CTH:YAG Crystals
Ho,Cr,Tm:YAG -yttrium aluminium garnet laser crystals doped with chromium,thulium and holmium ions to provide lasing at 2.13 microns are finding more and more applications,especially in the medical industry.The inherent advantage of the crystal crystal is that it employs YAG as the host. YAG’s physical,thermal and optical properties are well known and understood by every laser designer. It has wide applications in surgery, dentistry, atmospheric testing, etc.
Specification Snapshot
Refractive Index [632.8 nm]
1.83
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Overview
Ho,Cr,Tm:YAG -yttrium aluminium garnet laser crystals doped with chromium,thulium and holmium ions to provide lasing at 2.13 microns are finding more and more applications,especially in the medical industry.The inherent advantage of the crystal crystal is that it employs YAG as the host. YAG’s physical,thermal and optical properties are well known and understood by every laser designer. It has wide applications in surgery, dentistry, atmospheric testing, etc.
Specifications
| Parameter | Value |
|---|---|
| Cr3+ Concentration | 0.85% |
| Tm3+ Concentration | 5.9% |
| Ho3+ Concentration | 0.36% |
| Emission Wavelength | 2.080 um |
| Laser Transition | ⁵I₇ → ⁵I₈ |
| Flouresence Lifetime | 8.5 ms |
| Pump Wavelength | flash lamp or diode pumped @ 780nm |
| Coefficient of Thermal Expansion | 6.14 x 10⁻⁶ K⁻¹ |
| Thermal Diffusivity | 0.041 cm² s⁻² |
| Thermal Conductivity | 11.2 W m⁻¹ K⁻¹ |
| Specific Heat (Cp) | 0.59 J g⁻¹ K⁻¹ |
| Thermal Shock Resistant | 800 W m⁻¹ |
| Refractive Index [632.8 nm] | 1.83 |
| dn/dT (Thermal Coefficient of Refractive Index) [1064nm] | 7.8 10⁻⁶ K⁻¹ |
| Melting Point | 1965℃ |
| Density | 4.56 g cm⁻³ |
| MOHS Hardness | 8.25 |
| Crystal Structure | Cubic |
| Standard Orientation | <111> |
| Y3+ Site Symmetry | D₂ |
| Lattice Constant | a=12.013 Å |
| Molecular Weight | 593.7 g mol⁻¹ |
| Wavefront Distortion [1064nm] | ≤0.125ʎ/inch@1064nm |
| Rod Sizes | Diameter:3-6mm ,Length:50-120mm, Upon request of customer |
| Dimensional Tolerances | Diameter:±0.05mm Length:±0.5mm |
| Barrel Finish | Ground finish:400#Grit |
| Parallelism | < 30″ |
| Perpendicularity | ≤5′ |
| Flatness | ʎ/10 |
| Surface Quality | 10/5 |
| AR coating Reflectivity [2094nm] | ≤0.25%@2094nm |
Key Features
High slope efficiency Pumped by flash lamp or diode Operates well at room temperature Operates in a relatively eye-safe wavelength range
Datasheet
Product Datasheet
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Supplier Information
Chengdu Dien Photoelectric Technology Co., Ltd. is an energetic young crystalline materials technology company, specializing in the research, design, manufacture and sales of a series of nonlinear optical crystals, laser crystals, magneto-optic crystals and substrates. With excellent quality and competitiveness, the products are widely used in scientific research, beauty and industrial markets. The company has an experienced sales and engineering team dedicated to providing customized application solutions for customers in the global beauty, industrial and scientific research fields. The products meet European and world standards. Headquartered in Chengdu, China, DIEN TECH has customers all over the world, including the USA, Europe and Asia. DIEN TECH is committed to becoming one of the most reliable and high-quality photoelectric component suppliers in the world.
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