N41 Neodymium-doped phosphate glass has high stimulated emission cross section, low nonlinear refractive index and good thermal characteristics is specially for high power laser facilities. N41 has a lower refractive index than N21 and N31.
Nd2O3(wt%) | 4.6 |
Nd3+ conc. (1020ions/cm3) | 4.3±0.1 |
Cross section for stimulated emission | (10-20cm2) 3.9±0.1 |
Lifetime at 1053nm (sec)* | ≥370(Nd2O3:0.5wt%) |
≥360(Nd2O3:1.2wt%) | |
≥315(Nd2O3:3.5wt%) | |
≥310(Nd2O3:4.6wt%) | |
Effective bandwidth (nm) | 25.5 |
Fluorescence peak wavelength (nm) | 1053 |
Absorption coefficient (cm-1) | ≤0.0015(1053nm) |
≤0.25(400nm) | |
≤1.5(3333nm) |
Non-linear refractive index coeff.n2 (×10-13e.s.u) | ≤1.04 |
Refractive index (1053nm) | 1.504±0.003 |
Abbe value | 68.2 |
Transformation temp. (℃) | 467 |
Softening temp. (℃) | 503 |
Coeff.of linear thermal expansion (10-7/K) (30~100℃) | 129 |
Density (g/cm3) | 2.62 |
Young’s modulus (G Pa) | 52.4 |
Posson’s ratio | 0.25 |
Knoop hardness (kg/cm2) | 347 |
Fracture toughness (MPam1/2) | 0.62 |
Dw (H2O 98℃) (mg/(cm2/day)) | 0.41 |
Used for nonlinear laser microscopies practical, fiber-based, high-power, wideband sources and practical optical frequency comb system
Used for femtosecond laser writing method, optical communication
Sample Description
N51 Nd Glass
NAP Nd Glass
N31 Nd Glass