Product type: Aspheres. Application: Lighting, Optical. Model: AT-61153.
Overview
Precision Custom Optical Aspheres for Innovative Lens Designs and Applications is an optical lens made from Optical Glass. Listed geometry: aspheres shape. Optical / electrical data: transmittance >95%. Coating: HC. Listed for Lighting and Optical applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Aspheres |
| Shape | Aspheres |
| Transmittance | >95% |
| Coating | HC |
| Usage | Lighting, Optical |
| Model NO. | AT-61153 |
| Lenses Color | Clear |
| NOTE | Manufacturing specification limits are dependent on required diameters and departure from best fit spheres. |
| Supplier | Shanghai Anttrans Technology Co., Ltd |
Technical data
| Contact Stylus Profiler | ~ 1.0 µm |
|---|---|
| Non-Contact Profiler | ~ 0.1 µm |
| 2-D Surface Interferometry | ~ 0.03 µm |
| Proprietary TASP tool | ~ 0.03 µm |
| Capability by Attribute | Units | Manufacturing Limits |
| Dimensional Tolerances | ||
| Diameter | mm | +0.000 / -0.002 |
| Center Thickness | mm | +0.010 / -0.010 |
| Radius | mm | < 1 fringe |
| Mechanical Departures | ||
| Bevel Sags | mm | +0.000 / -0.002 |
| Sag | mm | +0.000 / -0.002 |
| Wedge | mm | +0.0005 / -0.0005 |
| Aspheric Profile Tolerances | ||
| Irregularity (PV) | fringes | 0.05 |
| Irregularity | nm | 2 |
| Slope | fr/mm | 0.1 |
| Profile | µm | < 0.025 |
| Features | ||
| Bevels | mm | 0.3 |
| Roughness | Å | 2 |
| Scratch-Dig | < 20-10 |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “HC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica and Other Glass Materials for Machined Components. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
