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NAP Nd Laser Glass High Thermal Shock Resistance Properties High Average Power

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NAP Nd Laser Glass High Thermal Shock Resistance Properties High Average Power

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Place of Origin : China

Brand Name : CRYLINK

Certification : Iso9001

MOQ : 1 Pieces

Price : negotiation

Packaging Details : Carton

Delivery Time : 3-4 weeks

Payment Terms : TT

Supply Ability : 100 pieces /month

Name : NAP Nd:Glass

Abbe value : 67

Feature : High thermal shock resistance properties

Certificate : Iso9001

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NAP Nd:Glass

NAP Neodymium-doped phosphate glass is created specially for high average power applications. NAP2 and NAP4 are two types of new laser glass with high thermal shock resistance properties, which have higher thermal conductivity, lower coefficient of thermal expansion and modest emission cross section. They are served for laser systems with high repetition rates and high energy rates and high energy, which have broad applications in laser ranger, laser peening and pump laser for OPCPA systems.

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Parameter

Laser Specifications
NAP2 NAP4
Cross section for stimulated emission(10-20cm2) 3.6±0.1 3.1±0.1
Lifetime at 1053nm (sec)* ≥360(Nd2O3:0.5wt%) ≥370(Nd2O3:0.5wt%)
≥350(Nd2O3:1.0wt%) ≥360(Nd2O3:1.0wt%)
≥330(Nd2O3:2.0wt%) ≥330(Nd2O3:2.0wt%)
≥310(Nd2O3:3.0wt%) ≥310(Nd2O3:3.0wt%)
Effective bandwidth (nm) 25.4 28.5 25.4 28.5
Fluorescence peak wavelength (nm) 1052 1052
Absorption coefficient (cm-1) ≤0.0015(1053nm) ≤0.002(1053nm)
≤0.25(400nm) ≤0.3(400nm)
≤1.5(3333nm) ≤1.5(3333nm)

Optical Specifications
NAP2 NAP4
Non-linear refractive index coeff.n2(×10-13e.s.u) ≤1.25 ≤1.10
Refractive index (1053nm) 1.537±0.003 1.515±0.005
Abbe value 67 67
dn/dT (10-6/℃) (20~100℃) -9 1.9

Thermal Specifications
NAP2 NAP4
Transformation temp. (℃) 500 545
Softening temp. (℃) 550 600
Coeff.of linear thermal expansion (10-7/K) (30~100℃) 87 63
Thermal coeff.of optical path length(10-6/K) (50~100℃) 3.8 5
Thermal conductivity (25℃) (W/mK) 0.76 0.88
Specific heat (25℃) (J/gK) 0.757 0.775

Other Specifications
NAP2 NAP4
Density (g/cm3) 2.84 2.58
Young’s modulus (G Pa) 58 67
Posson’s ratio 0.25 0.25
Knoop hardness (kg/cm2) 382 549
Fracture toughness (MPam1/2) 0.68 0.74
Dw (H2O 98℃) (mg/(cm2/day)) 0.003 0.002

Spectra
  • Feature
  • Application
  • Literature
  • News
  • High thermal shock resistance properties
  • Higher thermal conductivity
  • Lower coefficient of thermal expansion
  • Modest emission cross section
  • High average power laser
  • Laser ranger
  • Pump laser

Sample Description

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