Product type: Laser Protective Lens. Application: Optical, Protect The Focusing Lens. Model: D20.
Overview
Laser Optical Quartz Lens High Power: an optical lens made from Fused Silica. Listed for Optical and Protect The Focusing Lens applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Fused Silica |
|---|---|
| Type | Laser Protective Lens |
| Usage | Optical, Protect The Focusing Lens |
| Model NO. | D20 |
| Standard Component | Standard Component |
| Weight | 0.5kg |
| Head Model | Wsx/Qilin/Hanwei |
| Supplier | Demark (Wuhan) Technology Co., Ltd |
Technical data
| Material | High temperature resistant quartz crystal |
|---|---|
| Coating | Double-sided AR coating |
| equipment | German optical equipment |
| Process | Slicing, spheronization, polishing, polishing, vacuum high-temperature coating, sorting, ultrasonic cleaning, manual inspection, packaging, etc. |
| Diameter | range 20-140mm |
|---|---|
| Thickness | range 1-9MM |
| Diameter tolerance | ±0.01mm |
| Thickness tolerance | ±0.01mm |
| Wavelength | 1010-1100mm |
| Transmittance | 99.998% |
| Clear aperture | 290% |
| Parallelism | 0.1mm |
What to specify when you request a quote
- Material — listed as “Fused Silica”; 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 Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
