Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: OS-0143.
Overview
High transmission Infrared Optical Crystal Calcium Fluoride CaF2 Blanks and Unpolished Lens is an optical lens made from Calcium Fluoride. Listed geometry: single-lens shape. Optical / electrical data: transmittance >95%. Supplied uncoated. It is used in 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 | Calcium Fluoride |
|---|---|
| Substrate | Calcium Fluoride |
| Type | Flat Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | Uncoating |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | OS-0143 |
| Lenses Color | Clear |
| Melting Point | 1420 Celsuis Degrees |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Material | calcium fluoride(CaF2) |
|---|---|
| Material Grade | VIR, UV,Raman grade, laser excime grade,lithography grade, low stress |
| Available Sizes | 3mm<φ<420mm |
| Wavelength Range | 130nm-10μm |
| Crystal Structure | Monocrystalline, Polycrystalline |
| Orientation | <111>, <110>, <100> |
| Blank Shape | Round, rectangular, wedge, lens, step, drilled, special-shaped |
What to specify when you request a quote
- Material — listed as “Calcium Fluoride”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Uncoating”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Infrared Windows.
