球面透镜

球面透镜

Specifications:

Material

N-BK7, H-K9L, Fused Silica, N-SF10, Silicon, CaF2, Sapphire, etc.

Typical Diameter (Фmm)

10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8, etc.

Diameter Tolerance (mm)

+0.0/-0.2 (General), +0.0/-0.02 (High Precision)

Paraxial Focal Length Tolerance (mm)

±2%

Centration

<3 arc min

Clear Aperture

>80% (Small Size), >95% (Large Size)

Surface Figure (per 25mm @ 633nm)

<1.5λ(General), <λ/4 (High Precision)

IRR ( @633nm)

<λ/4 (General), <λ/10 (High Precision)

Surface Quality: scratch/dig

60/40 (General), 10/5 (High Precision)

Bevel (face width x 450)

<0.25mm

Coating

upon customer’s request

-

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Add: 4/F, 12th Bldg, Taijiang Industrial Park, Juyuanzhou Industrial Zone, Fuzhou, Fujian, China