Si Lens

Silicon is a good IR material, it can be used from 1.2 to 7 microns, its peak transmission range is in 3-5 micron. Silicon can be used in some circumstances where weight is a concern as that the density of Silicon is similar to optical glass. Silicon material is widely used in security and military applications.

Specifications

 

Material

Si

Dimension Tolerance

+0/-0.1mm

Thickness Tolerance

±0.2mm

Surface Quality

60/40 or better

Power(fringe@633nm)

3

Irregularity(fringe@633nm)

0.5

Centration

<3 arc minutes

Focal Length Tolerance

±2%

Clear Aperture

>90%

Chamfer

Protective <0.5mmx45deg

Coating

Request


 

 

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