IR Lenses & Visible Optics
Naked Optics Corp. supplies a wide variety of precision optical components manufactured to your specifications utilizing modern CNC finishing equipment and metrology and conventional polishing processes.
Fine Finishing Expertise
- Infrared Lenses
- Infrared Prisms
- Aspheric Lenses
- Aspheric Mirrors
- Visible Lenses, Achromats, Prisms, Domes, Mirrors, Filters
Specifications & Tolerances
We hold the following typical form and roughness tolerances for polished optical surfaces and single-point diamond-turned optical surfaces.
This table is meant only as a rough guide as actual specifications are strongly dependent upon component geometry.
Polished Optical Specifications
| Parameter | Range |
|---|---|
|
Diameter range |
4 to 400 mm |
|
Diameter tolerance |
± 0.02 mm |
|
CT tolerance |
± 0.01 mm |
|
Flatness |
0.2 – 0.5 fringe (0.06 -.0.3 μm) |
|
Radius of curvature |
± 0.1% |
|
Sagita deviation (Power) |
≤ 1 fringe (0.32 μm) |
|
Irregularity (PV) |
≤ 0.2 fringes / 0.06 μm |
|
Slope tolerance |
≤ 1 arc sec / 0.005 mrad |
|
Edge thickness variation |
25 μm |
|
Digs |
2 x 0.016 |
|
Scratches |
L2 x 0.008 |
|
MIL - Scratch / Dig |
10 - 5 |
|
Surface roughness (Rq) |
< 5 nm |
Diamond-Turned Specifications
| Material | Roughness (ra) | Surface Span (μm) |
|---|---|---|
|
ZnS or Cleartran® |
4 nm |
≥0.25 |
|
ZnSe |
5 nm |
≥0.25 |
|
Germanium |
3 nm |
≥0.25 |
|
Silicon |
< 12 nm |
≥0.25 |
|
Chalcogenide Glass |
5 nm |
<0.4 |
|
CaF2 & BaF2 |
< 10 nm |
<0.4 |
|
Acrylic |
5 nm |
≥0.3 |
|
Zeonex ® |
8 nm |
≥0.3 |
|
Polycarbonate |
< 10 nm |
<0.4 |
|
Aluminum |
< 8 nm |
0.125 to 1.0 |
|
Other Metals |
3 to 8 nm |
0.3 to 1.0 |
ITAR NOTE: Naked Optics Corp. is registered with the DDTC, registrant code M17420. Information provided to our overseas partners is in accordance with and under the authority of 22 CFR 125.4 (b)(2). Technology transfer is authorized under Technical Assistance Agreements as amended by the U.S. Government. It is not transferred to any unapproved party or otherwise be disposed of in any other country, either in their original form or after being incorporated into other end items without the prior written approval of the U.S. Department of State. Copies of our agreements are available for review upon customer request.
Integrate our stock IR and aspheric lenses, prisms, mirrors, and other optical components seamlessly into your design.
Contact us for details on our ready-to-ship stock.
