Product type: Flat Lens. Application: Optical. Model: CW-P25L1L2701.
Overview
Litao3 Wafer 40mm Optical Grade Lithium Tantalate Substrate for Filter: a glass wafer made from Optical Glass. Listed geometry: diameter 40mm, thickness 1mm, single-lens shape. Optical / electrical data: transmittance >95%. Coating: as Request. Typical applications: 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 |
| Diameter | 40mm |
| Thickness | 1mm |
| Transmittance | >95% |
| Coating | as Request |
| Usage | Optical |
| Model NO. | CW-P25L1L2701 |
| Lenses Color | Clear |
| Materials | Litao3 |
| Surface | Double Surface Polished |
| Supplier | VY Optoelectronics Co., Ltd. |
Technical data
| Material | LiTaO3 |
|---|---|
| Thickness | 1mm |
| Diameter | 40mm |
| Surface | Double Surfaces Polished |
What to specify when you request a quote
- Diameter and flat / notch — listed as “40mm”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “1mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “Double Surface Polished”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — 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 BOROFLOAT 33 & Alkali-Free Glass Wafers: Material Guide. How parts like this are machined and finished is covered in Precision Glass Hole Drilling & Micromachining for MEMS Wafers. For an application example, read Alkali-Free Glass Wafers for Appliance Display Substrates. A related standard product is Alkali-Free Glass Wafers.

