- Overview
The SBR-03 is a birefringence measurement system based on a new measurement principle developed by Uniopt. The birefringence and principal axis orientation of a sample can be obtained simultaneously by rotating the sample while modulating the polarization state incident on it. It is characterized by its wide measurement dynamic range and high measurement resolution. (Patent No. 3844222) - Performance
Specifications Retardation Azimuth of axis Measurement performance Resolution 0.05 nm (at 633 nm) 0.2 deg. Range 0 - 180 deg.
(0 - 316 nm at 633 nm)± 90 deg. Repeatability** 0.02 nm (Re = 0 nm)
0.1 nm (Re = 158 nm)-
0.2 deg.Measurement time Appx. 1 sec. / point Optical system Principle of Measurement Polarization modulation rotation method Source He-Ne laser (λ=632.8 nm)
Other wavelengths are available as an option.Sample stage Folding To be discussed separately(Standard scanning range : < 50 x 50 nm )
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