NAP Nd Laser Glass High Thermal Shock Resistance Properties High Average Power
Brand Name:CRYLINK
Certification:Iso9001
Minimum Order Quantity:1 Pieces
Delivery Time:3-4 weeks
Payment Terms:TT
Place of Origin:China
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Shanghai Shanghai China
Address:
No.200, Zgaoxian Road, Jiading Zone, Shanghai, China
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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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