Product type: Aspherical or spherical lens. Application: Lighting, Optical, Photography, Thermal imaging. Model: IR lens.
Overview
IR thermal lens chalcogenide glass aspherical or spherical meniscus is an optical lens made from Chalcogenide glass. Listed geometry: diameter 170.00-0.06/-0.25mm, thickness 16.2.00+/-0.25mmmm, single-lens shape. Optical / electrical data: wavelength Infrared, transmittance 90%-95%. Coating: Anti-Reflection. It is used in Lighting, Optical, Photography and Thermal imaging. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Chalcogenide glass |
|---|---|
| Type | Aspherical or spherical lens |
| Shape | Single-lens |
| Diameter | 170.00-0.06/-0.25mm |
| Thickness | 16.2.00+/-0.25mmmm |
| Wavelength range | Infrared |
| Transmittance | 90%-95% |
| Coating | Anti-Reflection |
| Parallelism | < |
| Clear aperture | S1>62.0mm, S2>62.0mm |
| Usage | Lighting, Optical, Photography, Thermal imaging |
| Model NO. | IR lens |
| Lenses Color | Black |
| Thermal expansion | Low |
| Germanium | Equivalent to germanium material |
| R1 | 151.4+/-0.05mm, CX |
| R2 | 249+/-0.1mm, CC |
| S1&S2 | S-D 20-10 |
| Both edges | <0.5mmx45° |
| Standard | MIL-0-13830B |
| CPG is also an ISO | 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers. |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Material: | NHG IRG202 |
|---|---|
| Diameter: | 170.00-0.06/-0.25mm |
| Thickness: | 16.2.00+/-0.25mmmm |
| R1: | 151.4+/-0.05mm, CX |
| R2: | 249+/-0.1mm, CC |
| Surface quality: | S1&S2:S-D 20-10 |
| Parallelism: | <2' |
| Clear aperture: | S1>62.0mm, S2>62.0mm |
| Chamfer: | Both edges: <0.5mmx45° |
| Standard: | MIL-0-13830B |
What to specify when you request a quote
- Material — listed as “Chalcogenide glass”; name the glass or crystal.
- Geometry — listed as “170.00-0.06/-0.25mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “<0.5mmx45°”; state centration and edge chamfer.
- Coating — listed as “Anti-Reflection”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is AR-Coated High-Transparency Optical Glass.
