ISP Optics Diamond-Like Carbon (DLC) Coated Silicon Windows provide anti-reflection coating on one surface and a specially designed DLC coating on the other surface, making these windows highly durable and ideal for harsh environments. The DLC Coated surface is designed to withstand temperature cycling from -80 to +160°F, salt spray for a continuous period of 72 hours, and 1,000 wiper oscillations in a sand and slurry mixture. Further, these windows meet the MIL-F-48616 and MIL-C-48497C requirements for severe abrasion. Silicon features a Knoop Hardness of 1150 and low density, making it tougher than germanium substrates and suitable for weight-sensitive applications, respectively. ISP Optics Diamond-Like Carbon (DLC) Coated Silicon Windows are engineered for 3 to 5µm, making them ideal for infrared defense applications such as thermal imaging.
|Specification||AR Coating||DLC Coating|
|Adhesion||per MIL-C-48497C||per MIL-C-48497C|
|Abrasion||Moderate, per MIL-C-48497C||Severe, per MIL-C-48497C|
|Humidity||24 Hours per MIL-C-48497C||24 Hours per MIL-C-48497C|
|Salt Solubility||-||≥24 Hours Immersion per MIL-C-675C|
|Salt Spray||-||≥72 Hours per MIL-C-675|
|Temperature (°F)||-80 to +160 per MIL-C-48497C||-80 to +160 per MIL-C-48497C|
|Solubility and Cleaning||per MIL-C-48497||per MIL-C-48497|
|Wiper||-||≥1,000 Wipes of Sand/Slurry per TS-1888|
|Coating Temperature (°F)||-80 to +160 per MIL-C-48497C||-80 to +160 per MIL-C-48497C|
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Edmund Optics GmbH Germany acts as an agent for Edmund Optics Ltd. UK. The contract partner is Edmund Optics Ltd. UK.