biconvex lens

简明释义

双凸透镜

英英释义

例句

1.In optical experiments, a biconvex lens is often used to demonstrate refraction.

在光学实验中，常常使用双凸透镜来演示折射现象。

2.The camera uses a biconvex lens to capture sharp images.

相机使用双凸透镜来捕捉清晰的图像。

3.A biconvex lens can converge light rays to a single point.

双凸透镜可以将光线汇聚到一个点上。

4.In a projector, the image is focused using a biconvex lens.

在投影仪中，图像是通过使用双凸透镜来聚焦的。

5.A magnifying glass typically contains a biconvex lens.

放大镜通常包含一个双凸透镜。

作文

A biconvex lens is a type of optical lens that is curved outward on both sides. This unique shape allows the lens to converge light rays that are passing through it, making it an essential component in various optical devices. Understanding the properties and applications of a biconvex lens can enhance our knowledge of optics and improve our ability to utilize these lenses effectively.The basic principle behind a biconvex lens is its ability to bend light. When parallel rays of light enter the lens, they are refracted, or bent, towards the center of the lens. As a result, the light rays converge at a point known as the focal point. The distance from the center of the lens to the focal point is called the focal length, which is a crucial characteristic of any lens. The shorter the focal length, the more powerful the lens is at converging light.One of the most common uses of a biconvex lens is in eyeglasses for people who are farsighted. Farsightedness occurs when the eye cannot focus on nearby objects clearly. By using a biconvex lens, the light rays that enter the eye are converged before they reach the retina, allowing for a clearer image of close objects. This application highlights the importance of understanding how a biconvex lens functions in everyday life.In addition to eyewear, biconvex lenses are widely used in cameras, microscopes, and telescopes. In cameras, for instance, a combination of different lenses, including biconvex lenses, helps to focus light onto the film or sensor, creating sharp images. Similarly, in microscopes, biconvex lenses are employed to magnify tiny specimens, allowing scientists to observe details that are not visible to the naked eye. Telescopes also utilize biconvex lenses to gather and focus light from distant stars and planets, enabling astronomers to explore the universe.Furthermore, the manufacturing process of a biconvex lens involves careful consideration of materials and precision shaping. Common materials used include glass and plastic, each offering different advantages regarding weight, durability, and optical clarity. The curvature of the lens must be meticulously crafted to ensure that it meets the desired specifications for focal length and light transmission. Advances in technology have significantly improved the production of biconvex lenses, making them more accessible and affordable for various applications.In conclusion, a biconvex lens is a vital element in the field of optics, with numerous applications in daily life and scientific research. Its ability to converge light makes it indispensable in devices such as eyeglasses, cameras, microscopes, and telescopes. Understanding the principles behind a biconvex lens not only enhances our appreciation of optical technologies but also equips us with the knowledge to make informed choices about the lenses we use. As we continue to explore the fascinating world of optics, the biconvex lens will undoubtedly remain a key topic of study and innovation.

biconvex lens 是一种光学透镜，其两侧均向外弯曲。这种独特的形状使透镜能够聚焦穿过它的光线，使其成为各种光学设备中的重要组成部分。理解和掌握biconvex lens的特性及应用，可以增强我们对光学的认识，并提高有效利用这些透镜的能力。biconvex lens的基本原理在于其弯曲光线的能力。当平行光线进入透镜时，它们被折射或弯曲，朝向透镜的中心。因此，光线在一个称为焦点的点上聚集。透镜中心到焦点的距离称为焦距，这是任何透镜的关键特性。焦距越短，透镜聚光的能力就越强。biconvex lens最常见的用途之一是在远视患者的眼镜中。远视是指眼睛无法清晰聚焦近处物体。通过使用biconvex lens，进入眼睛的光线在到达视网膜之前被聚焦，从而使近处物体的图像更加清晰。这一应用突显了理解biconvex lens在日常生活中功能的重要性。除了眼镜，biconvex lenses在相机、显微镜和望远镜中也被广泛使用。例如，在相机中，结合不同透镜，包括biconvex lenses，有助于将光线聚焦到胶卷或传感器上，从而创建清晰的图像。同样，在显微镜中，biconvex lenses被用来放大微小的标本，使科学家能够观察到肉眼无法看见的细节。望远镜也利用biconvex lenses收集和聚焦来自遥远星星和行星的光线，使天文学家能够探索宇宙。此外，biconvex lens的制造过程需要仔细考虑材料和精确成型。常用材料包括玻璃和塑料，各自提供不同的重量、耐用性和光学清晰度的优点。透镜的曲率必须经过精心制作，以确保其符合焦距和光传输的要求。技术的进步显著改善了biconvex lenses的生产，使其在各种应用中更易获取和负担得起。总之，biconvex lens是光学领域的重要元素，具有众多日常生活和科学研究中的应用。其聚焦光线的能力使其在眼镜、相机、显微镜和望远镜等设备中不可或缺。理解biconvex lens背后的原理不仅增强了我们对光学技术的欣赏，也使我们具备了做出明智选择的知识。随着我们继续探索光学的迷人世界，biconvex lens无疑将始终是研究和创新的关键主题。