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CVD Diamond | Industrial-Grade CVD Lab Grown Diamonds with Superior Optical Properties

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CVD Diamond | Industrial-Grade CVD Lab Grown Diamonds with Superior Optical Properties

Optical-Grade CVD Diamond

Superior Light Management for Demanding Optics
Single-crystal CVD diamond delivers unparalleled broadband transmission – 225 nm (UV) to 25 μm (IR) with exclusion at 1.8-2.5 μm – coupled with exceptional microwave band permeability. This material’s synergy of radiation hardness, mechanical robustness, thermal conductivity (2,200 W/mK), chemical inertness, and near-zero thermal expansion defines it as the ultimate solution for advanced IR optical windows.


Performance Essentials

  • Mid-IR Efficiency: Refractive index ~2.4 ensures >95% transmission across 1-30 μm

  • Nanoscale Smoothness: Sub-50 nm surface roughness minimizes photon scattering

  • Precision Tolerance: Strict ±0.2 mm dimensional control

  • Prism Superiority: Triangular geometry maximizes mid-infrared radiation capture


Deployment Scenarios

High-Energy SystemsPrecision Instruments
• CO₂/Disc/Raman lasers• 8-14 μm IR imagers
• RF gyrotrons• Spectroscopic analyzers
• High-power generators• Micro-optics lenses

Engineering Breakthroughs

  • Near-Zero Scatter: Maintains signal integrity in harsh environments

  • Compact Design Enablement: Facilitates lightweight optical architectures

  • Hazard Immunity: Resists chemical/thermal degradation

  • Novel Problem Solving: Advanced shaping techniques address emerging optical challenges


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


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