N51 Nd Glass (Neodymium Glass) is widely used as amplifier material in high-power laser systems. Stanford Optics is a trusted supplier and manufacturer of Optical products.
N51 Neodymium-doped phosphate glass has the characteristics of high energy storage, large exciting emission cross-section, long fluorescence life, easy preparation of large size, and good optical uniformity. Therefore, it is widely used as an amplifier working material in high-power laser systems.
Material Specifications
Transition temperature (℃) |
408 |
Softening temperature (℃) |
448 |
Linear thermal expansion coefficient (10-7 / K) (30 ~ 100℃) |
141 |
Linear thermal expansion coefficient (10-7 / K) (30 ~ 300℃) |
160 |
Thermal coefficient of optical path length (10-6 / K) (50-100℃) |
-1.9 |
Density g/cm3 |
2.7 |
Young's modulus (G Pa) |
45.2 |
Poisson's ratio |
0.26 |
Knoop hardness (kg/cm2) |
302 |
Fracture toughness (MPa• m1/2) |
0.66 |
Deliquescence coefficient (H2O 98℃) (mg/(cm2 / day)) |
2.2 |
Optical and spectral properties
Nonlinear refractive index coefficient N2 |
≤1.04 |
Refractive index (1053 nm) |
1.505±0.003 |
Abbe number |
68.2 |
dn / dt(10-6 /℃)(20〜100℃) |
-9 |
Absorption and emission spectra
Our N51 Nd Glass (Neodymium Glass) is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
Transition temperature (℃) |
408 |
Softening temperature (℃) |
448 |
Linear thermal expansion coefficient (10-7 / K) (30 ~ 100℃) |
141 |
Linear thermal expansion coefficient (10-7 / K) (30 ~ 300℃) |
160 |
Thermal coefficient of optical path length (10-6 / K) (50-100℃) |
-1.9 |
Density g/cm3 |
2.7 |
Young's modulus (G Pa) |
45.2 |
Poisson's ratio |
0.26 |
Knoop hardness (kg/cm2) |
302 |
Fracture toughness (MPa• m1/2) |
0.66 |
Deliquescence coefficient (H2O 98℃) (mg/(cm2 / day)) |
2.2 |
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