CTH:YAG Crystals

CTH:YAG Crystals

Supplier
Dientech
Category
Laser Crystals
Origin
China

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

ParameterValue
Cr3+ Concentration0.85%
Tm3+ Concentration5.9%
Ho3+ Concentration0.36%
Emission Wavelength2.080 um
Laser Transition⁵I₇ → ⁵I₈
Flouresence Lifetime8.5 ms
Pump Wavelengthflash lamp or diode pumped @ 780nm
Coefficient of Thermal Expansion6.14 x 10⁻⁶ K⁻¹
Thermal Diffusivity0.041 cm² s⁻²
Thermal Conductivity11.2 W m⁻¹ K⁻¹
Specific Heat (Cp)0.59 J g⁻¹ K⁻¹
Thermal Shock Resistant800 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 Point1965℃
Density4.56 g cm⁻³
MOHS Hardness8.25
Crystal StructureCubic
Standard Orientation<111>
Y3+ Site SymmetryD₂
Lattice Constanta=12.013 Å
Molecular Weight593.7 g mol⁻¹
Wavefront Distortion [1064nm]≤0.125ʎ/inch@1064nm
Rod SizesDiameter:3-6mm ,Length:50-120mm, Upon request of customer
Dimensional TolerancesDiameter:±0.05mm Length:±0.5mm
Barrel FinishGround finish:400#Grit
Parallelism< 30″
Perpendicularity≤5′
Flatnessʎ/10
Surface Quality10/5
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

Di
Dientech
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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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