Silicon Lens,infrared-lens,thermal lens

Material : Monocrystal line silicon N type.

resistivity : 5-40Ω, crystallographic orientation 111

Specification : Φ6.65,

Center thickness=2mm

F=1.95

(Center thickness=1.5mm, F=3.9/5.5)

Precision (the highest) :

N=5-10 ,

B=40/20 ,

C=0.1

Output : 100K-200K/month

Size : according to your requires

Thickness : according to your requires

Diameter T: olerance ±0.01mm

Thickness Tolerance ±0.01 mm

Surface transmittance :65%--95% (based on different coating area and coating technical)

Surface Quality : (Scratch-Dig) 60-40 (according to your requires)

Spherical Surface Powerb :λ/2 (according to your requires)

Shape : Plano-convex or Plano-concave or window plate

Centration : <3′

Clear aperture >= 90%central of the diameter

Wavelength according to your requires

Coating: AR coating or other selection (according to your requires)

Surface transmittance :65%--95% (based on different coating area and coating technical)