Er-YAG,掺铒钇铝石榴石(Er:Y3Al5O12或Er:YAG)结合了不同的输出波长以及Er-YAG优异的热性能和光学性能。这是一种优秀的激光波长为2.94μm的激光晶体。这个波长是所有现有波长中最容易被水和羟基磷灰石吸收的波长,同时被认为是一种高表面切割激光。它是一种众所周知的医学应用材料。
掺杂浓度为50%的Er YAG的发射波长为2940nm,位于吸水峰的位置,可以被水分子强烈吸收。因此,它被广泛应用于整形外科和牙科领域。目前,我们参与的项目包括激光采血仪,它采用Er:YAG棒的两侧涂层和氙气灯端泵浦的结构。Er-YAG激光波长是改善多种皮肤状况和衰老的绝佳选择,包括色素沉着不良,光化性光损伤,日光弹性变性,痤疮和创伤性瘢痕形成,细纹和轻度至中度的皱纹病,粗糙的皮肤质地和皮肤松弛。
方向 | [100] or [100] <± 0.5。 |
平行度 | 10〞 |
垂直度 | 5ˊ |
表面质量 | 5-Oct |
波前失真 | <λ/8@632 nm |
表面平整度 | <λ/10@632.8nm |
通光孔径 | >90% |
倒角 | 0.1mm@45° |
厚度/直径公差 | ±0.05 mm |
最大尺寸 | 直径:2mm-50mm,长度:5mm-180mm |
镀膜 | < 0.25% @ 2940 nm |
晶体结构 | 立方 – la3d |
晶格常数 | 12.01Å |
密度 | 4.56-5.11 g/cm3 |
熔点 | 1950°C |
导热系数/(W·m-1·K-1 @ 25°C) | 0.14W |
比热容/(J·g-1·K-1) | 0.59 |
抗热震性 | 790W/m |
热膨胀率/(10-6·K-1 @ 25°C) | 7.8 |
硬度(莫氏) | 8.5 |
杨氏模量/ GPa | 317 |
剪切模量/ Gpa | 54.66 |
消光比/ dB | 30 |
精密研磨 | 精密研磨 400#Grit |
泊松比 | 0.25 |
激光跃迁 | 4I11/2 → 4I13/2 (高掺); 4I13/2 → 4I15/2 (低掺) |
激光波长 | 2940 nm (高掺); 1645 nm (低掺) |
光子能量 | 6.75×10-20J@2940nm |
泵吸收带宽 | 600~800 nm (高掺); 1530 nm (低掺) |
损伤阈值 | >500MW/cm2 |
发射截面 | 3×10-20 cm2 |
荧光寿命 | 0.23 ms (高掺); 2~5 ms (低掺) |
折光率 | 1.7838@2940 nm |
高掺杂浓度
丰富的能级结构
出色的光学质量
低散射损耗
高输出和损坏阈值
Role of Er3+ ion concentration and incoherent pumping field on optical bistability in Er3+:YAG crystal Optics Communications Volume 331, 15 November 2014, Pages 98-104 |
Scintillation properties of Er-doped Y3Al5O12 single crystals Radiation Measurements Volume 56, September 2013, Pages 116-119 |
High power, pulsed flash-lamp pumped erbium laser designed for medical applications 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science |
Thermal Lensing Spectroscopy Analysis of Er:YAG Crystal Rod: Thermal Focal Length Measure 2011 Symposium on Photonics and Optoelectronics (SOPO) |
The influence of Er:YAG laser application in fenestration to the inner ear Auris Nasus Larynx Volume 33, Issue 4, December 2006, Pages 387-390 |
100mJQ-switched Er:YAG diode-pumped laser system 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC |
2.94 um Er:YAG laser Q-switched with RTP Pockels cell 2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) |
Comparison of resonantly pumped Er:YAG and Er:YAP lasers CLEO/Europe – EQEC 2009 – European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference |
High-power LiNbO3 Pockels cell Q-switched flash lamp-pumped Er:YAG laser as a microsurgery instrument for ophthalmologic applications CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005 |
Effect of concentration of the Er3+ ion on electromagnetically induced transparency in Er3+:YAG crystal Physics Letters A Volume 294, Issue 1, 11 February 2002, Pages 19-25 |
Er:YAG晶体的生长及检验 – 2020/12/21 – 南京光宝光电科技有限公司
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