Laser is the abbreviation for "Light Amplification by Stimulated Emission of Radiation", which refers to the enhanced photon beam generated by stimulating atoms to release radiation energy through electron transitions. Compared with other types of light, laser has a series of characteristics, such as low divergence, high brightness, good monochromaticity, good coherence, etc., ...

Definition: An amplifier that amplifies ultrashort optical pulses. Ultrafast amplifiers are optical amplifiers used to amplify ultrashort pulses. Some ultrafast amplifiers are used to amplify high repetition rate pulse trains to get very high average power while the pulse energy is still at moderate levels, in other cases lower repetition rate pulses get more gain and get very ...

Definition: The pump power when the laser oscillation threshold is reached.

Lasers can be classified by pumping method, gain medium, operating method, output power, and output wavelength.

What is Lidar (LiDAR)? Lidar combines radar ranging capabilities with camera angular resolution to provide accurate depth-aware sensing to complete the image (Figure 1).

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.

Definition: The gain medium is doped with transition metal ions.

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...