With the rapid development of technology, the applications of infrared light have become increasingly widespread. Among them, 850 nm infrared has attracted much attention due to its unique advantages. This article will introduce the 850 nm infrared industry, including its applications, technology, and market prospects.

Introduction to 850 nm Infrared

850 nm infrared is a wavelength of infrared light, which belongs to the near-infrared region. It has a longer wavelength than visible light and can penetrate some materials, making it suitable for various applications. Compared with other infrared wavelengths, 850 nm infrared has lower attenuation and higher penetration ability, which makes it more suitable for long-distance transmission and sensing.

Applications of 850 nm Infrared

850 nm infrared has been widely used in various fields due to its unique properties. The following are some typical applications:

1. Telecommunications

In the field of telecommunications, 850 nm infrared is used as the optical communication wavelength. It has low attenuation and high transmission efficiency, which is conducive to long-distance and high-speed transmission. Moreover, 850 nm infrared can be used in free-space optical communication, which is beneficial to the realization of wireless communication networks.

2. Security and surveillance

850 nm infrared has excellent imaging performance in low-light environments. It is often used in security and surveillance systems to achieve high-definition and real-time monitoring. Moreover, 850 nm infrared can be used for human body detection, which is of great significance for security prevention and control.

3. Biomedical

850 nm infrared has excellent tissue穿透性, making it suitable for various biomedical applications. For example, it can be used in photoacoustic imaging, optical coherence tomography, and tissue spectroscopy. These applications have great potential for improving the diagnosis and treatment of diseases.

4. Automotive

850 nm infrared is widely used in automotive applications, such as automatic driving assistance, vehicle detection, and driver monitoring. It can realize high-precision and real-time detection of surrounding objects, which is conducive to improving the safety and comfort of vehicles.

Technology of 850 nm Infrared

The technology of 850 nm infrared mainly includes the following aspects:

1. Light Emitting Diode (LED)

LED is the most common light source for 850 nm infrared. The quality of the LED directly affects the performance of the infrared system. Currently, there are two main types of 850 nm infrared LED: AlGaAs-based LED and InGaAs-based LED. The InGaAs-based LED has higher brightness and longer life, which is more suitable for high-end applications.

2. Photoelectric Detection

Photoelectric detection is the key technology for 850 nm infrared application. The photoelectric detection device can convert infrared light into electrical signals for processing. Common photoelectric detection devices include photodiodes, phototransistors, and photoresistors. The performance of these devices is directly related to the accuracy and stability of the infrared system.

3. Signal Processing

Signal processing is an essential part of the 850 nm infrared system. It involves the amplification, filtering, and modulation of signals. The quality of signal processing directly affects the performance and reliability of the system.

Market Prospects of 850 nm Infrared

The market prospects of 850 nm infrared are very promising due to its wide application range and continuous technological innovation. The following are some factors that drive the development of the 850 nm infrared market:

1. Increasing demand for high-definition and real-time monitoring

With the continuous development of society, the demand for high-definition and real-time monitoring in various fields is increasing. 850 nm infrared technology can meet these demands and has great market potential.

2. Advancements in optical communication technology

The continuous development of optical communication technology has greatly promoted the application of 850 nm infrared in telecommunications. As the optical communication network becomes more and more extensive, the market demand for 850 nm infrared will continue to grow.

3. Technological innovation and cost reduction

With the continuous optimization of technology and the improvement of production efficiency, the cost of 850 nm infrared devices is gradually decreasing. This will further promote the application of 850 nm infrared in various fields. In conclusion, 850 nm infrared has excellent performance and wide application prospects. With the continuous development of technology and market demand, the 850 nm infrared industry is expected to achieve rapid growth in the future.