N41 Nd: Glass
Description
Feature
Application
News
Description
N41 Neodymium-doped phosphate glass has a high stimulated emission cross-section, low nonlinear refractive index and good thermal characteristics are specially for high power laser facilities. N41 has a lower refractive index than N21 and N31.
Feature
- High stimulated emission cross section
- Low nonlinear refractive index
- Good thermal characteristics
Application
- High-power laser
- Ultrashort pulse laser
Used for nonlinear laser microscopies， practical, fiber-based, high-power, wideband sources and practical optical frequency comb system - Waveguide amplifier
Used for femtosecond laser writing method, optical communication
News
Parameter
| 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 (μsec)* | ≥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 (MPa·m1/2) | 0.62 |
| Dw (H2O 98℃) (mg/(cm2/day)) | 0.41 |
