Product type: Convex Lens. Application: Optical, Laser. Model: SRT89.
Overview
The Optical Glass Achromatic Doublet Cylindrical Lens Coated 400-700nm is supplied as an optical lens made from K9 Quartz Bk7 Corning7980 Germanium Silicon Znse. Listed geometry: cylindrical shaped lens shape. Optical / electrical data: transmittance >95%. Coating: Polish+Coating; surface quality 10-5; flatness 1/10lambda. It is used in Optical and Laser. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | K9 Quartz Bk7 Corning7980 Germanium Silicon Znse |
|---|---|
| Type | Convex Lens |
| Shape | Cylindrical Shaped Lens |
| Transmittance | >95% |
| Coating | Polish+Coating |
| Surface Quality | 10-5 |
| Flatness | 1/10lambda |
| Usage | Optical, Laser |
| Model NO. | SRT89 |
| Lenses Color | Clear |
| Tolereance | +0.00/-0.01mm |
| Certeration | <1arcmin |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Structure | Cylindrical lens |
|---|---|
| Material | Optical glass, UVFS,Germanium, Silicon,CaF2,MgF2,ZnSe ZnS,Sapphire |
| Diameters Available | 0.5mm to 600mm |
| Diameter Tolerance | +0.00/-0.01mm or customer design |
| Surface Quality | 10-5 |
| Thickness tolerance | +0/-0.02mm |
| 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 “K9 Quartz 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 Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. 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).
