Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography. Model: Magnesium Fluoride (mgf2) Crystal Window.
Overview
The Optical Glass Magnesium Fluoride Wafer Mgf2 Windows Magnesium Fluoride-Mgf2 Window is supplied as a glass wafer made from Optical Glass. 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 | Optical Glass |
|---|---|
| Type | Optical Windows |
| Shape | Flat |
| Transmittance | >95% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | Magnesium Fluoride (mgf2) Crystal Window |
| Lenses Color | Clear |
| Note | These optical windows are very sensitive to thermal shock. |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Diameter | 0.2-300mm |
|---|---|
| Thickness | 0.1-100mm |
| Dimension tolerance | +/-0.1mm or +/-0.02mm |
| Surface quality (scratch & dig) | 60/40, 40/20 or better |
| Clear aperture | >85%, >90% |
| Surface accuracy | L/10 L/2 L |
| Parallelism | +/-3' ,+/-30'' |
| Bevel | 0.1~0.3mm x 45 degree |
| Coating | AR, BBAR or Custom |
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 “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. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Alkali-Free Glass Wafers.

