11 Jul 2011 LASERTEC use our super polished substrates and IBS coating to supply a series of high extinction ratio, thin film polarizers. These plate polarizers are intended for use at the Brewster angle of incidence. The natural polarization that takes place at this angle is enhanced by the deposition of a coating that angularly separates the S and P transmittance. We provide high extinction ratios from 200:1~1000:1.
Lasertec’s Specification of Thin Film Polarizer
Size
Material BK7 or Fused Silica
Surface Flatness λ/10
Surface Quality 10/5
Wedge <30”
Extinction Ratio (Tp/Ts) 200:1~10000:1
Angle of Incidence 56.5°±3°
Damage Threshold 10J/cm2,10nm pulse@1064
Typical Wavelength 1064mm,1053nm
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