biconcave lens

简明释义

双凹透镜

英英释义

例句

1.When designing a telescope, incorporating a biconcave lens 凹透镜 can improve the field of view.

在设计望远镜时，加入一个凹透镜 biconcave lens 可以改善视野。

2.A biconcave lens 凹透镜 is often used in optical devices to diverge light rays.

在光学设备中，凹透镜 biconcave lens 常用于使光线发散。

3.Using a biconcave lens 凹透镜 in eyeglasses can help correct nearsightedness.

在眼镜中使用凹透镜 biconcave lens 可以帮助矫正近视。

4.The biconcave lens 凹透镜 is essential for creating virtual images in optical systems.

在光学系统中，凹透镜 biconcave lens 对于创建虚像是必不可少的。

5.In a projector, a biconcave lens 凹透镜 can help spread the light evenly across the screen.

在投影仪中，凹透镜 biconcave lens 可以帮助将光均匀地分布到屏幕上。

作文

A biconcave lens is a type of lens that has two inward-curving surfaces. This unique design makes it different from other types of lenses, such as biconvex lenses, which bulge outward. The biconcave lens is primarily used to diverge light rays that pass through it. When parallel rays of light enter a biconcave lens, they spread out or diverge after passing through the lens. This property of diverging light makes biconcave lenses particularly useful in various optical devices.In the field of optics, understanding the behavior of light as it passes through different mediums is essential. The biconcave lens is often employed in applications where it is necessary to reduce the size of an image or to create a virtual image. For example, in a simple magnifying glass, a biconcave lens can be used to adjust the focus of the light, allowing for a clearer view of small objects.One of the most common uses of biconcave lenses is in eyeglasses for people who are nearsighted. These lenses help correct vision by diverging light rays before they reach the eye, allowing the light to focus properly on the retina. As a result, a person with nearsightedness can see distant objects more clearly when wearing glasses equipped with biconcave lenses.Furthermore, biconcave lenses are also utilized in laser technology. In laser systems, these lenses help to shape and direct the beam of light. By controlling the divergence of the light, engineers can enhance the performance of lasers in various applications, including medical procedures, cutting materials, and even in telecommunications.In addition to their practical applications, biconcave lenses also play a crucial role in scientific research. They are often used in experiments involving light and optics, helping researchers understand fundamental concepts such as refraction, reflection, and the behavior of light waves. Through these experiments, scientists can develop new technologies and improve existing ones.When discussing the properties of biconcave lenses, it is essential to mention their focal length. The focal length of a lens is the distance from the lens at which parallel rays of light converge or diverge. For biconcave lenses, the focal length is negative, indicating that the lens diverges light rather than converging it. This characteristic is crucial for designing optical systems that require precise control over light paths.In conclusion, the biconcave lens is a fascinating optical component with a wide range of applications in everyday life, from correcting vision to advancing scientific research. Its ability to diverge light makes it invaluable in various fields, including medicine, technology, and education. By understanding how biconcave lenses work and their significance, we can appreciate the intricate ways in which optics influence our world and contribute to advancements in numerous industries.

一个biconcave lens是一个具有两个向内弯曲表面的透镜。这种独特的设计使其与其他类型的透镜（如双凸透镜）不同，后者是向外鼓起的。biconcave lens主要用于发散通过它的光线。当平行光线进入biconcave lens时，它们在透过透镜后会散开或发散。这种发散光线的特性使得biconcave lenses在各种光学设备中尤为有用。在光学领域，理解光在不同介质中传播的行为至关重要。biconcave lens通常用于需要缩小图像大小或创建虚像的应用中。例如，在简单的放大镜中，可以使用双凹透镜来调整光的焦点，从而更清楚地观察小物体。biconcave lenses最常见的用途之一是在近视眼镜中。这些透镜通过在光线到达眼睛之前使其发散，从而帮助矫正视力，使近视的人在佩戴配备有biconcave lenses的眼镜时能够更清晰地看到远处的物体。此外，biconcave lenses也广泛应用于激光技术。在激光系统中，这些透镜帮助塑造和引导光束。通过控制光的发散，工程师可以增强激光在各种应用中的性能，包括医疗程序、切割材料，甚至在电信中。除了它们的实际应用外，biconcave lenses在科学研究中也起着至关重要的作用。它们常用于涉及光和光学的实验，帮助研究人员理解折射、反射和光波行为等基本概念。通过这些实验，科学家可以开发新技术并改进现有技术。在讨论biconcave lenses的特性时，提及其焦距是很重要的。透镜的焦距是平行光线汇聚或发散的距离。对于biconcave lenses来说，焦距是负值，表示透镜发散光线而不是汇聚光线。这一特性对于设计需要精确控制光线路径的光学系统至关重要。总之，biconcave lens是一个迷人的光学组件，在日常生活中有广泛的应用，从矫正视力到推动科学研究。它发散光线的能力使其在医学、技术和教育等多个领域中变得不可或缺。通过理解biconcave lenses的工作原理及其重要性，我们可以欣赏光学如何以复杂的方式影响我们的世界，并为众多行业的进步做出贡献。