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SQS Vlaknova optika a.s. has developed a new technology for application of an optical antireflection coating to the surface of fiber optic components (e.g. connector ferrules, lenses, fiber optic arrays etc.) to reduce unwanted back reflections of transferred optical signal.
Thanks to the newly developed technology SQS may design and manufacture special fiber optic connector interfaces operating over defined wavelength range capable of transferring high-power signals with low reflectivity.
Moreover, by applying the antireflection coating to polarization maintaining (PM) optical fiber assemblies, SQS may guarantee not only current excellent value of polarization extinction ratio (PER) but also an excellent value of back reflection which makes them predisposed to the most demanding applications, e.g. in sensor technology.
Use Antireflection Coating
High power connectors, other optical connectors, V-Grooves, fiber arrays, 2D fiber arrays
Optical Fiber
SM, MM - Step Index, Gradient Index Profile - PM (Panda, Bow-tie, Elliptical-cladding) - Lensed Fibers
Vawelength
PM/SM/MM optical fibers @ 355 nm to 1800 nm
Antireflection Coating Parameters
| Type of coating: |
| Single AR (or "V coatings"), broadband AR and metal coatings (mainly titanium). |
| Reflections: |
| AR <0.5% - < 0.1% (accorging to wavelength), for narrowband applications AR<0.05% ("Super -V coatings") |
| Central wavelength: |
| 532 nm, 840 nm, 1064 nm, 1310 nm, 1480 nm, 1550 nm, 1620 nm (other wavelengths available) |
| Connectors: |
| Complete range of fiber optic connectors |
| Typical examples of AR Coating: |
| @ 532 ± 20 nm AR < 0,3%, @ 790 ÷ 890 nm AR < 1% @ 1440 ÷ 1700 nm AR < 0,5%, @ 1550 ± 20 nm AR < 0,1% @ 1250 ÷ 1700 nm AR < 0,6%, @ 1310 ± 20 nm AR < 0,1% |
Reflectivity Chart |
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