Ge lens

Substrate:Germanium or other optical crystal

Product Description

Applicable to infrared imaging monitoringtelemetry and infrared spectroscopic optical system

Diameter Focal length Radius Center thuckness edges thickness
16.5 20 60 1.8 1
20/25.4 25.4mm 76.3mm 3.1mm 2.0mm
20/25.4 50mm 150.3mm 4.0mm 3.5mm
20/25.4 75mm 225.5mm 4.0mm 3.6mm
20/25.4 100mm 300.7mm 1.8mm 1.5mm
20/25.4 150mm 451.0mm 4.0mm 3.8mm
20/25.4 200mm 601.4mm 4.0mm 3.9mm
20/25.4 500mm 1501.9mm 2.1mm 2.0mm
20/25.4 750mm 2252.9mm 2.0mm 2.0mm
20/25.4 1000mm 3303.9mm 2.0mm 2.0mm

Product Parameters

Additional information

Size range

1-600mm / 2-600mm

Diameter tolerance

±0.1mm / ±0.025mm

Thickness tolerance

±0.1mm / ±0.025mm


±3' / ±1'

Surface quality

60-40 / 40-20

Surface accuracy

1.0λ / λ/10 λ/20


3-5μm or 8-12μm T>97%

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