N31 Nd3+-doped phosphate glass for high energy pdf
Classification:
N31 phosphate glass is specially developed for high power laser facility.
Cotnact：
Details Introduction
N31 phosphate glass is specially developed for high power laser facility. At present, it has been successfully applied in Shen Guang Ⅱ and Shen Guang Ⅲ system. Glass slab up to 900mm×500mm×70mm can be produced at SIOM, and is the most popular laser glass in China. More than 1500 pieces of edge Cladding N31 glass with size up to 810mm×460mm×40mm have been used in high power laser facilities in China, and has been applied in several laser facilities in US and Europe.
Parameter
|
Laser Specifications Nd2O3 (wt%) Nd3+ conc. (1020ions/cm3) Cross section for stimulated emission (10-20cm2) |
3.5 3.4±0.1 3.8±0.1 |
| Lifetime at 1053nm (μsec) |
≥370 (Nd2O3 : 0.5wt%) ≥360 (Nd2O3 : 1.2wt%) ≥315 (Nd2O3 : 3.5wt%) ≥310 (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) |
≤1.2 1.535±0.003 65.6 -4.3 |
|
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) Thermal conductivity (25ºC) (W/m K) Specific heat ( 25ºC) (J/g K) |
445 485 116 127 1.4 0.59 0.75 |
|
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) |
0.12 -
2.87 58.3 0.26 404 0.58 |
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N31 Nd3+-doped phosphate glass for high energy pdf
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