红外偏振片
红外偏振片,红外偏振器,中红外偏振片由中国领先的进口光学精密仪器旗舰型 服务商进口销售,孚光精仪精通光学,服务科学,为中科院上海光机所,安徽光机所,西安光机所,中国工程物理研究院等单位提供进口的红外偏振片,红外偏振器,中红外偏振片。宽波段红外偏振器适合的工作波长范围高达 1-35 微米。红外偏振器采用激光全息技术或机械刻划技术制造而成。红外偏振片没有光束偏移,具有宽泛的接受角。红外偏振器参数MaterialSpectral range (um)Transmission efficiency, % (k1) (k2)Degree of polarisation, % (k1-k2) / (k1+k2)Extinction ratio (k1/2k2)Contrast ratio (k1/k2)TypeKRS-52-35 microns(k175% k20,7%)@3um (k171% k20,3%)@15um98,2%@3um 99,2%@15um54:1@3um 118:1@15um108:1@3um 236:1@15umHolographicCaF21-10 microns(k185% k20,7%)@3um (k180% k20,24%)@8um98,4%@3um 99,4%@8um61:1@3um 165:1@8um122:1@3um 330:1@8umHolographicBaF21-13 microns(k185% k20,58%)@3um (k185% k20,23%)@10um98,6%@3um 99,5%@10um73:1@3um 185:1@10um146:1@3um 370:1@10umHolographicZnSe1-16 microns(k170% k20,6%)@3um (k172% k20,22%)@10um98,3%@3um 99,4%@10um58:1@3um 163:1@10um116:1@3um 326:1@10umHolographicCaF21-9 microns(k170% k20,7%)@3um98%@3um50:1@3um100:1@3umMechanically ruledZnSe1,5-14 microns(k170% k21,4%)@3um97%@3um25:1@3um50:1@3umMechanically ruled红外偏振器标准参数Dimensional tolerances+0/-0,5mmParallelism error5arcminSurface finish80-50 SD (for holographic type)Surface flatness3 fringes/inch @633nmLaser damage threshold of Holografic type polarizers50W/cm2 CW or 0,7J/cm2 100ns pulsedLaser damage threshold of Mechanically ruled polarizers120W/cm2 CW or 2J/cm2 100ns pulsed