Diamond IR Window

 

Diamond IR Window is an ultra-high-performance infrared optical component designed for demanding environments where conventional materials such as ZnSe, Ge, or sapphire cannot simultaneously provide high transmission, thermal conductivity, mechanical strength, and durability. Manufactured using high-purity CVD synthetic diamond technology, it delivers exceptional infrared transmission across a wide spectral range while efficiently dissipating heat generated by high-power optical systems. These properties make it an ideal solution for infrared imaging, laser systems, spectroscopy equipment, aerospace sensors, and harsh industrial monitoring applications requiring long service life and stable optical performance.

 

 

1.Exceptional Thermal Conductivity for High-Power Systems
The thermal conductivity of CVD diamond can exceed 1800 W/m·K, significantly higher than conventional infrared window materials. This enables rapid heat dissipation from high-energy optical systems, reducing thermal lensing effects, optical distortion, and localized overheating that can degrade measurement accuracy or shorten component life.

2.High Infrared Transmission with Broad Spectral Coverage
Through controlled crystal growth and impurity reduction during the CVD deposition process, the optical absorption level is minimized. This allows excellent transmission from the ultraviolet region through the infrared spectrum, making the component suitable for multiple sensing and imaging technologies using a single optical platform.

3.Superior Mechanical Strength and Wear Resistance
Unlike fragile infrared crystals, synthetic diamond possesses extreme hardness and scratch resistance. This greatly reduces surface damage caused by airborne particles, cleaning procedures, and long-term operation in industrial environments, helping maintain optical clarity over extended service periods.

4.Outstanding Chemical and Environmental Stability
The dense diamond structure provides strong resistance to corrosive gases, humidity, and chemically aggressive environments. This is particularly important for industrial monitoring equipment operating in chemical plants, semiconductor facilities, and offshore installations where conventional optical materials may degrade over time.

5.Low Thermal Expansion for Dimensional Stability
Diamond exhibits an extremely low coefficient of thermal expansion, allowing the optical window to maintain dimensional accuracy under rapid temperature fluctuations. This improves system stability in aerospace, defense, and scientific instrumentation applications.

 

 

1.Infrared Imaging and Thermal Cameras
Infrared imaging systems require windows that allow maximum transmission while resisting environmental damage. The high transmission efficiency and exceptional hardness ensure stable image quality even in outdoor surveillance, industrial inspection, and long-term monitoring systems exposed to dust and temperature variations.

2.High-Power Laser Systems
Laser equipment generates significant heat around optical interfaces. The superior thermal conductivity of CVD diamond helps remove heat from the optical path, reducing thermal distortion and improving beam stability. This makes it particularly valuable in high-power CO₂ lasers and advanced photonics systems.

3.FTIR Spectroscopy Equipment
Fourier-transform infrared spectroscopy relies on precise signal transmission. The broad spectral transparency and low optical absorption help improve measurement sensitivity, especially in scientific research, pharmaceutical analysis, and material characterization applications.

4.Aerospace and Defense Sensors
Aircraft and satellite sensor systems often encounter rapid temperature changes, vibration, and harsh operating conditions. The combination of low thermal expansion, high strength, and excellent infrared transmission enables reliable performance where optical failure is not acceptable.

5.Industrial Process Monitoring
Many industrial processes involve high temperatures, corrosive gases, or abrasive particles. Diamond optical windows protect sensitive sensors while maintaining accurate infrared measurements, reducing maintenance frequency and equipment downtime.

 

 

 

 

 

 

Parameter	Specification
Material	CVD Synthetic Diamond
Crystal Structure	Polycrystalline Diamond
Purity	≥99.9% Carbon
Transmission Range	UV to Far Infrared
Thermal Conductivity	Up to 1800–2200 W/m·K
Hardness	10 Mohs
Density	3.51 g/cm³
Thermal Expansion Coefficient	~1.0 × 10⁻⁶ /K
Surface Finish	Optical Grade Polished
Diameter Range	3 mm – 150 mm
Thickness Range	0.2 mm – 10 mm
Flatness	Up to λ/10
Surface Roughness	Ra < 10 nm (Custom Available)
Coating Options	AR Coating / Custom Optical Coatings
Operating Environment	Vacuum, High Temperature, Corrosive Conditions

 

 

 

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