Cleartran™ (Zinc sulfide)

ZnS is manufactured through process gases. Introduced into a vacuum chamber, they adsorb on a hot substrate surface and react to ZnS-films. This process is called chemical vapor deposition (CVD).

• Transmission range: 0.5 - 15 µm
• High fracture strentgh
• Parallelism: 3 arcminutes
• Planarity: 1/20 wavelengths at 10.6 µm
• Surface quality: 60/40
• Bakeable up to 200 °C (392 °F)