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Silicon lenses

Silicon lenses hemispheres

Alkor Technologies - manufacturer of Silicon lenses for Thermal Imaging, Pyrometry and IR LED.

  • Low Dispersion and Density
  • Transmission from 1.2 to 7µm
  • Available with AR or DLC coating for 3-5µm
  • Custom Silicon lenses - Available in a wide variety of diameters and focal lengths
Silicon plano-convex lens
Cat# Dia,in Dia,mm EFL,mm CT,mm R,mm ET,mm
Si-px-12.7-25 0.5 12.7 25.4 2.3 61.66 2.0
Si-px-12.7-50 0.5 12.7 50.8 2.1 123.59 2.0
Si-px-25.4-50 1.0 25.4 50.8 2.6 123.59 2.0
Si-px-25.4-63 1.0 25.4 63.5 2.5 154.17 2.0
Si-px-25.4-76 1.0 25.4 75.0 2.4 184.50 2.0
Si-px-25.4-100 1.0 25.4 100 2.3 242.42 2.0
Si-px-25.4-150 1.0 25.4 150 2.2 363.54 2.0
Si-px-25.4-200 1.0 25.4 200 2.2 483.10 2.0
Si-px-25.4-254 1.0 25.4 254 2.1 608.10 2.0
Si-px-25.4-500 1.0 25.4 500 2.0 1213.9 2.0
Si-px-38.1-50

1.5

38.1 50.8 3.5 123.59 2.0
Si-px-38.1-63 1.5 38.1 63.5 3.2 154.17 2.0
Si-px-38.1-76 1.5 38.1 75.0 3.0 184.50 2.0
Si-px-38.1-100 1.5 38.1 100 2.8 242.42 2.0
Si-px-38.1-150 1.5 38.1 150 2.5 363.54 2.0
Si-px-38.1-200 1.5 38.1 200 2.4 483.10 2.0
Si-px-38.1-254 1.5 38.1 254 2.3 608.10 2.0
Si-px-38.1-500 1.5 38.1 500 2.2 1213.9 2.0
Si-px-38.1-1000 1.5 38.1 1000 2.1 2425.10 2.0
Si-px-38.1-2000 1.5 38.1 2000 2.0 4920.00 2.0
Si-px-50.8-76 2.0 50.8 76.2 4.3 184.50 2.5
Si-px-50.8-100 2.0 50.8 100 3.8 242.42 2.5
Si-px-50.8-150 2.0 50.8 150 3.4 363.54 2.5
Si-px-50.8-200 2.0 50.8 200 3.2 483.10 2.5
Si-px-50.8-254 2.0 50.8 254 3.0 608.10 2.5
Si-px-50.8-500 2.0 50.8 500 2.8 1213.90 2.5
Si-px-50.8-1000 2.0 50.8 1000 2.6 2425.10 2.5
Si-px-50.8-2000 2.0 50.8 2000 2.6 4920 2.5
Si-px-76.2-150 3.0 76.2 150 5.0 363.54 3.0
Si-px-76.2-200 3.0 76.2 200 4.5 483.10 3.0
Si-px-76.2-254 3.0 76.2 254 4.2 608.10 3.0
Si-px-76.2-500 3.0 76.2 500 3.6 1213.90 3.0
Si-px-76.2-1000 3.0 76.2 1000 3.3 2425.10 3.0
Si-px-76.2-2000 3.0 76.2 2000 3.2 4920 3.0
Any other custom shape, size and focal length are available upon request.

Custom Silicon lenses, IR LED lenses with DLC coating are available in any size and configuration.

Our Silicon Plano-convex (PCX) lenses feature precision polished surfaces, making them ideal for Near-Infrared imaging and infrared spectroscopy. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics.

Please do not hesitate to contact us for pricing for any custom size and coatings requirements.

Standard Specifications High Precision
Material Silicon - Czokralski or Float-zone
Dimensions ± 0.00/-0.10mm +0.00/-0.03
Thickness ± 0.10mm ±0.05
Focal length tolerance: +/-1% at 10.6µm +/-1% at 10.6µm
Surfaces 60/40 40/20
Edges Fine Ground
Surface irregularity ≤5 Fringes 0.2-0.5 Fringes
Centration 3 Arc mins 1 arc min

See Also: Silicon optics; Silicon meniscus lenses; ZnSe optics