Silicon Lenses / Silicon Mirrors

Standard

Application: optical grade Si for IR
Production Methode: CZ
Type: N-type
Dopand: Phos
Resistivity: >20 ohmcm
Transmission: 50% in 2 to 5 micron wavelength

Special

Production Methode: Float Zone Si for high transmission

Lenses

Forms: convex,concave,menisk
Diameter: 6 to 125mm
Focal Distance: 2mm to infinity
Tolerance of focal distance: +/-1%
Free aperture: 90%
Surface: lambda/4 per inch at 633nm
Surface quality: down to MIL 60-40 scr/dig
Coating: on request
Bevel: on request

Cylindrical Lenses

Forms: plane convex, plane concave
Focal Distance: 40 - 10000 mm / -40 - -10000mm
Tolerance of Focal distance. +/-4%
Length, width 10 - 200 mm
All other values as above

Spherical Mirrors

Diameter: 4 - 125mm
Focal Distance: 4mm to infinity
Coating: metallic
All other values as above

We are able to produce on request otical components to tighter specifications.