“光束发散角”，使其能在更大距离上保持聚焦。除了数学意义外，“光束发散角”还有现实世界的影响。例如，在电信中，最小化发散角对于维持长距离信号完整性至关重要。随着光束的发散，信号的强度降低，这可能导致数据丢失或退化。因此，工程师通常设计包含透镜或镜子的系统，以控制发散并确保最佳性能。在医疗领域，激光用于各种程序，如手术和美容治疗。“光束发散角”在确定激光如何精确瞄准组织方面发挥着关键作用。高度聚焦的光束使外科医生能够以最小的周围损伤进行精细操作。这种精确性对患者安全和成功结果至关重要。此外，“光束发散角”不仅与激光相关，还与其他光源如LED相关。虽然LED的发散角通常比激光宽，但理解和控制这个角度可以增强它们在舞台照明或汽车前灯等应用中的有效性。通过优化发散，设计师可以实现更好的照明和可见性。总之，“光束发散角”是光学中的一个基本概念，影响着各种技术和行业。它的重要性不可低估，因为它影响着从通信系统到医疗程序的一切。随着技术的不断进步，对“光束发散角”的更深入理解将使光学设计和应用的进一步创新和改进成为可能。工程师和科学家必须继续探索这一领域，以充分利用其潜力，确保我们能够为未来创建更高效、更有效的光学系统。