博文

目前显示的是标签为“Nd Yag”的博文
  532nm Nd YAG Laser For Optical Communication - Laser Crylink Introduction of 532nm Nd YAG Laser For Optical Communication 532nm laser being used for underwater optical communication   Because the low loss window in seawater is 0.46nm~0.54nm, and the pulse peak energy should be greater than 200mJ, the pulse width is generally 10ns~20ns, the repetition frequency is about 50Hz, and the divergence angle is generally less than 0.1mrad, the laser spot is as uniform as possible, and the 532nm Nd:YAGlaser with electro-optic Q-switching can be used for these aspects. Theory of crylink’s 532nm Nd YAG Laser Laser Crystal - Nd:YAG It is used to create a laser with a wavelength of 1064 nm in order to provide fundamental light for a laser with a wavelength of 532 nm . The gain medium Nd:YAG is a cubic crystal that is optically isotropic and has a 1.0 percent Nd3+ ion doping concentration. EO Q-Switch - LiNbO 3 To achieve high peak power, Q-switching technology must ...

What is Crylink's 1064nm Nd YAG laser for material processing?

  An introduction of the 1064nm Nd YAG laser for material processing When Nd:YAG crystals are used as the gain medium, the usual output wavelength in the infrared is 1064nm . Nd:YAG lasers are optically pumped lasers utilizing flash tubes or laser diodes. The 1064nm wavelength is easily absorbed by metal surfaces and has a high power density, allowing for a smaller kerf. Nd:YAG crystals are widely utilized in manufacturing because of their characteristics. Theory Gain medium - Nd YAG Neodymium ions in glasses operate as a laser gain medium, and Nd:YAG crystals may absorb wavelengths of 730nm—760nm and 790nm—820nm. When Nd is pumped into excitation, it generally emits 1064nm light following a certain atomic transition. In continuous mode, the greatest output power can be 1000W, and the highest average output power can be 400W; when the pulse width is 10ns, the energy can be 1GW/cm2 after being focused. Because of the smaller kerf of Nd:YAG crystals, lasers may have shorter output...
图片
  Yb:YAG lasers provide a variety of advantages over diode-pumped rod-based Nd:YAG lasers, including greater beam quality, efficiency, and tunability Yb:YAG is a quasi-three-level structural crystal with very low thermal permeability, low quantum of loss, and thermal load. It has a maximum output power of 100W at 1030nm, and the output mode is TEM00. Thin-disc Yb:YAG lasers are mostly used in the engraving and printing industries . Theory Gain medium - Nd YAG A thin Yb:YAG disk. The crystal shape of the thin disk laser is a sheet kind. The crystal's cooling efficiency is extraordinarily high since the entire thin disk crystal is connected to the heat sink. Because the laser crystals are so tiny, they only absorb a little amount of the pump light each time it passes past them. To boost pumping efficiency, a parabolic mirror is placed in front of the semiconductor to generate high-power output light. Heat sink——Used for cooling crystals Thin disk——Made of Yb:YAG Contact material—...