Product type: Convex Lens. Application: Lighting, Medical, Optical, Photography, Infrared Image.
Overview
20X20X3mm Metallic Gold Coating Plano Concave Cylinder Optical Mirror is an optical mirror 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 1/10lambda. Typical applications: Lighting, Medical, Optical, Photography and Infrared Image. 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 | 1/10lambda |
| Usage | Lighting, Medical, Optical, Photography, Infrared Image |
| Lenses Color | Clear |
| Tolereance | +0.00/-0.02mm |
| Certeration | <1arcmin |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Structure | Plano convex 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 Infrared Window Glass: Material Options for Optical Sensors & Parts. How parts like this are machined and finished is covered in Chalcogenide Glass Coating for IR Optical Components. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Technical Guide to Glass Thickness and Flatness Requirements. A related standard product is Laser Beam Splitter Glass Sheet.
