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Home » Products » Laser Crystal » Nd:YVO4 Laser Crystal
Nd:YVO<sub>4</sub> Laser Crystal

Nd:YVO4 Laser Crystal

Nd:YVO4

Nd:YVO4 crystal is one of the most excellent laser host materials, it is suitable for diode laser-pumped solid state laser. Compactly designed Nd3+:YVO4 lasers with green, red and blue light output are really perfect means for material processing. Nd3+YVO4 diode pumped lasers have: wide absorption bandwidth, low lasing threshold, high slope efficiency, large luminescent cross-section, linearly polarized emission and single-mode output.

Advantages:

1. Lower lasing threshold and higher slope efficiency
2. Low dependency on pumping wavelength and tend to single mode output
3. Large stimulated emission cross-section at lasing wavelength
4. High absorption over a wide pumping wavelength bandwidth
5. Optically uniaxial and large birefringence emit strongly-polarized laser

Specifications:
Dopant 0.1% ~ 3%
Orientation A-CUT +/-0.5°
Size & Tolerance W(+/-0.1)xH(+/-0.1)xL(+0.5/-0.1)mm
Surface quality 10/5
Perpendicularity ≤5′
Parallelism ≤10″
Bevel <0.2mmx45°
Flatness λ/10@633nm
Chips <0.1mm
TWD λ/6@633nm
CA ≥95%
Coatings C1--- AR@1064(R<0.2%)
C2--- AR@1064(R<0.2%)&532(R<0.5%)
C3--- AR@1064(R<0.2%)&808(R<0.5%)
C4---AR@1064(R<0.2%)&532(R<0.5%)&808(R<3%)
C5--- HR@1064(R>99.8%)&HT@808(T>95%)
C6---HR@1064(R>99.8%)&532(R>99.5%)&HT@808(T>95%)
Damage Threshold 700MW/cm210ns 1Hz at 1064nm
Main properties of Nd:YVO4 crystal:
Space group D4h-I4/amd
Lattice Parameters a=b=7.12Å, c=6.29Å
Density 4.22 g/cm3
Mohs Hardness Glass-like, 4~5
Thermal Expansion Coefficient α a=4.43x10-6/K, α c=11.37x10-6/K
Thermal Conductivity Coefficient | |c: 5.23 W/m/K; 丄c: 5.10 W/m/K
Lasing Wavelengths 914nm, 1064 nm, 1342 nm
Thermal Optical Coefficient dno/dT=8.5x10-6/K, dne/dT=3.0x10-6/K
Stimulated Emission Cross-Section 25.0x10-19 cm2 , @1064 nm
Fluorescent Lifetime 90 μ s @ 808 nm
Absorption Coefficient 31.4 cm-1 @ 808 nm
Absorption Length 0.32 mm @ 808 nm
Gain Bandwidth 0.96 nm (257 GHz) @ 1064 nm
Diode Pumped Optical to Optical Efficiency π polarigation; > 60%
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