Substrate Material: |
Corning 7980, UVFS glass |
Mirror/Lens Design: |
Axicon configuration/concave version |
Outer Diameter: |
DIA 20.5, -0.1/+0mm |
Thickness: |
9.0,+/-0.2mm |
Axicon Apex Angle(Full): |
90-degree, +/-0.5-degree (full-angle) |
Height of Axicon: |
7.0 - 8.5mm typ |
Flat-Top Surface Quality: |
Clear polished 80-50 S/D |
Axicon Top Port Size: |
DIA14.0-17.0mm typ |
Axicon Surface Quality(S1): |
60-40 S/D |
Surface Accuracy(S1): |
<Lambda/4 @633nm over 10mm area of surface |
Axicon Surface Coating(S1): |
Bare gold coated for high reflection over 600nm to 20,000nm band.
(R >98% @ 1,000nm - 5,000nm, R>95% @ 800nm - 10,000nm) |
Back Flat Surface(S2): |
Polished 60-40 S/D; <L/2 @ 633nm over 90% of surface |
Hole Process(@Apex) |
Hole-through on axicon apex
Dia 1.5, +/-0.2mm; Depth 0.5 -2.0mm
Polished/clear internal hole surface |
Photo from Front Surface(S1): |
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Photo from Back Surface(S2): |
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