IR Materials - Ge

• Company: HHV Advanced Technologies Pvt. Ltd., Thin Films & Optics Div.
• Type: Other
• Diameter / Dimension: 10mm - 400mm
• Applications: Biomedical/Medical, Industrial, Military, Scientific Research, Other
• Surface Flatness: λ/6 for every 25mm dia
• Irregularity (PV): λ/6 for every 25mm dia
• Parallelism: <30 arc sec
• Surface Quality: 40:20
• Centering Accuracy: <=10 µm
• Clear Aperture: 90% of mechanical dimension

Coating Specifications:
Wavelength:8-12

1. With HEAR coating on S1 & S2: Tavg ≥98%,Ravg ≤0.5% in 8-12µm region.
Durability: MIL-C-48497A
2. DLC+ HEAR: Tavg ≥90%, Ravg ≤2% in 8-12µm region.
Durability:MIL-C-48497A, TS-1888

Our AR coatings contain no radioactive materials and have a high transmission in the MWIR bands for Germanium. The DLC coatings possess high hardness
and high transmission in the MWIR band for Germanium.