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Nd:YAG Crystal
Theory of Optics
Nd:YAG Crystal(Nd:Y3Al5O12) is the most widely used solid state laser crystal.
Nd:YAG laser crystal are wildly used in all types of solid-state laser systems-frequency-
doubled continuous wave, high-energy Q-switched, and so forth. Its good fluorescent
lifetime thermal conductivity and physical strengths makes it suitable for high power
lamp pumped laser.
Key features
Nd Concentration: 0.1- 2.5(+/-0.1)atm%
Length: 3 ~ 150mm
Surface Quality: 10/5 Scratch/Dig MIL-O-1380A
Parallelism: < 10″
Perpendicularity: < 5′
Clear Aperture: > 90%
Surface Flatness: < λ/10 @ 632.8 nm
Coating: AR/HR/PR coating upon customer’s request
Categories: Laser Crystals
Surface Quality Size Coating Quality Warranty Period
10/5 S/D Upon customer request AR/HR/PR One year
Specifications
Parameters Physical and chemical properties Optical properties
Doping(atm%): 0.1% ~ 2.5% Chemical Formula: Nd:Y3Al5O12 Laser Transition: 4F3/2 →> 4I11/2
-19
Orientation: [111], [100], [110] <±0.5° Crystal Structure: Cubic Photon Energy: 1.86×10 J
Dimension Tolerances: ±0.05 mm Lattice Constant: 12.01Å Laser Transition Wavelength, λl: 1064 nm
Surface Quality: 10/5 S/D Density: 4.5g/cm3 Pump Transition Wavelength, λp: 808 nm
Parallelism: < 10″ Melting Point: 1970°C Pump Transition Bandwidth, Δλp: <4 nm
Perpendicularity: < 5′ Thermal Conductivity (W/m/k@25°C): 0.14 W Laser Transition Bandwidth, Δλl: ~0.6 nm
Clear Aperture: > 90% Specific Heat/(J/g/K): 0.59 Pump Transition Peak Cross Section, σp (E-20
Wavefront Distortion: λ/10 @ 632.8 nm Rupture Stress: 1.3-2.6*103 kg/cm2 cm2): 6.7
Surface Flatness: < λ/10 @ 632.8 nm Hardness (Mohs): 8.5 Laser Transition Peak Cross Section, σl (E-20
Chamfer: < 0.1 mm @ 45° Young’s Modulus/GPa: 317 cm2): 28
Coating: upon customer’s request Shear Modulus/Gpa: 54.66 Pump Transition Saturation Intensity, φp
Damage Threshold: 750MW/CM2 at 1064nm, Extinction Ratio: 25 dB (kW/cm2): 12
TEM00, 10ns, 10Hz Poisson Ratio: 0.25 Laser Transition Saturation Intensity, φl
(kW/cm2): 2.6
Laser Transition Saturation Fluence, Γl,sat
(J/cm2): 0.6
Minimum Pump Intensity, Imin (kW/cm2): ~0
Upper Laser Manifold Lifetime, τ(msec): 0.26
Quantum Defect Fraction: 0.24
Fractional Heat Generation: 0.37
Refractive Index: 1.8197 @1.064 µm
Fluorescence Lifetime: 230 µs
Spectral curve
Nd YAG Crystal Absorption and Emission
Standard Product List
Product Code Size, mm Doping, atm.% Coating
Nd YAG 0801 Ø3*60 0.8 AR/AR@1064 nm
Nd YAG 0802 Ø4*80 0.8 AR/AR@1064 nm
Nd YAG 0803 Ø5*90 0.8 AR/AR@1064 nm
Nd YAG 0803 Ø6*110 0.8 AR/AR@1064 nm
Nd YAG 0804 Ø7*125 0.8 AR/AR@1064 nm
Nd YAG 0805 Ø8*130 0.8 AR/AR@1064 nm
Nd YAG 0806 Ø9*150 0.8 AR/AR@1064 nm
Nd YAG 0807 Ø10*160 0.8 AR/AR@1064 nm
Nd YAG 1101 3*3*2 1.1 HR@1064+HT@808/AR@1064 nm
Nd YAG 1102 3*3*3 1.1 HR@1064+HT@808/AR@1064 nm
Nd YAG 1103 3*3*4 1.1 HR@1064+HT@808/AR@1064 nm
Nd YAG 1104 3*3*5 1.1 HR@1064+HT@808/AR@1064 nm
Documents
Nd:YAG Crystal CAD PDF
PDF | 2.00MB | 2023-12-02 | V1.0 | EN PDF | 0.18MB | 2023-12-02 | V1.0 | EN
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