light flux

简明释义

光通量

英英释义

Light flux refers to the total amount of visible light emitted from a source per unit time, typically measured in lumens.

光通量是指单位时间内从光源发出的可见光的总量,通常以流明为单位进行测量。

例句

1.In astronomy, the light flux from distant stars helps determine their brightness and distance.

在天文学中,来自遥远星星的光通量有助于确定它们的亮度和距离。

2.The light flux emitted by the laser can be precisely controlled for various applications.

激光发出的光通量可以精确控制以适应各种应用。

3.To measure the light flux, we used a photometer in the laboratory.

为了测量光通量,我们在实验室使用了光度计。

4.The efficiency of the solar panels is measured by the amount of light flux they can convert into electricity.

太阳能电池板的效率是通过它们可以转换成电能的光通量来衡量的。

5.The light flux from the new LED bulbs is significantly higher than that of traditional incandescent bulbs.

新款LED灯泡的光通量明显高于传统白炽灯泡。

作文

In the realm of physics, the concept of light flux refers to the total amount of light energy emitted from a source per unit time. It is measured in lumens and plays a crucial role in various fields such as photography, architecture, and even astronomy. Understanding light flux is essential for anyone who wishes to manipulate or measure light effectively.For instance, in photography, the amount of light flux can determine the exposure of a photograph. Photographers need to understand how much light is hitting their camera sensor to achieve the desired effect. If the light flux is too low, the image may appear dark and underexposed; conversely, if it is too high, the image may be overexposed and lose detail. Thus, photographers often rely on light meters to gauge the light flux in a given environment before taking a shot.Similarly, architects must consider light flux when designing spaces. The goal is often to maximize natural light while minimizing energy consumption. By understanding how light flux interacts with different surfaces and materials, architects can create buildings that are both aesthetically pleasing and energy-efficient. For example, large windows can allow for greater light flux during the day, reducing the need for artificial lighting and enhancing the overall ambiance of a space.In the field of astronomy, light flux is vital for measuring the brightness of celestial objects. Telescopes are equipped with sensors that detect the light flux coming from stars and galaxies, allowing astronomers to calculate distances and understand the universe's structure. The light flux from distant stars can tell scientists about their composition, temperature, and even their life cycle. This information is invaluable for advancing our knowledge of the cosmos.Moreover, the study of light flux extends into the realm of health and well-being. For example, exposure to natural light has been shown to improve mood and productivity. Understanding the light flux in various environments, such as workplaces or schools, can help design spaces that promote better mental health and efficiency. Many modern offices now incorporate large windows and open layouts to enhance light flux, positively impacting employees' well-being.In conclusion, light flux is a fundamental concept that permeates numerous aspects of our lives. From photography to architecture, astronomy, and even mental health, the importance of understanding light flux cannot be overstated. As technology continues to advance, our ability to measure and manipulate light flux will only improve, leading to new innovations and discoveries. Whether you are a photographer seeking the perfect shot, an architect designing a sustainable building, or an astronomer uncovering the mysteries of the universe, grasping the concept of light flux is essential for success in your endeavors.

在物理学领域,光通量的概念指的是单位时间内从光源发出的总光能量。它以流明为单位测量,并在摄影、建筑甚至天文学等多个领域中发挥着至关重要的作用。理解光通量对于任何希望有效操控或测量光的人来说都是必不可少的。例如,在摄影中,光通量的多少可以决定照片的曝光程度。摄影师需要理解有多少光线照射到他们的相机传感器上,以实现所需的效果。如果光通量太低,图像可能会显得昏暗且曝光不足;相反,如果太高,图像可能会过度曝光而失去细节。因此,摄影师通常依赖光度计来测量拍摄环境中的光通量。 同样,建筑师在设计空间时必须考虑光通量。目标通常是最大化自然光,同时最小化能源消耗。通过理解光通量如何与不同的表面和材料相互作用,建筑师可以创造出既美观又节能的建筑。例如,大窗户可以在白天允许更多的光通量,减少对人工照明的需求,并增强空间的整体氛围。在天文学领域,光通量对于测量天体的亮度至关重要。望远镜配备了传感器,可以检测来自恒星和星系的光通量,使天文学家能够计算距离并理解宇宙的结构。来自遥远恒星的光通量可以告诉科学家关于其成分、温度甚至生命周期的信息。这些信息对于推进我们对宇宙的认识是无价的。此外,光通量的研究还扩展到健康和福祉的领域。例如,接触自然光被证明可以改善情绪和生产力。理解各种环境中的光通量,如工作场所或学校,可以帮助设计促进更好心理健康和效率的空间。许多现代办公室现在都采用大窗户和开放式布局,以增强光通量,积极影响员工的福祉。总之,光通量是一个基本概念,渗透到我们生活的众多方面。从摄影到建筑、天文学甚至心理健康,理解光通量的重要性不容小觑。随着技术的不断进步,我们测量和操控光通量的能力只会提高,从而带来新的创新和发现。无论您是寻求完美拍摄的摄影师、设计可持续建筑的建筑师,还是揭示宇宙奥秘的天文学家,掌握光通量的概念对于您在各自领域的成功至关重要。