Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography, Astronomy.
Overview
Dia5xL9mm Uncoated Optical Sapphire Rods is a precision glass tube / rod made from Optical Glass. Listed geometry: diameter 5.0+/-0.05mm, cylindrical shaped lens shape. Optical / electrical data: transmittance 90%-95%. Coating: HMC. Typical applications: Lighting, Medical, Optical, Photography and Astronomy. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Flat Lens |
| Shape | Cylindrical Shaped Lens |
| Diameter | 5.0+/-0.05mm |
| Transmittance | 90%-95% |
| Coating | HMC |
| Clear aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Lenses Color | Clear |
| Specifications | Items |
| Length | 9.0+/-0.1mm |
| R1 | infinity |
| R2 | infinity |
| End surfaces | PV<0.02mm |
| Cylindricity | <0.02mm |
| Perpendicularity | <0.05mm |
| Chamfer | protected |
| Standard | MIL-PRF-13830B |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Glass Rod | Material: | Sapphire(KY),random orientation |
| Diameter: | 5.0+/-0.05mm | |
| Length: | 9.0+/-0.1mm | |
| R1: | infinity | |
| R2: | infinity | |
| Flatness: | End surfaces:PV<0.02mm | |
| Circumference:N/A | ||
| Surface quality: | End surfaces:40-20 | |
| Circumference:fine ground | ||
| Cylindricity: | <0.02mm | |
| Perpendicularity: | <0.05mm | |
| Clear aperture: | >90% | |
| Chamfer: | protected | |
| Coating: | uncoated | |
| Standard: | MIL-PRF-13830B |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass (borosilicate 3.3, quartz, soda-lime).
- OD, ID and wall — listed as “5.0+/-0.05mm”; give outer and inner diameter or wall and their tolerances.
- Length and ends — listed as “9.0+/-0.1mm”; give length, end finish and any closed or flared ends.
- Straightness and bore — state straightness and bore tolerance for precision tubing.
Engineering guides for this part
For material grades and coating options, see Borosilicate Glass 3.3: Material & Coating Guide for Machined Parts. How parts like this are machined and finished is covered in Precision Bore Glass Tubing Processing: End-to-End Manufacturing for Industrial Buyers. For an application example, read Precision Borosilicate Glass Wafers for Appliance Sensor Components. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is 4-inch Borofloat 33 Glass Wafers.
