Neodymium-Doped Yttrium Vanadate
The neodymium-doped yttrium vanadate (Nd:YVO₄) crystal is a highly performance laser crystal, composed of the dopant ion neodymium (Nd) and the laser matrix yttrium vanadate (YVO₄). It has a strong and wide absorption band near 808nm, with a high absorption coefficient. Its absorption efficiency for pump light is several times that of Nd:YAG, effectively absorbing the pump light emitted by laser diodes (LDs), and selectively absorbing polarized light. When the polarization direction of the pump light is consistent with the laser radiation direction, the absorption is the strongest. The main emission peak wavelength is 1064.3nm, with a large excitation emission cross-section, enabling efficient laser output. The output laser has good polarization characteristics and can output linearly polarized light.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Dimension tolerance [±0.1 (General), ±0.005 (High precision)] | ±0.1 (General), ±0.005 (High precision) |
| Surface quality | 20-10 |
| Parallelism | 20″ |
| Perpendicularity | 5′ |
| Flatness | λ/10 |
| Wavefront distortion [633nm] | ≤λ/4 @ 633 nm |
| Clear aperture | 0.95 |
| Bevel | ≤0.2 mm×45° |
| Damage Threshold [1064 nm，10 ns，10 Hz] | ＞500MW/cm² @ 1064 nm，10 ns，10 Hz |
| Coating | (1) AR@1064nm, R< 0.1% (2) AR@1064nm, R< 0.1% & HT@808nm, T>95% (3) HR@1064nm, R>99.8% & HT@808nm, T>95% (4) HR@1064nm, R>99.8%, HR@532 nm, R>99% & HT@808 nm, T>95% (5) AR@1064 nm, R<0.1%, AR@532nm, R<0.3% |
| Doping concentration range | 0.1 - 3% |
| Concentration control accuracy [of doping] | ±10% of doping |
Key Features
Datasheet
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Supplier Information
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