light emitter

简明释义

灯光信号发送器

英英释义

例句

1.LEDs are popular light emitters due to their energy efficiency and long lifespan.

LED灯因其能效高和使用寿命长而成为流行的光发射器。

2.The light emitter in the projector provides vibrant colors for an immersive viewing experience.

投影仪中的光发射器提供生动的色彩，带来沉浸式观影体验。

3.In this experiment, we will measure the brightness of various light emitters under different conditions.

在这个实验中，我们将测量不同条件下各种光发射器的亮度。

4.Scientists are developing new types of light emitters for use in quantum computing.

科学家们正在开发新型的光发射器，用于量子计算。

5.The new smartphone features a high-quality light emitter that enhances the camera's low-light performance.

这款新智能手机配备了高质量的光发射器，提升了相机在低光环境下的表现。

作文

In today's rapidly advancing technological landscape, the role of a light emitter (光发射器) has become increasingly significant. A light emitter is a device or material that produces light, either through electrical stimulation or chemical reactions. The most common types of light emitters include light-emitting diodes (LEDs), lasers, and traditional incandescent bulbs. Each of these technologies has its unique applications and advantages, contributing to various fields such as lighting, communications, and medical devices.One of the most notable advancements in light emitter technology is the development of LEDs. Unlike traditional incandescent bulbs that rely on heating a filament to produce light, LEDs generate light through electroluminescence, a process where electrons recombine with holes within the device, releasing energy in the form of photons. This results in a highly efficient light source that consumes significantly less energy and has a longer lifespan compared to conventional lighting options. The efficiency of light emitters like LEDs has revolutionized the way we illuminate our homes and workplaces, leading to reduced energy costs and a smaller carbon footprint.Lasers are another fascinating type of light emitter. They produce coherent light through a process called stimulated emission, whereby an external energy source excites atoms within a medium, causing them to emit light in a uniform direction. Lasers have a wide range of applications, from medical procedures like laser eye surgery to industrial uses such as cutting and welding materials. The precision and intensity of laser light make it an invaluable tool in modern science and technology.In addition to their practical applications, light emitters also play a crucial role in scientific research. For instance, in the field of astronomy, various light emitters are utilized to study celestial bodies and phenomena. Telescopes equipped with sensitive detectors can capture light emitted from distant stars and galaxies, allowing astronomers to analyze their composition, distance, and movement. This information is vital for understanding the universe and our place within it.Moreover, light emitters are integral to the field of communications. Optical fibers, which transmit data as pulses of light, rely on light emitters to send information over long distances at high speeds. The use of lasers in fiber-optic communication has enabled a significant increase in bandwidth, facilitating the rapid exchange of information that underpins the internet and modern telecommunications.As we continue to innovate and develop new technologies, the importance of light emitters will only grow. Researchers are constantly exploring new materials and methods to create more efficient and versatile light emitters. For example, organic light-emitting diodes (OLEDs) are emerging as a promising alternative for displays in televisions and smartphones, offering vibrant colors and flexibility in design.In conclusion, the concept of a light emitter (光发射器) encapsulates a wide range of technologies that produce light for various applications. From energy-efficient LEDs to precise lasers, light emitters are transforming how we live, work, and communicate. As we look to the future, the ongoing advancements in light emitter technology will undoubtedly lead to even more innovative solutions that enhance our daily lives and expand our understanding of the world around us.

在当今迅速发展的技术环境中，光发射器的角色变得越来越重要。光发射器是指一种产生光的设备或材料，可以通过电刺激或化学反应来实现。最常见的光发射器类型包括发光二极管（LED）、激光器和传统的白炽灯泡。这些技术各自具有独特的应用和优势，为照明、通信和医疗设备等多个领域做出贡献。光发射器技术中最显著的进展之一是LED的发展。与依靠加热灯丝产生光的传统白炽灯泡不同，LED通过电致发光生成光，这一过程是电子与孔在设备内重新结合，释放出以光子形式存在的能量。这导致了一个高效的光源，消耗的能量显著低于传统照明选项，并且使用寿命更长。像LED这样的光发射器的效率彻底改变了我们照亮家庭和工作场所的方式，从而降低了能源成本并减少了碳足迹。激光器是另一种迷人的光发射器。它们通过一种称为受激发射的过程产生相干光，在这一过程中，外部能源激励介质中的原子，使其朝着统一的方向发出光。激光在广泛的应用中发挥着重要作用，从激光眼科手术等医疗程序到切割和焊接材料等工业用途。激光光的精确性和强度使其成为现代科学和技术中不可或缺的工具。除了它们的实际应用，光发射器还在科学研究中发挥着关键作用。例如，在天文学领域，各种光发射器被用来研究天体和现象。配备敏感探测器的望远镜可以捕捉来自遥远恒星和星系的光，允许天文学家分析它们的成分、距离和运动。这些信息对于理解宇宙及我们在其中的位置至关重要。此外，光发射器在通信领域也不可或缺。光纤通过光脉冲传输数据，依赖于光发射器来发送信息，确保长距离高速传输。激光在光纤通信中的应用显著提高了带宽，促进了互联网和现代电信基础的快速信息交换。随着我们不断创新和开发新技术，光发射器的重要性只会增加。研究人员不断探索新材料和方法，以创建更高效和多功能的光发射器。例如，有机发光二极管（OLED）作为电视和智能手机显示屏的有前景的替代品，提供生动的色彩和灵活的设计。总之，光发射器的概念涵盖了多种用于各种应用的产生光的技术。从节能的LED到精确的激光，光发射器正在改变我们的生活、工作和交流方式。展望未来，光发射器技术的持续进步无疑将导致更多创新解决方案，这些解决方案将提升我们的日常生活并扩展我们对周围世界的理解。