ND:YAG 规格:
Nd Dopant Concentration: | 0.5-1.2 atm%tolerance within 10% of concentration |
Diameter: | 3 ~ 14mm |
Length(L): | 0.5~160mm |
Orientation: | <111> crystalline direction (+/-0.5℃) |
Flatness: | <λ/8 @ 633nm |
Smooth Finish: | 20/10 |
Parallelism: | <30″ |
Perpendicularity: | <10′ |
Wavefront Distortion: | < λ/8 @ 633nm |
Clear Aperture: | > 90% |
Coating: | According to customer request |
物理和光学性质
Chemical Formula | Nd:Y3A15O12 |
Crystal Structure | Cubic |
Lattice Constants | 12.01Ä |
Concentration | ~ 1.2 x 1020 cm-3 |
Melting Point | 1970 °C |
Density | 4.56 g/cm3 |
Mohs Hardness | 8.5 |
Refractive Index | 1.82 |
Thermal Expansion Coefficient | 7.8 x 10-6 /K [111], 0 – 250 °C |
Thermal Conductivity | 14 W/m /K @20 °C, 10.5 W /m /K @100 °C. |
Lasing Wavelength | 1064 nm |
Stimulated Emission Cross Section | 2.8×10-19 cm-2 |
Relaxation Time of Terminal Lasing Level | 30 ns |
Radiative Lifetime | 550 ms |
Spontaneous Fluorescence | 230 ms |
Loss Coefficient | 0.003 cm-1 @ 1064 nm |
Effective Emission Cross Section | 2.8 x 10-19 cm2 |
Pump Wavelength | 807.5 nm |
Absorption band at pump wavelength | 1 nm |
Linewidth | 0.6 nm |
Polarized Emission | Unpolarized |
Thermal Birefringence | High |