Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: RAY-OW040#.
Overview
The Sapphire Parallel Window/Sapphire Optical Windows/Sapphire Optical Lens is supplied as an optical lens in Optical Glass (Sapphire 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; flatness 2lambda at 633nm or Custom Manufacturing. 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 | Optical Glass |
|---|---|
| Substrate | Sapphire |
| 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. | RAY-OW040# |
| Lenses Color | Clear |
| Surface Flatness | 2lambda at 633nm or Custom Manufacturing |
| Products Name | Sapphire Parallel Window |
| Lens Substrates | Sapphire |
| Optional I | Sapphire Substrates |
| Optional II | Equivalent Sapphire Substrates |
| Uncoating | Wide transmission range |
| Applying Fields I | Harsh optical applying conditions. |
| Applying Fields II | Other |
| Main Optical Tech Specification | Lens Shape |
| SAW | 0.008 for visible light orthogonal to optical axis |
| SW8 | central 80% of diameter |
| 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: | Sapphire Substratesfrom CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC |
|---|---|
| Optional II: | Equivalent Sapphire SubstratesMade in China, C-laser own brands |
| Applying Fields I: | Harsh optical applying conditions.Make an observation window to observe the interior of vacuum cavity or cavity containing high temperature plasma |
|---|---|
| Applying Fields II: | Other |
| ***** |
| Lens Shape | Optical Parallel Window | Surface AccuracyIrregularity | – |
| Lens Material | Sapphire | Surface Accuracy, Power | – |
| Antireflection Coating | Uncoating | Thermal Limit | 22 W m-1 K-1 |
| Coating Type | – | Thermal Expansion Coefficient | 8.4 x 10-6 K-1 |
| Coating Code | – | Edge Finish | Ground and beveled |
| Wavelength Range | 150-5000nm | Birefringence | SAW: 0.008 for visible light orthogonal to optical axis |
| Surface Quality | 40-20 scratch-dig80-50 scratch-dig | Clear Aperture | SW8: central 80% of diameterSAW: central 90% of diameter |
| Surface Flatness | 2λ at 633 nmλ/4 at 633 nm | 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 AR Anti-Reflection Optical Window.


