Product type: Ball. Application: Optical, Fiber Coupling. Model: SRY45.
Overview
Bk7 Optical Glass Ball Lens Stock Precision is an optical lens made from K9 Quartz Bk7 Sapphire Germanium Silicon Znse. Listed geometry: ball, hemisphere shape. Optical / electrical data: transmittance >95%. Coating: Polish+Coating; surface quality 20-10; flatness 1/4 Lambda. Typical applications: Optical and Fiber Coupling. 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 Sapphire Germanium Silicon Znse |
|---|---|
| Type | Ball |
| Shape | Ball, Hemisphere |
| Transmittance | >95% |
| Coating | Polish+Coating |
| Surface Quality | 20-10 |
| Flatness | 1/4 Lambda |
| Usage | Optical, Fiber Coupling |
| Model NO. | SRY45 |
| Lenses Color | Clear |
| Tolereance | +0.00/-0.002mm |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Diameter | 0.3mm -200mm |
|---|---|
| Diameter Tol. | +/-0.002 |
| Material | BK7 Fused Silica,Sapphire,ZnSe,Caf2,ruby. |
| Surface Quality | 40-20 standard |
| Sphericity | 0.003mm |
| Clear Aperture | >90% |
What to specify when you request a quote
- Material — listed as “K9 Quartz Bk7 Sapphire Germanium Silicon Znse”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “20-10”; 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 and Quartz Glass: Selecting Materials for 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 Infrared Window Glass for Smart Home Appliance Sensors. 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).
