photodiode
简明释义
英[ˌfəʊtəʊˈdaɪəʊd]美[ˈfoʊtoʊˌdaɪoʊd]
n. [电子] 光电二极管
英英释义
单词用法
雪崩光电二极管 |
同义词
反义词
| 光晶体管 | Phototransistors are commonly used in light detection applications. | 光晶体管通常用于光检测应用。 | |
| 热传感器 | Thermal sensors are often employed in temperature measurement systems. | 热传感器常用于温度测量系统。 |
例句
1.In an array laser warning, two adjacent photodiode field-of-views (FOV) overlap and form overlapped FOVs.
在阵列式激光报警器中，相邻两光电二极管视场重叠，形成重叠视场。
2.To calibrate the circuit, first disconnect or obscure the input photodiode so that A1A converts no ac signal.
为校准电路，首先断开或使输入光敏二极管变暗，以便A 1 A转换非交流信号。
3.A linear 128 pixel photodiode array is selected in this primary experiment. The sampling methods and results are also given.
介绍了该系统各环币节的分步实验、线型128象元光电二极管阵列的采样方法、模拟能谱实验结果。
4.Micro spectrometer generally takes the SSPA (self scanned photodiode array) as sensor to turn the spectrum signal into a form of electrical signal.
微型光谱仪通常采用光电探测器阵列作为光谱信号获取元件，将光谱信号转化为电信号。
5.This paper analyzes the photodiode type CMOS active passive sensors noise and discusses its noise suppress technology.
文中分析了光电二极管型CMOS有源图像传感器的噪声源，并对其抑制技术进行了讨论。
6.The emission circuit and photodiode monitoring circuit of microbend optical fiber liquid level sensor system are discussed in this thesis.
在论文中，对光纤微弯液位传感器系统的发射和光电检测电路进行了分析和设计。
7.Swept Source (SS) OCT uses a wavelength swept laser source and photodiode balanced receiver as the detector.
扫频光源（SS）OCT使用波长扫频激光器光源，并使用平衡式光电二极管接收机作为检测器。
8.A spectroradiometer is designed and fabricated with a set of narrow band optical filters, simplified radiometer and silicon photodiode.
用一组窄带滤光片、简易辐亮度计和硅光二极管探测器设计了绝对型光谱辐亮度计。
9.In optical communication, a photodiode converts light signals into electrical signals.
在光通信中，光二极管将光信号转换为电信号。
10.The camera's autofocus system relies on a photodiode for precise measurements.
相机的自动对焦系统依赖于光二极管进行精确测量。
11.Many laser rangefinders utilize a photodiode to measure distance accurately.
许多激光测距仪利用光二极管来精确测量距离。
12.A photodiode can be used in solar panels to convert sunlight into electricity.
光二极管可以用于太阳能电池板，将阳光转化为电能。
13.The light sensor uses a photodiode to detect changes in illumination.
光传感器使用光二极管来检测光照变化。
作文
In the realm of modern technology, the importance of light-sensitive devices cannot be overstated. Among these devices, the photodiode plays a crucial role in converting light into electrical signals. A photodiode is essentially a semiconductor device that generates a current when exposed to light. This process is fundamental in various applications, including optical communication, medical devices, and consumer electronics. Understanding the functionality and applications of photodiodes can provide insight into their significance in our daily lives.The principle behind a photodiode is based on the photoelectric effect, discovered by Albert Einstein. When photons of light strike the surface of the photodiode, they can excite electrons in the semiconductor material, creating electron-hole pairs. This generation of charge carriers leads to a measurable electrical current, which can then be utilized in various electronic circuits. The efficiency of a photodiode is determined by its material properties, the wavelength of the incoming light, and the design of the device itself. Common materials used in photodiodes include silicon, germanium, and indium gallium arsenide, each suited for different applications based on their sensitivity to specific wavelengths of light.One of the most significant applications of photodiodes is in fiber optic communication systems. In these systems, photodiodes are used to convert the light signals transmitted through optical fibers into electrical signals that can be processed by electronic equipment. This conversion is vital for high-speed data transmission over long distances, making photodiodes indispensable in telecommunications.In addition to telecommunications, photodiodes find extensive use in medical devices. For example, they are employed in pulse oximeters, which measure the oxygen saturation in a patient’s blood by detecting the amount of light absorbed by hemoglobin. The accuracy and speed of photodiodes in these devices contribute significantly to patient monitoring and diagnostics, enhancing healthcare outcomes.Consumer electronics also benefit from the integration of photodiodes. Devices such as cameras, barcode scanners, and remote controls utilize photodiodes to detect light signals and perform various functions. For instance, in digital cameras, photodiodes are used in image sensors to capture light and convert it into digital images. This application highlights the versatility of photodiodes across different fields.Furthermore, advancements in technology have led to the development of specialized photodiodes that offer improved performance characteristics. For example, avalanche photodiodes (APDs) can achieve higher sensitivity and gain due to their internal amplification mechanism. These features make them suitable for applications in low-light environments, such as astronomy and night vision systems.In conclusion, the photodiode is a pivotal component in a wide range of technological applications, from telecommunications to medical devices and consumer electronics. Its ability to convert light into electrical signals has revolutionized how we communicate and interact with technology. As we continue to advance in the field of electronics, the role of photodiodes will undoubtedly expand, paving the way for innovative solutions and applications that enhance our daily lives.Understanding the functionality and applications of photodiodes not only enriches our knowledge of electronic devices but also underscores the importance of light in our technological landscape. As we embrace the future, the photodiode will remain an essential element in the ongoing evolution of technology.
在现代科技领域，光敏设备的重要性不容小觑。在这些设备中，光电二极管在将光转换为电信号方面发挥着关键作用。光电二极管本质上是一种半导体设备，当暴露在光线下时会产生电流。这一过程在光通信、医疗设备和消费电子等各种应用中至关重要。理解光电二极管的功能和应用可以深入了解它们在我们日常生活中的重要性。光电二极管的原理基于爱因斯坦发现的光电效应。当光子照射到光电二极管的表面时，它们可以激发半导体材料中的电子，产生电子-空穴对。这种电荷载流子的生成导致可测量的电流，这可以在各种电子电路中使用。光电二极管的效率取决于其材料特性、入射光的波长以及设备本身的设计。常用的光电二极管材料包括硅、锗和铟镓砷，每种材料根据其对特定波长光的敏感性适合不同的应用。光电二极管最重要的应用之一是在光纤通信系统中。在这些系统中，光电二极管用于将通过光纤传输的光信号转换为可以被电子设备处理的电信号。这种转换对于长距离高速数据传输至关重要，使得光电二极管在电信行业中不可或缺。除了电信，光电二极管还广泛应用于医疗设备。例如，它们被用于脉搏血氧仪，通过检测血红蛋白吸收的光量来测量患者血液中的氧饱和度。这些设备中光电二极管的准确性和速度显著提高了患者监测和诊断的效果，改善了医疗结果。消费电子产品也受益于光电二极管的集成。诸如相机、条形码扫描器和遥控器等设备利用光电二极管来检测光信号并执行各种功能。例如，在数码相机中，光电二极管用于图像传感器，以捕捉光并将其转换为数字图像。这一应用突显了光电二极管在不同领域的多样性。此外，技术的进步导致了专用光电二极管的发展，这些设备提供了更好的性能特征。例如，雪崩光电二极管（APD）由于其内部放大机制能够实现更高的灵敏度和增益。这些特性使它们适合用于低光环境中的应用，如天文学和夜视系统。总之，光电二极管是各种技术应用中的关键组成部分，从电信到医疗设备和消费电子。它将光转换为电信号的能力彻底改变了我们与技术沟通和互动的方式。随着我们在电子领域的不断进步，光电二极管的角色无疑会扩大，为创新解决方案和应用铺平道路，提升我们的日常生活。理解光电二极管的功能和应用不仅丰富了我们对电子设备的知识，还强调了光在我们技术领域中的重要性。随着我们迎接未来，光电二极管将继续成为技术不断演进的重要元素。
