Single-frequency lasers based on Er3+-doped or Er3+/Yb3+ co-doped gain fibers mainly work in the 1.5 μm band (C-band: 1530-1565 nm) and part of the L-band (1565-1625 nm). Its wavelength is in the C window of optical fiber communication, which makes the 1.5 μm band single-frequency fiber laser with narrow linewidth and low noise characteristics very important in coherent optical communication. It is used in high-resolution sensing, optical frequency domain reflectometer , laser radar and other fields also have a wide range of applications.
Some solid-state laser gain media are doped with transition metal ions, and the transitions involved are those of electrons in the three-dimensional shell. Figure 1 shows the commonly used transition metal ions and their host media.
Optical fiber array, using a V-groove (V-Groove) substrate, a bundle of optical fibers or an optical fiber ribbon is installed on the substrate at specified intervals to form an array.
What is Lidar (LiDAR)? Lidar combines radar ranging capabilities with camera angular resolution to provide accurate depth-aware sensing to complete the image
Lasers can be classified by pumping method, gain medium, operating method, output power, and output wavelength.
Fiber Optical Amplifier is a kind of optical amplifier using optical fiber as gain medium. Typically, the gain medium is fiber doped with rare earth ions, such as erbium (EDFA, Erbium-Doped Fiber Amplifier), neodymium, ytterbium (YDFA), praseodymium and thulium. These active dopants are pumped (provided with energy) by light from a laser, such as a fiber-coupled diode laser; in most cases, the pump light and the amplified signal light travel simultaneously in the fiber core.
Copyright @ 2020 Shenzhen Box Optronics Technology Co., Ltd. - China Fiber Optic Modules, Fiber Coupled Lasers Manufacturers, Laser Components Suppliers All Rights Reserved.
