Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: RAY-OW042#.
Overview
CaF2 Optical Window/Calcium Fluoride Optical Window/Calcium Fluoride Window/CaF2 Lens: an optical lens in Optical Glass (Calcium Fluoride(CaF2) substrate). Listed geometry: thickness 1.0mm, 2.0mm, 3.0mm or Custom Manufacturing, single-lens shape. Optical / electrical data: wavelength 250-7000 Nm, transmittance >95%. Supplied uncoated; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/20 at 10.6um, Lambda/2 at 632.8nm. Listed for Lighting, Medical, Optical, Photography and Laser applications. 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 | Calcium Fluoride(CaF2) |
| Type | Optical Windows |
| Shape | Single-lens |
| Thickness | 1.0mm, 2.0mm, 3.0mm or Custom Manufacturing |
| Wavelength Range | 250-7000 Nm |
| 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. | RAY-OW042# |
| Lenses Color | Clear |
| Surface Flatness | Lambda/20 at 10.6um, Lambda/2 at 632.8nm |
| Products Name | CaF2 Optical Window |
| Alias | Calcium Fluoride optical window, Calcium Fluoride parallel window, Calcium Fluoride window, CaF2 parallel window, CaF2 parallel optical window, CaF2 windows, etc |
| Lens Substrates | Calcium Fluoride(CaF2) |
| Optional I | Calcium Fluoride(CaF2) |
| Optional II | Equivalent Calcium Fluoride(CaF2) |
| Applying Fields I | Ultraviolet spectrum or fluorescence imaging |
| Applying Fields II | The application of femtosecond infrared spectroscopy in infrared system |
| Main Optical Tech Specification | Lens Shape |
| CAW | +0.0/-0.1 mm |
| Popular Physical Size Specification | Basic Data |
| Main Cooperation Materials Manufacturers | CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Optional I: | Calcium Fluoride(CaF2)IR Grade Calcium FluorideVacuum UV Grade Calcium Fluoridefrom CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC |
|---|---|
| Optional II: | Equivalent Calcium Fluoride(CaF2)IR Grade Calcium FluorideVacuum UV Grade Calcium FluorideMade in China, C-laser own brands |
| Applying Fields I: | Ultraviolet spectrum or fluorescence imagingVisible spectrum or fluorescence imagingInfrared wavelength spectroscopy or fluorescence imaging |
|---|---|
| Applying Fields II: | The application of femtosecond infrared spectroscopy in infrared systemApplication of excimer laser in laser system |
| ***** |
| Lens Shape | Optical Parallel Window | Surface AccuracyIrregularity | – |
| Lens Material | Calcium Fluoride(CaF2) | Diameter Tolerance | CAW: +0.0/-0.1 mm10CF: ±0.20 mm |
| Damage Threshold | – | Wavelength Range | 250-7000 nm |
| Thickness Tolerance | – | Wedge | – |
| Surface Quality | 40-20cratch-dig | Clear Aperture | CAW: central 90% of diameter10CF: central 85% of diameter |
| Surface Flatness | – | OEM/ODM | Accepted |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “Basic Data”; 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 Flat Glass Polishing Process for Precision Substrates. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Infrared Windows.
