photodetector

简明释义

英[ˈfəʊtəʊdɪˌtektə(r)]美[ˌfoʊtoʊdɪˈtektər]

n. [电子] 光电探测器

英英释义

单词用法

同义词

反义词

例句

1.A simple circuit generates an autofocus signal based upon the output of the photodetector.

这样就能够使用1个简单的电路按光电探测器上的输出进行自动聚焦。

2.It is Consisted of modulation circuits, electrical optical converting, photodetector, equalizing amplifier and filter etc.

其中包括信号的调制电路、电光变换、光检测器、均衡放大器和滤波器等。

3.The photodetector then produces a signal defining how the light falling on it changes over time.

随后光电探测器将产生一个信号，定义落在它上面的光量如何随时间变化。

4.But if there is any difference between the lengths of the two arms, some light will travel to where it can be recorded by a photodetector.

但是只要两条边的长度有一丝不同，光电探测器将记录下分光的轨迹。

5.The avalanche photodetector demonstrated by IBM is the world's fastest device of its kind.

IBM展示的雪崩光电探测器是世界上同类设备中最快速的设备。

6.In some embodiments, the optical sensor includes an array of photodetectors, where each photodetector is configured to detect a spectrum of light.

在一些实施例中，光学传感器包括光探测器阵列，其中每一光探测器构造为检测光谱。

7.A new photodetector, the bipolar junction photogate transistor, was proposed for CMOS image sensor.

本文提出一种新的用于CMOS图像传感器像素的光电检测器——双极结型光栅晶体管。

8.A new method is presented in this paper to detect the Sun direction for CdS photodetector. The advantage of the method is shown in comparison with normal ways.

本文提出一种将光电电位器用于太阳角计的探测方法，并与现行的方法进行比较。

9.In this paper, the hemispherical grating technique, which is effectively used in enhancing quantum efficiency of Si photodetector, is introduced.

本文介绍了提高硅光探测器量子效率的半球形点阵技术。

10.The new camera uses a highly sensitive photodetector to capture low-light images.

这款新相机使用了一种高灵敏度的光电探测器来捕捉低光照图像。

11.In fiber optic communication, a photodetector is essential for converting light signals into electrical signals.

在光纤通信中，光电探测器对于将光信号转换为电信号至关重要。

12.The photodetector in the solar panel helps convert sunlight into usable energy.

太阳能电池板中的光电探测器帮助将阳光转换为可用的能量。

13.Scientists are developing new types of photodetectors that can operate at higher temperatures.

科学家们正在开发能够在更高温度下工作的新的光电探测器类型。

14.A photodetector is crucial in laser range finding systems.

在激光测距系统中，光电探测器是至关重要的。

作文

In the modern world, technology plays an essential role in our daily lives. One of the crucial components that enable various devices to function effectively is the photodetector. A photodetector (光电探测器) is a device that converts light into an electrical signal. This conversion is fundamental in many applications, including cameras, optical communication systems, and even in medical devices. Understanding how photodetectors work and their significance can provide insight into their impact on technology and society. The basic principle behind a photodetector involves the interaction between light photons and the material of the detector. When light hits the surface of a photodetector, it can excite electrons in the material, creating electron-hole pairs. This process generates a current in the device, which can then be measured and utilized in various applications. Different materials are used for photodetectors, including silicon, germanium, and indium gallium arsenide, each with its unique properties and advantages. In the realm of photography, photodetectors are vital for capturing images. Digital cameras use photodetectors to convert incoming light into electronic signals that can be processed to create photographs. The quality of the photodetector significantly affects the camera's performance, as it determines the sensitivity to light and the overall image quality. As technology advances, photodetectors continue to improve, allowing for better low-light performance and faster image processing. Beyond photography, photodetectors are integral to optical communication systems, such as fiber optics. In these systems, light signals are transmitted over long distances through optical fibers. At the receiving end, photodetectors convert these light signals back into electrical signals, enabling data transmission. This technology has revolutionized telecommunications, leading to faster internet speeds and improved connectivity worldwide. Moreover, photodetectors find applications in medical devices as well. For instance, they are used in pulse oximeters, which measure the oxygen saturation in a patient's blood. The photodetector in such devices detects the amount of light absorbed by the blood, providing critical information about a person's health. This application highlights the importance of photodetectors in enhancing healthcare and saving lives. As we look to the future, the development of photodetectors is likely to continue evolving. Researchers are exploring new materials and technologies to create more efficient and sensitive photodetectors. Innovations such as organic photodetectors and quantum dot-based devices are on the horizon, promising even greater advancements in various fields, from renewable energy to advanced imaging techniques. In conclusion, photodetectors are indispensable components in modern technology, playing a pivotal role in photography, communication, and healthcare. Their ability to convert light into electrical signals has transformed how we capture images, transmit data, and monitor health. As technology continues to advance, the significance of photodetectors will only grow, paving the way for new innovations that will shape our future. Understanding the function and importance of photodetectors allows us to appreciate the intricate workings of the devices we often take for granted in our everyday lives.

在现代世界中，技术在我们日常生活中扮演着至关重要的角色。一个使各种设备能够有效运作的关键组件是光电探测器。光电探测器（photodetector）是一种将光转化为电信号的设备。这种转化在许多应用中都是基础，包括相机、光通信系统，甚至医疗设备。理解光电探测器的工作原理及其重要性，可以深入了解其对技术和社会的影响。 光电探测器的基本原理涉及光子与探测器材料之间的相互作用。当光照射到光电探测器的表面时，它可以激发材料中的电子，产生电子-空穴对。这个过程在设备中生成电流，然后可以被测量并用于各种应用。不同的材料被用于光电探测器，包括硅、锗和铟镓砷，每种材料都有其独特的特性和优点。 在摄影领域，光电探测器对捕捉图像至关重要。数码相机利用光电探测器将进入的光转化为可以处理以创建照片的电子信号。光电探测器的质量显著影响相机的性能，因为它决定了对光的敏感度和整体图像质量。随着技术的进步，光电探测器不断改善，使得在低光环境下的表现更好，图像处理速度更快。 除了摄影，光电探测器在光通信系统中也是不可或缺的，例如光纤。在这些系统中，光信号通过光纤长距离传输。在接收端，光电探测器将这些光信号转化回电信号，从而实现数据传输。这项技术彻底改变了电信行业，带来了更快的互联网速度和全球更好的连接。 此外，光电探测器还在医疗设备中找到了应用。例如，它们被用于脉搏血氧仪中，测量患者血液中的氧饱和度。这类设备中的光电探测器检测血液吸收的光量，提供关于个人健康的关键信息。这个应用突显了光电探测器在增强医疗保健和拯救生命方面的重要性。 展望未来，光电探测器的发展可能会继续演变。研究人员正在探索新材料和技术，以创造更高效、更灵敏的光电探测器。有机光电探测器和量子点设备等创新正在崭露头角，承诺在可再生能源到先进成像技术等各个领域带来更大的进步。 总之，光电探测器是现代技术中不可或缺的组成部分，在摄影、通信和医疗保健中发挥着关键作用。它们将光转化为电信号的能力改变了我们捕捉图像、传输数据和监测健康的方式。随着技术的不断进步，光电探测器的重要性只会增加，为塑造我们的未来铺平道路。理解光电探测器的功能和重要性使我们能够欣赏我们在日常生活中常常视而不见的设备的复杂工作原理。