nd:yag rod

nd:yag rod

北景乡, 中国
生产能力:
1000 单元 / 月
北景乡, 中国
初学者
86-10-13901126130
hai hu
联系人姓名

基本信息

类型 Laser
出生地 Beijing
BJPstandard basic specificationns of Nd:YAG: Nd dopant concentration 0.51.2 atm % orientation <111> crystalline direction Flatness <λ/10 @ 632.8 nm Parallism ≤10 arc seconds Perpendicularity ≤5 arc minutes Surface Quality 10/5 Scratch / Digper MIL-O-13830A Optical Quality Interference fringes ≤ 0. 125 /inch Extinction ration 36.35 ≥ 28dB 710 ≥ 25dB Size Rods: (3∼10)mm×(30∼180)mm (L) Slabs: (3∼12)mm×(6∼24)mm×(60∼180)mm (L) Upon request of customer Dimensional tolerances Diameter: +0/-0.05mm Length: ±0.5mm Chamfer: <0.1 mm @ 45º AR-Coating Reflectivity ≤ 0.2% (@1064nm) HR-Coating Reflectivity >99.8%@1064nm and R<5%@808nm Other HR coatings such as HR @ 1064/532 nm, HR @ 946nm,other wavelengths are also availableand Damage Threshold > 500MW/cm 2 Parameters of lasers Point efficiency of long pulse: 3.3% (lamp pumped,20j input), slope efficiency of long pulse 4.2% Physical and Chemical Properties of Nd:YAG crystal:Chemical formula Nd3+:Y3Al5O12Crystal structure cubic Lattice Parameters 12.01AMelting point: 1950 °C Density, g/cm34.56 Mohs hardness 8.5 Thermal expansion coefficient 7.8 x 10-6/ <111> 8.2 x 10-6/ <100> 7.7×10-6/ <110> dn/dT 7.3 x 10-6-1Young's Modulus 3.17x104kg/mm2Thermal conductivity at 25°C, W x cm-1 x °K-10.14 Loss coefficient at 1064 nm, cm-10.003 Laser Properties Laser Transition4F3/2 --> 4I11/2Laser Wavelength1064nm Photon Energy1.86×10-19J@1064nm Fluorescence Lifetime230μs Emission Cross Section7.5 x 10-19cm2Spectral Properties Diode Pump Band807.5nm Width of Pump Bands1nm Index of Refraction1.8197 Major Pump Bands400 850nm Thermal Shock Resistance790 Wm

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