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Nd YVO4 Laser Crystals High Absorption Coefficient Big Stimulated Emission Cross Section

Categories Laser Crystals
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
Model Number: CRYLINK-Nd YVO4 Laser Crystal
Materials: Nd: YVO4
Concentration Tolerance (atm%): 0.5%, 1.1%, 2.0%, 3.0%
Orientation: A-cut or C-cut
Parallelism: 20
Perpendicularity: 10/5 Scratch/Dig per MIL-O-13830 B
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Nd YVO4 Laser Crystals High Absorption Coefficient Big Stimulated Emission Cross Section

Nd-doped YVO4 crystal is an excellent laser crystal for making the diode-pumped solid lasers. The main and greatest advantages of Nd: YVO4 are high absorption coefficient, big stimulated emission cross-section and wide absorption band, the absorption peak is about 808 nm. Because of these advantages, small crystal can be used to make smaller laser device. The another feature of Nd: YVO4crystal is this uniaxial, which makes it emit linearly polarized lights. Combining with frequency-doubled crystal, all-solid-state lasers with green, blue and red wavelength can be realized.

Parameter

Material and Specifications
MaterialsNd: YVO4
Concentration Tolerance (atm%)0.5%, 1.1%, 2.0%, 3.0%
OrientationA-cut or C-cut
Parallelism20
Perpendicularity5
Surface Quality10/5 Scratch/Dig per MIL-O-13830 B
Wavefront Distortion</8 @633nm
Surface Flatness/10@ 633 nm
Clear Aperture>90%
Chamfer≤0.2mm@450
Dimension Tolerance(W±0.1mm)x(H±0.1mm)x(L+0.2/-0.1mm) (L<2.5mm)
(W±0.1mm)x(H±0.1mm)x(L+0.5/-0.1mm) (L≥2.5mm)
Angle Tolerance≤0.5°
Damage Threshold[GW/cm2 ]>1 for 1064nm, TEM00, 10ns, 10Hz (AR-coated)
CoatingsHR@1064nm+532nm+HT@808nm/AR@1064nm+532nm

Physical and Chemical Properties

Crystal StructureZircon Tetragonal, space group D4h-I4/amd
Lattice Constantsa=b=7.12, c=6.29
Density4.22g/cm3
Melting Point1825
Thermal Conductivity /(Wm-1K-1@25°C)5.2
Thermal Optical Coefficient(dn/dT)dno/dT=8.5×10-6/K; dne/dT=2.9×10-6/K
Thermal Expansion /(10-6K-1@25°C )a = 4.43, c= 11.4
Hardness (Mohs)4~5

Optical and Spectral Properties

Laser Wavelength1064nm, 1342nm
Polarized Laser Emissionpolarization; parallel to optic axis (c-axis)
Pump Wavelength808nm
Intrinsic Loss0.02cm-1 @1064nm
Diode Pumped Optical to Optical Efficiency>60%
Emission Cross Section25×10-19cm2@1064nm
Fluorescence Lifetime90 s (about 50 s for 2 atm% Nd doped) @ 808 nm
Gain Bandwidth0.96nm @1064nm
Refractive Index1.9573(no); 2.1652(ne) @1064nm
1.9721(no); 2.1858(ne) @808nm
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Nd yvo4 crystal

  

Nd yvo4 laser crystal

  
Quality Nd YVO4 Laser Crystals High Absorption Coefficient Big Stimulated Emission Cross Section for sale
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