Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: OS-0123.
Overview
The High Transparent Polished Optical Barium Fluoride Rectangular Drilled Windows Baf2 Infrared Window Lens Glass is supplied as an optical lens in Optical Glass (Barium Fluoride 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 | Barium Fluoride |
| 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. | OS-0123 |
| Lenses Color | Clear |
| Broad-Spectrum High Transmittance | Consistent high transmittance across ultraviolet, visible and infrared full spectral ranges. |
| Low Spectral Dispersion | Ideal for aberration and color correction in high-precision optical systems. |
| Gamma Radiation Resistance | Verified by transmission testing, BaF2 shows high resistance to gamma radiation, making it a superior choice for space-borne optical instruments. |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Material | BaF2 |
|---|---|
| Density (g/cm3) | 4.89 |
| Index of Refraction | 1.48 |
| Operating Temperature (°C) | Max 800 |
| Wavelength Range (nm) | 200 – 12000 |
| Coefficient of Thermal Expansion CTE (10-6/°C) | 18.1 |
| Surface Quality | 60-40 |
| Parallelism | ≤ 3 arcmin |
| Clear aperture | >90% |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20 Scratch-Dig or Custom Manufacturing”; 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 Infrared Window Glass for Smart Home Appliance Sensors. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Infrared Windows.
