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Diamond-Like Carbon (DLC) Coated Germanium Windows

Original price was: $312.00.Current price is: $99.99.

SKU: ZWRTD 39629 Categories: Optics, UV and IR Windows, Windows and Diffusers Tag: TECHSPEC®

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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 +160°F, 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.

Meets Severe Abrasion Requirements of MIL-C-675C
≥90% Transmission from 8 – 11.5µm
Ideal for Harsh Environments
Uncoated, 3-5 Micron BBAR, and 8 – 12 Micron BBAR Coated Germanium Windows are also Available
Due to material supply chain disruptions with germanium, there may be increased lead times and price changes on our germanium products. For more information, please contact our customer service team.

Bevel	Protective as needed
Coating Adhesion	AR: per MIL-C-48497A Paragraph 4.5.3.1 DLC: per MIL-M-13508C Paragraph 4.4.6
Note	Arrow on substrate edge points towards DLC coated surface
Coating Wiper Durability	AR: N/A DLC: ≥5,000 Wipes of Sand/Slurry per TS-1888
Coating Temperature (°F)	AR: -80 to +160 per MIL-C-48497A Paragraph 4.5.4.1 DLC: -80 to +160 per MIL-M-13508C Paragraph 4.4.4
Coating Solubility and Cleaning	AR: per MIL-C-48497A Paragraph 4.5.4.2 DLC: N/A
Coating Salt Spray	AR: N/A ≥24 Hours per MIL-C-675C paragraph 4.5.9
Coating Salt Solubility	AR: N/A DLC: ≥24 Hours Immersion per MIL-C-675C paragraph 4.5.7
Coating Humidity	AR: per MIL-C-48497A Paragraph 4.5.3.2 DLC: ≥24 Hours per MIL-C-675C paragraph 4.5.8
Coating Abrasion	AR: Moderate, per MIL-C-48497A Paragraph 4.5.3.3 DLC: Severe, per MIL-C-675C Paragraph 4.5.10
Clear Aperture (%)	90
Wavelength Range (nm)	8000 – 12000
Surface Quality	60-40
Surface Flatness (P-V)	λ/10 @ 10.6μm
Substrate	Germanium (Ge)
Parallelism (arcmin)	<1
Knoop Hardness (kg/mm2)	780
Edges	Fine Ground
Coating Specification	AR: Ravg ≤0.5% @ 8000 – 12000nm
Type of Window	Crystal