OPTICAL GRADE DIAMOND, Manufactured by DIASEMI, a U.S.-based company.

OPTICAL GRADE DIAMOND, Manufactured by DIASEMI, a U.S.-based company.

DIASEMI offers outstanding optical diamonds, with transmittance across UV, visible, IR, and microwave bands, with optical transmittance exceeding 70%. It is an exceptional optical material combining superior mechanical, thermal, and electrical properties with excellent chemical stability. Resilient against harsh environments, it adapts well to complex and fluctuating conditions.

Single-crystalline diamond (>10mm): 71% infrared transmittance

Polycrystalline diamond (1-4 inches): 68-70% infrared transmittance

Applications span various fields, including:

Infrared windows for airborne, missile, and ship-borne search and tracking systems

High-power CO2 and solid-state laser weaponry

High-energy microwave feed windows and weaponry

Thermonuclear fusion reactors

Optics such as windows, prisms, and lenses for spectroscopy and medical applications

Specifications:

Dimension: Customizable

Thickness: Customizable

Transmittance: >70%@8-200µm

Refractive Index: 2.38@10µm, 2.39@1064nm

Absorption Coefficient: <0.1 cm⁻¹@10µm, 0.12@1064nm

Scattering: 0.1-0.7%@8-12µm

Dielectric Constant: 5.6±0.15

Dielectric Loss: 5*10⁻⁵

Density: 3.52 x 10³ Kg/m³

Vickers Hardness: 65-100 GPa

Young’s Modulus: 1050 GPa

Thermal Conductivity: >1800 W/mK

Coefficient of Thermal Expansion: 1 x 10⁻⁶/K

Specific Heat Capacity: 0.502 J/gK

Thickness Tolerance: ±10µm

Surface Roughness: Ra <10 nm

www.diasemi.us



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