NakuLaser Blog

 In the past 2021, there was a great demand for 1064nm single-mode fiber lasers in the market. Most customers apply lasers in the field of scientific research, and they have relatively high requirements for the power stability of the lasers, and customers often ask us to provide a power stability test report that is more than 8 hours. Below is the 26-hour stability test data we did when the power of the 1064nm 100mW SM Fiber laser was adjusted to 43mW. Test instructions: This test eliminated interference factors as much as possible. 1.The laser, optical fiber, and power meter must be absolutely stable and not touchable, keep people away from the test area, and do not touch any part of the laser. 2. The optical fiber is directly connected to the optical power meter, and no adapter is used. 3. Eliminate the interference of the magnetic field near the laser. The basic parameters of 1064nm SM FC laser: The spectrum of 1064nm SM laser: Optical power meter for testing: ThorLab's optical...

 This is a 850nm 5mW single mode fiber laser . The laser output power can be adjusted by the buttons, the adjustment accuracy is 1mW. It can be customized software control, the interface is RS232. The following video demonstrates how to adjust the laser output power. Let's check it now.   This laser uses a semiconductor laser chip, professionally designed drive circuit and TEC control to ensure safe operation of the laser, output power and spectral stability. It is suitable as a high stability test light source for the production test of optical fiber devices in the 808nm band.    

It's a 488nm TEM00 blue laser system. This laser is coupled a single mode fiber . The LCD display the current, and the outpower power can be adjusted by adjusting the current. Let's check it now. 488nm single-mode fiber-coupled laser uses single-mode fiber coupling, which has the advantages of high coupling efficiency and good output laser beam quality. The TEC temperature control system is used to ensure that the laser is more stable and has better performance. Compact structure, strong and reliable, suitable for various industrial and scientific research applications.        

Recently, the team of researchers of the State Key Laboratory of Superlattice, Institute of Semiconductors, Chinese Academy of Sciences, Niu Zhichuan has made significant progress in the research of single-mode  and high-power quantum well lasers for telluride semiconductors. In recent years, the research team led by Niu Zhichuan's research team has studied the material basis physics of the bismuth semiconductor and the heterogeneous low-dimensional material epitaxy under the support of the National 973 Major Scientific Research Program, the National Natural Science Foundation's major projects and key projects. The technology of growth and optoelectronic device preparation, systematically mastered the chemical analysis of bismuth telluride quantum wells, superlattice low-dimensional materials and molecular beam epitaxial growth methods, breaking through the etching and passivation of germanium quantum well lasers. Based on the core process technology, the innovative design o...