Product type: Flat Lens. Application: Optical. Model: FW-sapphire.
Overview
High Quality Sapphire Rods and Sapphire Tubes is a precision glass tube / rod made from Optical Glass. Listed geometry: size Customized, thickness Customized, single-lens shape. Optical / electrical data: transmittance >95%. It is used in Optical. 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 | Single-lens |
| Size | Customized |
| Thickness | Customized |
| Transmittance | >95% |
| Usage | Optical |
| Model NO. | FW-sapphire |
| Lenses Color | Clear |
| Growth Method | Ky |
| Supplier | Jiaozuo Commercial Finewin Co., Ltd. |
Technical data
| Refractive index (nd) | 1.768 |
|---|---|
| Coefficient of dispersion (Vd) | 72.2 |
| Density (g/cm3) | 3.97 |
| TCE(μm/mºC) | 5.3 |
| Soften Temperature(ºC) | 2000 |
| Knoop hardness(kg/mm2) | 2200 |
| Diameter | 0.2-300mm +/-0.1mm or +/-0.02mm or customization |
|---|---|
| Thickness | 0.10-100mm± 0.1mm or +/-0.02mm |
| Surface quality (scratch & dig) | 60/40, 40/20 or better |
| Surface accuracy | λ/10, λ/2, λ |
| Clear Aperture | >85%, >90% |
| Parallelism | +/-3' ,+/-30'' |
| Bevel | 0.1~0.3mm×45 degree |
| coating | AR, BBAR or upon customer request( UV, VIS, IR) |
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 “Customized”; give outer and inner diameter or wall and their tolerances.
- Length and ends — 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 Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance. 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 BF33 Microfluidic Glass Chip for Rapid Testing.
