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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Diamond-Like Carbon (DLC) Coated Germanium Windows

TECHSPEC® Diamond-Like Carbon (DLC) Coated Germanium Windows

TECHSPEC® Diamond-Like Carbon (DLC) Coated Germanium Windows

  • Meets Severe Abrasion Requirements of MIL-C-675C
  • ≥90% Transmission from 8 - 11.5µm
  • Ideal for Harsh Environments

TECHSPEC® Diamond-Like Carbon (DLC) Coated Germanium Windows have been designed with durability in mind. Featuring a high efficiency broadband anti-reflection coating on one surface and a specially designed DLC coating on the other surface, these windows feature excellent transmission and environmental resistance. The DLC coated surface is designed to withstand temperature cycling from -80 to +120°C, salt spray for a continuous period of 24 hours, salt solubility for an immersion period of 24 hours, and 5,000 wiper oscillations in a sand and slurry mixture. Further, TECHSPEC DLC Coated Germanium Windows meet the MIL-C-675C requirements for severe abrasion.

Technical Information

Coating Specifications
Specification AR Coating DLC Coating
Adhesion per MIL-C-48497A Paragraph per MIL-M-13508C Paragraph 4.4.6
Abrasion Moderate, per MIL-C-48497A Paragraph Severe, per MIL-C-675C Paragraph 4.5.10
Humidity per MIL-C-48497A Paragraph ≥24 Hours per MIL-C-675C paragraph 4.5.8
Salt Solubility - ≥24 Hours Immersion per MIL-C-675C paragraph 4.5.7
Salt Spray - ≥24 Hours per MIL-C-675C paragraph 4.5.9
Temperature (°C) -80 to +160 per MIL-C-48497A Paragraph -80 to +160 per MIL-C-48497A Paragraph
Solubility and Cleaning per MIL-C-48497A Paragraph -
Water Solubility 24 Hours, per MIL-C-48497A Paragraph -
Wiper - ≥5,000 Wipes of Sand/Slurry per TS-1888

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