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CVD Lab Grown Diamonds | Hard Chemically Stable and Low Coefficient of Expansion
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" CVD / MCD technologies,  (111)-oriented diamond wire dies deliver unmatched precision for industrial wires, jewelry . And it have very long lifespan. "
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Single Crystal HPHT Synthetic Diamond Plate for Cutting Tools
Size: 1-7mm
Thickness: 0.2-3mm
Shape: as you customize
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Single crystal diamond CVD (chemical vapor deposition) refers to a type of diamond that is produced using the CVD process. In this process, a mixture of carbon-containing gases is decomposed under controlled conditions, resulting in the formation of a single crystal diamond layer on a substrate.

Single crystal diamond CVD is known for its exceptional hardness and thermal conductivity, which makes it useful for a range of industrial and scientific applications, such as cutting and grinding tools, heat spreaders, and optical components.

Compared to other forms of synthetic diamond, single crystal diamond CVD has a highly ordered crystal structure, which gives it improved physical and mechanical properties. This makes it a desirable material for a range of high-performance applications, where its hardness and thermal conductivity are important factors.

In summary, single crystal diamond CVD is a type of synthetic diamond that is produced using the CVD process and is characterized by its exceptional hardness and thermal conductivity. It has a wide range of applications in industries such as manufacturing, electronics, and optics.
 
 
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Single crystal diamond CVD (chemical vapor deposition) refers to a type of diamond that is produced using the CVD process.

Single crystal diamond CVD is known for its exceptional hardness and thermal conductivity, which makes it useful for a range of industrial and scientific applications, such as cutting and grinding tools, heat spreaders, and optical components.

Compared to other forms of synthetic diamond, single crystal diamond CVD has a highly ordered crystal structure, which gives it improved physical and mechanical properties. This makes it a desirable material for a range of high-performance applications, where its hardness and thermal conductivity are important factors.
 
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Diamond Semiconductor | Diamond Wafers | Diamond heat spreader
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Synthetic diamond
The large size diamond crystal is an unprocessed diamond single crystal, which is made by high temperature and high pressure method. The size that our company can provide is generally 1mm -5mm large size single crystal with excellent performance, high hardness, good wear resistance, good corrosion resistance and high chemical stability, meeting various finishing tools (including single point, sheet, rotary and roller dresser, etc.), special cutting The application requirements of tools and indenters can also be used in the application of jewelry, crafts and other applications.
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CVD Lab Grown Diamonds | Hard Chemically Stable and Low Coefficient of Expansion

CVD-grown single crystal diamond delivers the broadest light transmission range among solid materials, spanning 225 nm (UV) to 25 μm (IR) – excluding the 1.8–2.5 μm band – with exceptional microwave transparency. Its unique combination of radiation resistance, extreme hardness, thermal conductivity, chemical inertness, and minimal thermal expansion makes it the premier choice for advanced infrared optical systems.
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Product Properties
Refractive Index (1064nm)
2.392
Refractive Index (600nm)
2.415
Transmission (1064nm)
>68%
Transmission (8μm-25μm)
>70%
Thermal Conductivity
>2000 W/mK
Crystallographic Orientation
100 110 111
Miscut for Main Face Orientation
±3°
Common Product Size
2mm×2mm×6mm
2mm×2mm×7mm
4mm×4mm×7mm
Transverse Tolerance
±0.05mm
Thickness Tolerance
±0.1mm
Parallelism
<2′
Surface Roughness
<10nm
Edge Cutting
Laser Cutting


Compared to Other High Gain Raman Crystals

Single Crystal CVD Diamond
KGW KGD(WO4)2
YVO4
BA(NO3)2
Raman Gain(g)
15
4
5
11
Raman Frequency Shift ∆λ cm-1
1332
901
892
1047
Crystal Length(L)mm
8
25
25
25
Thermal Conductivity(k)Wm-1K-1
>2000
5
5.2
1.2
Raman Figure of Merit
1440
3
20
1

Optical-Grade CVD Single Crystal Diamond: Unmatched Spectral Performance
CVD-grown single crystal diamond delivers the broadest light transmission range among solid materials, spanning 225 nm (UV) to 25 μm (IR) – excluding the 1.8–2.5 μm band – with exceptional microwave transparency. Its unique combination of radiation resistance, extreme hardness, thermal conductivity, chemical inertness, and minimal thermal expansion makes it the premier choice for advanced infrared optical systems.


Critical Specifications

  • Mid-IR Optimization: Refractive index ~2.4 ensures high-efficiency transmission across 1–30 μm wavelengths

  • Surface Precision: <50 nm roughness for minimal light scattering above 1 μm

  • Dimensional Accuracy: ±0.2 mm tolerance

  • Triangular Prism Design: Optimized for mid-infrared radiation measurement instrumentation


Advanced Applications

  • Laser Systems: High-power CO₂ lasers, disc lasers, Raman lasers

  • IR Imaging & Sensing: Long-wave infrared detectors (8–14 μm)

  • Spectroscopic Analysis: Precision wavelength measurement tools

  • RF Technology: Gyrotron and high-power RF generator components

  • Compact Optics: Miniaturized diamond lenses for lightweight designs


Competitive Advantages

The material’s ultra-low optical scatter and chemical stability enable:

  • High-Power Endurance: Reliable performance under intense energy loads

  • Hazardous Environment Resistance: Withstands corrosive/abrasive conditions

  • Geometric Innovation: Enables compact, high-strength optical architectures


Picture details:

微信图片_20250317105428微信图片_20250317105419

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