Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: OW-0091.
Overview
Custom Optical Glass Bk7 Wafer Mgf2 Windows Magnesium Fluoride Mgf2 Window Lens for Infrared Usage is a glass wafer in Optical Glass (Sapphire Bk7 Quartz substrate). Listed geometry: thickness 2-3.2mm or Custom Manufacturing, single-lens shape. Optical / electrical data: wavelength 150-5000nm, transmittance >95%. Supplied uncoated; surface quality 40-20 Scratch-Dig or Custom Manufacturing. Typical applications: Lighting, Medical, Optical, Photography and Laser. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Substrate | Sapphire Bk7 Quartz |
| Type | Optical Windows |
| Shape | Single-lens |
| Thickness | 2-3.2mm or Custom Manufacturing |
| Wavelength Range | 150-5000nm |
| Transmittance | >95% |
| Coating | Uncoating |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | OW-0091 |
| Lenses Color | Clear |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| production name | optical window plate |
|---|---|
| material | sapphire BK7 k9 quartz glass |
| surface quality | 60/40 |
| size | custom |
| angle tolerance | +/-3' |
| flat | 1/4 |
| coating | ar coated 400-700nm |
| color | transparents |
| application | optical equipment |
What to specify when you request a quote
- Diameter and flat / notch — state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “2-3.2mm or Custom Manufacturing”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “40-20 Scratch-Dig or Custom Manufacturing”; 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.
