Product type: Convex Lens. Application: Optical, Infrared Image. Model: STF5t.
Overview
UV Fused Silica Jgs1 Plano Concave Lens with Ar Coating is an optical lens made from H-Bk7 Corning7980 Germanium Silicon Znse. Listed geometry: single-lens shape. Optical / electrical data: transmittance >95%. Coating: Polish+Coating; surface quality 10-5; flatness 1/20 Lambda. Listed for Optical and Infrared Image applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | H-Bk7 Corning7980 Germanium Silicon Znse |
|---|---|
| Type | Convex Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | Polish+Coating |
| Surface Quality | 10-5 |
| Flatness | 1/20 Lambda |
| Usage | Optical, Infrared Image |
| Model NO. | STF5t |
| Lenses Color | Clear |
| Tolereance | +0.00/-0.01mm |
| Certeration | <1arcmin |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Structure | Plano concave lens |
|---|---|
| Material | Optical glass, UVFS,Germanium, Silicon,CaF2,MgF2,ZnSe ZnS,Sapphire |
| Diameters Available | 0.1mm to 600mm |
| Diameter Tolerance | +0.00/-0.01mm or customer design |
| Surface Quality | 10-5 |
| Thickness tolerance | +0/-0.01mm |
| Clear Aperture | >90% of Diameter |
| Chamfer | 0.05-0.5mmx45degree,according to customer's needs. |
| Centeration | 3 arcmin |
| Coating | Single Mag2, Multiple Layers AR Coating A:350-650nm B:650-1050nm C:1050-1585nm D: Customer Design |
What to specify when you request a quote
- Material — listed as “H-Bk7 Corning7980 Germanium Silicon Znse”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “10-5”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Polish+Coating”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see JGS1 Quartz Glass for UV Optical and Precision Components. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. 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 Fused Silica Glass Wafers (2–12", JGS1/JGS2).
