Band-Optics is able to manufacture both large dimensional optical windows (Max. diameter 1200mm) and micro dimensional optical windows (Min. diameter 1.0mm), with the thinnest thickness to be reached with 0.17mm.
Customized optics are produced according to customers’ drawings and requirements of precision, shapes can be circular, rectangular, eliptical, as well as irregular which is made by CNC and laser cutting machines. Various dimensional substrates are made from N-BK7, UVFS, IRFS, CaF2, ZnSe, Sapphire, MgF2 materials etc. Windows can be uncoated or with AR coating on single or both surfaces according to customized wavelength, also can be coated with mirror, beamsplitter or filter coatings.
The applications of our windows can be applied for many industries, such as:
• Medical industry: Endoscope, beauty equipment, radiation protection goggles, CT equipment • Laser industry: Laser cutting, laser welding, laser protection • Semiconductor industry: Grating substrate, wafer substrate • Space industry: Star chasing mirror, Newton mirror • Military industry: ITO goggles
Belows are the precision requirements that we can provide for windows:
Specifications/ Standard
Precision Grade
Factory Standard
Commercial Grade
Dimensional tolerance
+/-0.01mm
+/-0.03mm
+/-0.05mm
Thickness tolerance
+/-0.005mm
+/-0.02mm
+/-0.05mm
Radius
Infinity
Flatness
PV<1/50L
PV<1/10L
PV<1/4L
Surface quality
5-1
10-5
40-20
Roughness
RMS<0.3nm
RMS<0.8nm
RMS<1nm
Parallelism
<2arcsec
<10arcmin
<30arcmin
Chamfer
<0.05mm x 45deg
<0.15mm x 45deg
<0.3mm x 45deg
Coating
AR coating/Dielectric coating/Mirror coating
All windows 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.
We have a highly skilled team that continues to design innovative new products as well as creating cost-effective solutions to meet specifications, timelines and budgets.
Protective Windows for High Energy Lasers 
