Product type: Corning Optical Substrate. Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit. Model: RAYTEK-OG-0001#.
Overview
Premium Fused Silica Sheets for High-Precision Lens Manufacturing: an optical lens made from Corning Ule-7973. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Substrate | Corning Ule-7973 |
|---|---|
| Type | Corning Optical Substrate |
| Application | Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit |
| Model NO. | RAYTEK-OG-0001# |
| Stress Optical Coefficient | 4.15 (Nm/Cm)/(Kg/Cm2) |
| Abbe Constant | 58.1 |
| Strain Point | 890 Celsuis Degrees |
| Annealing Point | 1000 Celsuis Degrees |
| Softening Point (Estimated) | 1490 Celsuis Degrees |
| Main Applying Fields | 1).Excellent resistance to weathering. |
| Main Cooperation Materials Manufacturers | CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC |
| by T/T or Western Union. Delivery time | 7-10 days. |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| 2).Shear Modulus 29.0 GPa | |
|---|---|
| 3).Bulk Modulus 34.1 GPa | |
| 4).Poisson's Ratio 0.17 | |
| 5).Density 2.21 g/cm3 | |
| 6).Knoop Hardness (200g load) 460 kg/mm2 Ultimate Tensile Strength 49.8 MPa | |
| 7).Specific Stiffness (E/ρ) 3.12 x 106 m |
What to specify when you request a quote
- Material — listed as “Corning Ule-7973”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Selecting Fused Silica and Quartz Glass 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 Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Custom Special-Shaped Glass Plate.
