Product type: Windows. Application: Lighting, Medical, Optical, Photography. Model: TT Window 195.
Overview
The OEM Customized Heat Resistant Optical Square Round Quartz Glass Plate is supplied as a precision glass plate / sheet made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 60-40; flatness 1lambda. It is used in Lighting, Medical, Optical and Photography. 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 | Windows |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 60-40 |
| Parallelism | <3arcmin |
| Clear Aperture | 90% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Window 195 |
| Lenses Color | Clear |
| Abbe Number | 67.8ND |
| Bevel | Protective as Needed |
| Density | 2.20g/cm3 |
| Index of Refraction | 1.458ND |
| Edges | Fine Ground |
| Surface Flatness | 1lambda |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| 1.Material | FS or based on clients' requirments |
|---|---|
| 2.Dimensional tolerances | 0/-0.05mm |
| 3.Thickness tolerance | ±0.02mm |
| 4.Clear aperture | >90% |
| 5.Parallelism | 5 arc seconds |
| 6.Transmission wavefront distortion | Lambda/10(per 50.8mm diameter) |
| 7.Surface Quality | US Standard10-5 or ISO Standard 3X0.16 |
| 8.Edge Chip | <0.1mm |
| 9.Bevel | Based on clients' requests |
| 10.Coating | Apply AR or AF coating or conductive coating(ITO) or based on client requests |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or quartz grade.
- Outline and thickness — listed as “as Required”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Single-lens”; dimension every hole and its position tolerance on the drawing.
- Edges — listed as “Protective as Needed”; state edge finish and chamfer.
- Surface — listed as “60-40”; state polish and flatness where they matter.
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 Flat Glass Polishing Process for Precision Substrates. For an application example, read Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Custom Ultra-Thin Quartz Glass Disc.
