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Cr YAG Laser Crystals With Excellent Physicochemical Properties Cubic

Categories Q Switch 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-Cr YAG Crystal
Name: Cr:YAG
Crystal structure: cubic la3d
Lattice parameters,: 12.01
Orientation: [100] or [110] < ±0.5°
Mass density: 4.56 g/cm3
Mohs hardness: 8.5
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Cr YAG Laser Crystals With Excellent Physicochemical Properties Cubic

Cr4+:YAG crystal can be used not only as Q-switch but also as gain medium because of its excellent physicochemical properties. The Q-switch operation of pulse and CW Nd:YAG lasers has been realized by using Cr4+:YAG as Q-switch, and the CW tunable and self-mode-locked operation has also been realized by using CR4 +: YAG as gain medium. Compared with the traditional saturable absorber, Cr: YAG is superior to the traditional saturable absorber in many aspects. The doping concentration of Cr4+ ion in Cr4+:YAG is as high as 1018 cm-3, which can effectively reduce the size of passive Q-switch elements. It is beneficial to achieve high optical conversion efficiency, integration, and compact passive Q-switch laser.

Physical and Chemical Properties

PropertyValue
Chemical formulaCr4+:Y3Al5O12
Crystal structurecubic la3d
Lattice parameters,12.01
Orientation[100] or [110] < ±0.5°
Mass density4.56 g/cm3
Mohs hardness8.5
Young’s modulus335 GPa
Tensile strength2 GPa
Melting point1970°C
Thermal conductivity0.1213
Specific Heat/ (Jg-1K-1)0.59
Thermal Expansion /(10-6/°C@25°C)7.8 <111>
7.7 <110>
8.2 <100>
Thermal shock resistance parameter800 W/m
Extinction Ratio25dB
Poisson Ratio0.25
Refractive Index @1064 nm1.83
Charge compensating ionCa2+, Mg2+

Optical Properties

PropertyValue
Optical Density0.1 to 0.8
Fluorescence lifetime3.4s
Concentrations0.5 mol % ~ 3 mol %
Emission wavelength1350 nm ~ 1600 nm
Absorption Coefficient1.0 cm-17 cm-1
Ground state absorption cross section4.3×10-18 cm2
Emission state absorption cross section8.2×10-19 cm2
Transmission10% to 90%
CoatingsAR≤ 0.2% @1064nm
Damage Threshold> 500 MW / cm2

Polishing

PropertyValue
Orientation Tolerence< 0.5°
Thickness/Diameter Tolerance±0.05 mm
Surface Flatness</8@632 nm
Wavefront Distortion</4@632 nm
Surface Quality10/5
Parallel10
Perpendicular5
Clear Aperture>90%
Chamfer<0.1×45°
HR coating<= 0.2% (@ 1340nm)
Maximum dimensions2*2-15*15 mm×20mm
Quality Cr YAG Laser Crystals With Excellent Physicochemical Properties Cubic for sale
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