Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography. Model: OW-8.
Overview
Round Mgf2 Windows/ High Quality Optical Glass Wafer with Coating is a glass wafer made from Mgf2. Listed geometry: flat shape. Optical / electrical data: transmittance >95%. Typical applications: 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 | Mgf2 |
|---|---|
| Type | Optical Windows |
| Shape | Flat |
| Transmittance | >95% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | OW-8 |
| Lenses Color | Clear |
| Note | These optical windows are very sensitive to thermal shock. |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Name | MgF2 window |
|---|---|
| Material | Magnesium Fluoride MgF2 |
| Irregularity (fringe) | l/4 |
| Diameter Tolerance | +/- 0.02mm |
| Thickness Tolerance | +/- 0.02mm |
| Clear Aperture | >90% |
| Parallelism | 30 arc sec |
| Surface Quality | 20/10 |
| Wavefront Distortion | l/4 per 25mm |
What to specify when you request a quote
- Diameter and flat / notch — state diameter, flat or notch and their tolerances.
- Thickness and TTV — give thickness, its tolerance and total thickness variation.
- Polish and roughness — specify single- or double-side polish and roughness.
- Flatness, bow and warp — quote flatness, bow and warp limits.
- Material grade — listed as “Mgf2”; name the grade (JGS1/JGS2, Borofloat 33, alkali-free, sapphire orientation).
Engineering guides for this part
For material grades and coating options, see Fused Quartz Wafer Substrate Selection: Materials & Coatings for Semiconductor and Optical Systems. 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. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Alkali-Free Glass Wafers.
