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You are here: Home / Laser Products / Laser Crystal / Er:GGG

Er3+:GGG(Er doped GGG) Laser Crystal have a garnet structure. At the same time, it is durable under mechanical stress and can withstand high temperatures. In addition, Er: GGG crystals have very high quantum efficiency and are an important competitor of eye-safe near-infrared laser systems. Compared with YAG and Yalo3, the I11/12 metastable energy level of GGG crystal has a longer lifetime, indicating that it can be effectively upconverted under infrared pumping

Er: GGG Crystal —— Laser Crystal For Compact Mid-Infrared Laser 

a 600um thick Er:GGG crystal with a wavelength similar to 2.7um. The maximum output power generated is 50.8 mW and the maximum pulse energy is 0.306 mJ. The repetition frequency of Puguang is 300, 200 and 100 Hz respectively. The maximum tilt efficiency of the laser is 20.1%. The laser is operated in a single longitudinal mode with a FWHM of 0.42 nm centered at approximately 2704 nm. These results show that the Er: GGG microchip laser is an ideal pump source for potential mid-infrared OPO lasers, which can be used in many fields such as photoelectric countermeasures, lidar and environmental monitoring.

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  • High quantum efficiency
  • Eye-safe
Application
  • Ideal pump source for mid-infrared OPO lasers
Reference
A LD side-pumped deep ultraviolet laser at 266nm by using a Nd:YAG/Cr4+:YAG/YAG composite crystal
Optics & Laser Technology,Volume 63,50014,Pages 24-28,
Characterization of the optical properties of ArF laser irradiated Nd:YAG crystal
Optik,Volume 127, Issue 4,50016,Pages 1681-1684
Comparative study between Nd:GYSGG and Nd:YAG lasers passively Q-switched by a Cr:YAG crystal
Optik,Volume 156,50018,Pages 260-264
Crystal growth of high doped Nd:YAG
Optical Materials,Volume 26, Issue 4,50004,Pages 337-341
Crystal growth, Judd–Ofelt analysis and radiative properties of Nd:YAG single crystal grown by HDS
Journal of Luminescence,Volume 140,50013,Pages 135-137
Distribution of Neodymium and properties of Nd:YAG crystal by horizontal directional solidification
Journal of Crystal Growth,Volume 340, Issue 1,50012,Pages 130-134
Effect of XeCl laser irradiation on the defect structure of Nd:YAG crystals
Optics and Lasers in Engineering,Volume 60,50014,Pages 12-17
Fabrication and laser performance of polycrystal and single crystal Nd:YAG by advanced ceramic processing
Optical Materials,Volume 29, Issue 10,50007,Pages 1289-1294
Fabrication, microstructure and laser performance of composite Nd:YAG transparent ceramics
Optical Materials,Volume 71,50017,Pages 90-97
Femtosecond laser irradiation on Nd:YAG crystal: Surface ablation and high-spatial-frequency nanograting
Applied Surface Science,Volume 441,50018,Pages 372-380

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