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NF Nd: Glass

Nd Glass Laser Crylink
Nd Glass Manufacture Process

Nd-doped Fluorophosphate glass has the characteristics of low nonlinear coefficient, high fluorescence lifetime, easy large-scale preparation, excellent glass forming performance and good crystallization stability, and meets the requirements for energy storage and amplification of high-energy laser systems. Two kinds of NF glass.


NdF3 (wt%)0.881.07
Cross section for stimulated emission(10-20cm2)2.7±0.13.4±0.1
Lifetime at 1053nm(μsec)≥515(NdF3:0.53wt%)≥430(NdF3:0.53wt%)
Effective bandwidth(nm)32.830.4
Fluorescence peak wavelength(nm)10531053
Absorption coefficient(cm-1)≤0.001(1053nm)≤0.001(1053nm)
Non-linear refractive index coeff.n2( ×10-13e.s.u)≤0.6≤0.86
Refractive index(1053nm)1.464±0.0031.514±0.003
Abbe value8877
Transformation temp.(℃)450490
Softening temp.(℃)491528
Coeff. of linear thermal expansion(10-7/K)(50~100℃)152142
Thermal coeff. of optical path length(10-6/K)(50~100℃)-1.86-1.2
Thermal conductivity(25℃)(W/mK)0.865 
Young’s modulus(G Pa)7376
Knoop hardness(kg/cm2)343423
Fracture toughness(MPa·m1/2)0.350.58

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