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| Brand Name : | CRYLINK | 
| Certification : | Iso9001 | 
| Price : | negotiation | 
| Payment Terms : | TT | 
| Supply Ability : | 100 pieces /month | 
| Delivery Time : | 3-4 weeks | 
| Model Number : | CRYLINK-V YAG Crystal | 
Description
V:YAG (Yttrium-Aluminum Garnet doped with three-valence vanadium V3+) is a relatively new crystal material of saturable absorbers and passive Q-switch in the spectral range from 1064 to 1440 nm, primarily because of extremely high ground-state absorption cross section and negligible excited-state absorption around the absorption peak at about 1300 nm. This material, revealing excellent optical, mechanical, and thermal properties, can typically be grown by the Czochralski method. V:YAG crystals have been applied for a variety of active media such as Nd:YAG, Nd:YAP, Nd:KGW, Nd:YVO4 to achieve compact and good-performance passive Q-switching lasers.
Features
Extremely high ground state absorption
Negligible excited state absorption
High contrast of Q-switch
Good optical, mechanical, and thermal properties
UV resistant and high High damage threshold(>500MW/cm2)
Applications
Q-switching and model-locking for Nd:YAG lasers
Q-switching and model-locking for Nd:YAP lasers
Q-switching and model-locking for Nd:KGW lasers
Q-switching and model-locking for Nd:YVO4 lasers
Parameters
Property  | Value  | 
Chemical formula  | V3+:Y3Al5O12  | 
Crystal structure  | cubic - la3d  | 
Orientation  | <100> <+/-0.5°  | 
Transmittance  | 30%-97%  | 
Opticaldensity  | 0.1-0.8  | 
Specifications
Property  | Value  | 
Atomic transition structure  | Two-levelsystem  | 
Recovery time  | 5~2210-22s  | 
Concentrations  | (0.05~0.35)wt%  | 
Absorptioncross-section  | 7.3×10-18cm2 (@ 1340 nm)  | 
Emissionbandwidth  | 1000-1450 nm  | 
Centralabsorption wavelength  | 1300nm  | 
Coatings  | Standardcoating is AR with R < 0.2% (@1340 nm)  | 
Polishing Specification
Property  | Value  | 
OrientationTolerence  | <0.5°  | 
Thickness/DiameterTolerance  | ±0.05mm  | 
SurfaceFlatness  | </8@632nm  | 
WavefrontDistortion  | </4@632nm  | 
SurfaceQuality  | 10/5  | 
Parallel  | 30  | 
Perpendicular  | 15  | 
ClearAperture  | >90%  | 
Chamfer  | <0.2×45°  | 
Standard products
Initial transmission @1064nm  | Dimensionsmm  | Coatings  | SurfaceFlatness  | SurfaceQuality (scratch/dig)  | 
T0=30%  | dia 5  | AR≤0.2% @1064nm  | </8@632 nm  | 10/5  | 
3x3  | ||||
5x5  | ||||
T0=40%  | dia 5  | |||
3x3  | ||||
5x5  | ||||
T0=50%  | dia 5  | 
                                 
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