ALKOR Technologies - your CRYSTAL optics supplier.   ALKOR Technologies - your CRYSTAL optics supplier.
ALKOR Technologies - your CRYSTAL optics supplier.
Silicon>>Silicon lenses

Silicon lenses: plano-convex, meniscus, hemispherical Silicon lenses

Silicon hemisphere lens

Alkor Technologies - manufacturer of Silicon lenses for Thermal Imaging, Pyrometry and Thz applications.

  • Low Dispersion and Density
  • Transmission from 1.2 to 7Ám
  • High resistivity hyper- and hemispherical lens available for THz applications
  • Available with AR or DLC coating for 3-5Ám, thin Floatzone Si lenses can be used in 8-12Ám range
  • 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-12.7-12.7 0.5 12.7 12.7 2.7 30.73 2.0
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-25.4-25.4 1.0 25.4 25.4 3.4 61.66 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-38.1-38.1

1.5

38.1 38.1 4.0 92.2 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-50.8-50.8 2.0 50.8 50.8 5.2 123.59 2.5
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-76.2-76.2 3.0 76.2 76.2 6.5 184.5 3.0
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
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. We also offer HRFZ-Si lenses of different types: hyper-/hypo-/hemispherical, bullet for Thz applications.

Our Silicon Plano-convex (PCX) lenses ideal for Near-Infrared imaging and infrared spectroscopy. Silicon lenses 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 10.6Ám +/-1% at 10.6Ám
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