N51 Nd3+-doped phosphate glass for high energy
Classification:
N51 phosphate glass with high stimulated emission cross section and lower nonlinear refractive index is specially developed for high power laser facility.
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Details Introduction
N51 phosphate glass with high stimulated emission cross section and lower nonlinear refractive index is specially developed for high power laser facility. Glass slab up to 900mm×500mm×70mm is available at SIOM.
Parameter
|
Laser Specifications Nd2O3 (wt%) Nd3+ conc. (1020ions/cm3) Cross section for stimulated emission (10-20cm2) |
4.0 3.9±0.1 4.3±0.1 |
| Lifetime at 1053nm (μsec) |
≥375 (Nd2O3 : 0.5wt%) ≥365 (Nd2O3 : 1.2wt%) ≥320 (Nd2O3 : 3.5wt%) ≥315 (Nd2O3 : 4.2wt%) |
|
Effective bandwidth(nm) Fluorescence peak wavelength(nm) |
25.4 1053 |
| Absorption coefficient (cm-1) |
≤0.0015 (1053nm) ≤0.25 (400nm) ≤1.5 (3333nm) |
|
Optical Specifications Non-linear refractive index coeff.n2 (×10-13e.s.u) Refractive index (1053nm) Abbe value dn/dT (10-6/ºC) (20~100ºC) |
≤1.04 1.505±0.003 68.2 -9.0 |
|
Thermal Specifications Transformation temp.(ºC) Softening temp.(ºC) Coeff.of linear thermal expansion (10-7/K) (30~100ºC) Coeff.of linear thermal expansion (10-7/K) (30~300ºC) Thermal coeff. of optical path length (10-6/K) (50~100ºC) |
408 448 141 160 -1.9 |
|
Chemical Specifications Dw (H2O 98ºC)(mg/(cm2/day)) Other Specifications Density(g/cm3) Young’s modulus (G Pa) Posson’s ratio Knoop hardness (kg/cm2) Fracture toughness (MPa· m1/2) |
2.2
2.70 45.2 0.26 302 0.66 |
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N51 Nd3+-doped phosphate glass for high energy
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