Product type: Convex Lens. Application: Lighting, Optical. Model: FW-LN.
Overview
The Glass Wafer High Purity Fused Quartz Optical Properties and Corrosion Resistance is supplied as a fused silica / quartz wafer made from Optical Glass. Listed geometry: diameter 1mm-500mm, thickness 0.05mm to 100mm, cylindrical shaped lens shape. Optical / electrical data: transmittance >95%. Coating: UV; surface quality 40/20;60/40; flatness 1/4 Lambda. It is used in Lighting and 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 | Convex Lens |
| Shape | Cylindrical Shaped Lens |
| Diameter | 1mm-500mm |
| Thickness | 0.05mm to 100mm |
| Transmittance | >95% |
| Coating | UV |
| Surface Quality | 40/20;60/40 |
| Clear Aperture | >90% of Diameter |
| Usage | Lighting, Optical |
| Model NO. | FW-LN |
| Lenses Color | Clear |
| Coat | Anti-Reflective (Ar) Coatings |
| Clear Aperture: >90% of Diameter | >90% of Diameter |
| Surface Flatness | 1/4 Lambda |
| Substrate Material | optical glass,quartz,pyrex,sapphire,znse,caf2,ge,si,etc |
| Diameters Available | 1mm to 400mm |
| Diameter Tolerance | +0.00/-0.005mm or customer design |
| Supplier | Jiaozuo Commercial Finewin Co., Ltd. |
Technical data
| Material | N-bk7,H-K9L,Fused Silica,N-SF10,Silicon,CaF2,Sapphire etc. | ||
| Length | 2~300mm | Centration | <3 arc min |
| Height | 2~300mm | Clear Aperture | >90% |
| Radius | >1.5mm | Flatness(per 25mm at 632.8nm) | <1.5Lambda(General)<1/4Lambda(High Precision) |
| Center Thickness | >0.5mm | Irregularity of Fringes | 0.2-0.5 Lambda |
| Focal Length | 3~3000mm | Surface Quality(S/D) | 60/40,40/20 or better |
| Size Tolerance(mm) | +/-0.1mm,+/-0.05mm | Chamfer | <0.25mmx45 degree |
| Center Thichness Tolerance(mm) | +/-0.1mm,+/-0.05mm | Coating | Uncoated,AR,BBAR,Reflective |
| Focal length Tolerance(mm) | ±1% | Design Wavelength | 632.8nm |
What to specify when you request a quote
- Diameter and flat / notch — listed as “1mm-500mm”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “0.05mm to 100mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “40/20;60/40”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “1/4 Lambda”; quote flatness, bow and warp limits.
- Material grade — listed as “Optical Glass”; name the grade (JGS1/JGS2, Borofloat 33, alkali-free, sapphire orientation).
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 Precision CNC Machining of Quartz & Fused Silica Components. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. 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).
