biconcave lens
简明释义
双凹面透镜
英英释义
A biconcave lens is a type of lens that is concave on both sides, causing light rays to diverge when they pass through it. | 双凹透镜是一种在两侧均为凹面的透镜,使光线通过时发生发散。 |
例句
1.The camera uses a biconcave lens to create a wider field of view.
这款相机使用凹透镜来创造更广阔的视野。
2.The optometrist prescribed glasses with a biconcave lens to correct my nearsightedness.
验光师开了配有凹透镜的眼镜来矫正我的近视。
3.When designing the microscope, the engineer chose a biconcave lens for better image clarity.
在设计显微镜时,工程师选择了凹透镜以获得更好的图像清晰度。
4.The biconcave lens is essential in optical instruments for correcting aberrations.
在光学仪器中,凹透镜对于修正像差是必不可少的。
5.In physics class, we learned how a biconcave lens diverges light rays.
在物理课上,我们学习了凹透镜如何使光线发散。
作文
A biconcave lens is a type of optical lens that has two inward-curving surfaces. This unique shape allows it to diverge light rays that are incident upon it. In the world of optics, understanding the properties and applications of a biconcave lens is essential for both scientific study and practical applications. The biconcave lens is often used in various optical devices, such as eyeglasses, microscopes, and cameras. Its ability to spread light makes it particularly useful in correcting nearsightedness, where it helps to project images onto the retina more accurately.The design of a biconcave lens is quite fascinating. When parallel rays of light pass through this lens, they are refracted outward, creating a virtual image that appears to be located behind the lens. This occurs because the lens causes the light rays to diverge, making them seem as if they are emanating from a point behind the lens. This property is what makes the biconcave lens an essential tool in optical systems, allowing for better image processing and manipulation.In practical terms, the biconcave lens is made from materials such as glass or plastic, which are chosen based on their refractive indices. The curvature of the lens can vary, influencing its focal length and the extent to which it can diverge light. For instance, a lens with a greater curvature will have a shorter focal length and will diverge light more dramatically than a lens with a gentler curve.Applications of the biconcave lens extend beyond vision correction. They are also utilized in laser technology, where they help to shape and direct laser beams. In scientific research, biconcave lenses are employed in experiments that require precise control over light paths, such as spectroscopy and microscopy. Their versatility makes them invaluable tools in laboratories and industrial settings alike.Moreover, the biconcave lens plays a critical role in educational settings. Students studying physics and optics often experiment with these lenses to better understand the principles of light refraction and image formation. By using a biconcave lens, students can observe firsthand how light behaves when it encounters different types of lenses, fostering a deeper comprehension of optical phenomena.In conclusion, the biconcave lens is more than just a simple piece of glass; it is a vital component in numerous optical systems, providing solutions for both everyday challenges and advanced scientific inquiries. Its ability to diverge light makes it indispensable in fields ranging from medicine to engineering. As technology continues to advance, the importance of understanding and utilizing the biconcave lens will only grow, ensuring its place in the future of optical innovation.
双凹透镜是一种光学透镜,具有两个向内弯曲的表面。这种独特的形状使其能够使入射光线发散。在光学世界中,理解和掌握双凹透镜的特性和应用对科学研究和实际应用至关重要。双凹透镜通常用于各种光学设备中,例如眼镜、显微镜和相机。它的发散光线的能力使其在矫正近视方面特别有用,帮助更准确地将图像投影到视网膜上。双凹透镜的设计非常迷人。当平行光线通过此透镜时,它们被折射向外,形成一个虚像,似乎位于透镜后面。这是因为透镜使光线发散,使它们看起来像是从透镜后面的某个点发出。这一特性使得双凹透镜成为光学系统中的重要工具,能够更好地处理和操控图像。在实际应用中,双凹透镜由玻璃或塑料等材料制成,这些材料根据其折射率进行选择。透镜的曲率可以变化,影响其焦距以及发散光线的程度。例如,曲率更大的透镜将具有更短的焦距,并且比曲率较小的透镜更剧烈地发散光线。双凹透镜的应用不仅限于视力矫正。它们还用于激光技术中,帮助塑造和引导激光束。在科学研究中,双凹透镜被用于需要精确控制光线路径的实验中,例如光谱学和显微镜学。它们的多功能性使其成为实验室和工业环境中不可或缺的工具。此外,双凹透镜在教育领域也发挥着关键作用。学习物理和光学的学生经常使用这些透镜进行实验,以更好地理解光的折射和图像形成的原理。通过使用双凹透镜,学生可以亲身观察光在遇到不同类型透镜时的行为,从而加深对光学现象的理解。总之,双凹透镜不仅仅是一块简单的玻璃;它是众多光学系统中的重要组成部分,为日常挑战和先进科学研究提供解决方案。它发散光线的能力使其在医学和工程等领域中不可或缺。随着技术的不断进步,理解和利用双凹透镜的重要性只会增加,确保其在光学创新未来中的地位。
相关单词