High power 980 nm LED is a cutting-edge technology in the field of optoelectronics, which has been widely used in various applications such as medical, optical communication, and industrial fields. This article will introduce the background, development, and application of high power 980 nm LED, aiming to provide a comprehensive understanding of this technology.
Background of High Power 980 nm LED
High power 980 nm LED refers to a kind of LED with a wavelength of 980 nm and high power output. The 980 nm wavelength is in the near-infrared region, which is suitable for the transmission of optical fibers and has good penetration ability. In recent years, with the continuous development of optoelectronic technology, the application of high power 980 nm LED has become more and more extensive.
Development of High Power 980 nm LED
1. Material development
The development of high power 980 nm LED is closely related to the material research. In the early stage, the mainstream material of high power 980 nm LED was InGaAsP/InP, which has good performance in optical communication. However, the output power of InGaAsP/InP LED is relatively low, and the efficiency is not high. In order to improve the performance of high power 980 nm LED, researchers have developed a variety of new materials, such as InGaAs/InP, InGaAsN/InP, and InAs/InSb.
2. Structure optimization
The structure of high power 980 nm LED is also an important factor affecting its performance. In order to improve the output power and efficiency of high power 980 nm LED, researchers have optimized the structure of the LED, such as adopting the multi-quantum well structure, the vertical cavity surface emitting laser (VCSEL) structure, and the distributed Bragg reflector (DBR) structure.
3. Packaging technology
The packaging technology of high power 980 nm LED is also very important. In order to ensure the stable performance of the LED, the packaging process needs to be optimized. At present, the mainstream packaging technology of high power 980 nm LED includes flip-chip packaging, wire bonding packaging, and flip-chip wire bonding packaging.
Application of High Power 980 nm LED
1. Medical field
High power 980 nm LED has good biocompatibility and can be used in medical applications such as laser surgery, optical coherence tomography (OCT), and photodynamic therapy. The 980 nm wavelength can be easily transmitted through biological tissue, which is conducive to the accurate positioning of the laser beam and the reduction of tissue damage.
2. Optical communication field
High power 980 nm LED is widely used in the field of optical communication. The 980 nm wavelength has good transmission performance in optical fibers, which can effectively reduce the attenuation and improve the transmission distance. At the same time, the high power output of the LED can meet the needs of long-distance transmission.
3. Industrial field
High power 980 nm LED can be used in industrial applications such as laser marking, laser cutting, and laser welding. The 980 nm wavelength has good penetration ability, which can effectively improve the processing quality and efficiency of the workpiece.
Conclusion
High power 980 nm LED is a promising technology in the field of optoelectronics. With the continuous development of material, structure, and packaging technology, the performance of high power 980 nm LED will be further improved. In the future, high power 980 nm LED will have a wider range of applications in various fields, and will play an important role in promoting the development of optoelectronic technology.