| Model Number: | Nd:YVO4 |
|---|---|
| Brand Name: | crysmit |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
Main Features
Low lasing threshold and high slope efficiency
Low dependency on pump wavelength
Large stimulated emission cross-section at lasing wavelength
High absorption over a wide pumping wavelength bandwidth
Optically uniaxial and large birefringence emits polarized laser
Typical Applications
For Single-longitudinal-mode output and compact design
Diode laser-pumped Nd:YVO4 compact laser and its frequency-doubled green, red or blue laser will be the ideal laser tools of machining, material processing, spectroscopy, wafer inspection, light show, medical diagnostics, laser printing and other most widespread applications
Physical Properties:
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Atomic Density
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1.26x1020 atoms/cm3 (Nd 1.0%)
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Crystal Structure
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Zircon Tetragonal, space group D4h-I4/amd
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a=b=7.1193, c=6.2892
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Density
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4.22g/cm3
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mols
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4-5 (Glass-like)
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Thermal Expansivity (300K)
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aa=4.43x10-6/K
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ac=11.37x10-6/K
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Thermal Conductivity
Coefficient (300K)
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//C:0.0523W/cm/K
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⊥C:0.0510W/cm/K
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Optical Properties:
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Laser Wave
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1064nm, 1342nm ,914nm
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Thermo-Optical
Coeffecient (300K)
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dno/dT=8.5x 10-6/K
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dne/dT=2.9x 10-6/K
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Sellmeier Equation
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no2=3.77834+0.069736/(l2-0.04724)-0.0108133.l2
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(for pure YVO4 crystals)
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ne2=4.59905+0.110534/(l2-0.04813)-0.0122676.l2
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Excited Emission Section
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25x 10-19cm2 @1064nm
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Fluorescence Lifetime
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90ms
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Absorption Coefficient
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31.4cm-1 @810nm
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Extrinsic Loss
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0.02cm-1 @1064nm
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Gain Bandwidth
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0.96nm @1064nm
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Polarized Light Shoot
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polarization; parallel to optic axis(c-axis)
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LD Pump Light Throughput Efficiency
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>60%
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Specifications:
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Nd: Dopant Level
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0.1 atm% - 3.0 atm%
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Wavefront Distortion
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< λ/8 @ 633 nm
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Orientation
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±0.5deg.
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Dimension Tolerances
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±0.1mm
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Surface Quality
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10/5 Scratch/Dig per MIL-PRF-13830B
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Flatness
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λ/10 @ 633 nm
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Clear Aperture
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> Central 90%
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Parallelism
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< 10 arc sec
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Intrinsic Loss
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< 0.1% cm-1
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