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N41 Nd:Glass

22 May 2019

Description

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.

Parameter

Laser specifications

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)

Optical Specifications

Non-linear refractive index coeff.n2 (×10-13e.s.u)  ≤1.04
Refractive index (1053nm)  1.504±0.003
Abbe value  68.2

Thermal Specifications

Transformation temp. (℃)  467
Softening temp. (℃)  503
Coeff.of linear thermal expansion (10-7/K) (30~100℃)  129

Other Specifications

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

Spectra

 

Features

  • High stimulated emission cross section

  • Low nonlinear refractive index

  • Good thermal characteristics

CONTACT DETAILS
Nanjing Crylink Photonics Co.,Ltd
No.3, Hengda Road, Economic and Technological Development Zone, Nanjing, China
No.200,Zhaoxian Road,Jiading District,Shanghai City
Nanjing
Jiangsu
210038
China
Tel: (86)025-68790684
Fax: (86)025-68790685
Email Us
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