Band-Optics is much experienced in offering spherical lenses for 8 years with dimenions from Dia 1.0mm to 800mm. Customized optics are produced according to customers’ drawings and requirements of precision, shapes can be circular, square, irregular, Eccentric. We are able to provide you customized lenses designed from UV to IR applications, with substrates sucs as UV fused silica, Corning, schott to crystalline materials such as Germanium and silicon.
We have accumulated a lot of experience in producing lenses which can be applied in following industries: Medical: Endoscopy, cosmetology & ophthalmology Laser: Laser cutting, marking and engraving Semiconductor: Wafer vision equipment, Visual radar equipment Aerospace: Optical tracking equipment, Optical relay equipment Military: Optical analog device, High power laser lenses
Belows are the precision requirements that we can provide for lenses:
Standard | Precision grade | Factory standard | Commercial grade |
Dimensional tolerance | +/-0.01mm | +/-0.03mm | +/-0.05mm |
Thickness tolerance | +/-0.01mm | +/-0.02mm | +/-0.05mm |
Radius | Min: 1.1mm, Max: 200000mm |
Flatness | 3/-(0.1) | 3/-(0.2) | 3/-(0.5) |
Surface quality | 5-1 | 10-5 | 40-20 |
Roughness | RMS<0.5nm | RMS<1nm | RMS<2nm |
Centering | <10arcsec | <30arcsec | <1arcmin |
Chamfer | <0.05mm x 45deg | <0.15mm x 45deg | <0.3mm x 45deg |
Coating | AR coating/Dielectric coating |
All spherical lenses are tested in our metrology laboratory and then 100% visually inspected by our QA department.
Contact our technical sales team to find out how Band-Optics can help you with your enquiry.
