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Germanium (Ge) Plano-Convex (PCX) Lenses

Original price was: $188.00.Current price is: $96.99.

SKU: ZWRTD 14233 Categories: Optical Lenses, Optics, Plano-Convex Lenses Tag: TECHSPEC®

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TECHSPEC® Germanium (Ge) Plano-Convex (PCX) Lenses feature precision diamond turned substrates that are available uncoated or with a variety of broadband anti-reflection (AR) coatings from 3 – 12µm. Germanium is chemically inert and insoluble in water with a Knoop Hardness of 780, making it ideal for defense, security, and thermal imaging applications requiring rugged optics. However, germanium is subject to thermal runaway and should be used at temperatures below 100°C to ensure optimal transmission. TECHSPEC® Germanium (Ge) Plano-Convex (PCX) Lenses are available in 12.5, 25 and 50mm diameters. Germanium’s high index of refraction (4.003) yields significant Fresnel reflection loss without anti-reflection coatings. TECHSPEC® Germanium (Ge) Plano-Convex lenses are available uncoated or with multiple Broadband Anti-Reflection (BBAR) coatings for enhanced transmission in the Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR).

For more information on Germanium properties, please review our guide to selecting The Correct Material for Infrared (IR) Applications.

Available Uncoated or Coated for 3 – 5, 3 – 12, and 8 – 12µm
Minimal Chromatic Aberration Due to Low Dispersion
Ideal for Defense, Security, and Thermal Imaging Applications
Additional Infrared Lenses Available in Popular Substrates
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.