Product type: Convex Lens. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: OL-0072.
Overview
Optical Glass Bk7 Positive Meniscus Lens for Infrared Precision Optical Instrument: an optical lens in Optical Glass (Optical Glass, UV Fused Silica Substrate substrate). Listed geometry: single-lens shape. Optical / electrical data: wavelength Uncoated, transmittance >95%. Supplied uncoated; surface quality 20-10 Scratch-Dig or Custom. 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 | Optical Glass, UV Fused Silica Substrate |
| Type | Convex Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | Uncoated |
| Surface Quality | 20-10 Scratch-Dig or Custom |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | OL-0072 |
| Lenses Color | Clear |
| Ar Coating Wavelength | Uncoated |
| Coating Type | Uncoated |
| Uncoated | 350 nm to 2.0 µm |
| A Coated | 350 – 700 nm |
| B Coated | 650 – 1050 nm |
| C Coated | 1050 – 1700 nm |
| Spherical Surface Power | 3λ/2 |
| Spherical Surface Irregularity | λ/4 |
| Industrial Equipment | Laser marking machines, cutting machines, engraving machines, optical sensors |
| Electronic Devices | Cameras, projectors, optical communication equipment, medical imaging devices |
| Automotive Industry | Vehicle-mounted cameras, HUD (Head-Up Display) systems |
| Aerospace | Optical detection equipment, satellite communication systems |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Material | N-BK7 or other optical glass |
|---|---|
| Focal length tolerance | +/-1% |
| Diameter tolerance | +0.1/-0.025mm |
| Thickness tolerance | +/-0.1mm |
| Dimmension | 1 to 300mm round or square |
| Surface quality | 60/40,40/20 or better |
| Centration | 3 min |
| Clear aperture | >90% |
| Bevelling | Protective bevel as needed |
| Coating | AR coating or upon your request |
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 “20-10 Scratch-Dig or Custom”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Uncoated”; 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 Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Infrared Windows.
