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Germanium (Ge) Lenses are ideal for use in Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) applications, including thermal imaging, spectroscopy, or FLIR. Additionally, Germanium’s Knoop Hardness of 780 is well suited for rugged environments. Due to thermal runaway, or the decrease in transmission as temperature increases, Germanium (GE) Lenses should be used at temperatures below 100°C. Germanium’s high density (5.33 g/cm3) should be considered when designing for weight-sensitive systems.
Plano-Convex (PCX) Lenses have a positive focal length, making them ideal for collecting or focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, or fiber optics. Note: #66-124 Kit contains all 9 25.4mm diameter Uncoated Germanium PCX Lenses.