反射光栅-分析仪器和光谱学-标准复制全息衍射光栅
Replicated Holographic Diffraction GratingsStandard replicated diffraction gratings are produced from ruled and holographic originals and are intended for use in moderate resolution spectrophotometers, spectrometers and monochromators where low cost, high efficiency and low stray light are of primary concern. Since standard diffraction gratings are cut from larger replicas, they are ruled over their entire surface. Incident radiation should, however, be restricted to 90% of the ruled area.Standard Series Replicated Holographic Diffraction GratingsGrooves/ MMOptimumEfficiencyDispersion(nm/mr)600UV1.67 @ 250 NM 1000UV0.99 @ 250 NM1200UV0.82 @ 250 NM1200VIS0.79 @ 250 NM1800UV0.54 @ 250 NM1800VIS0.50 @ 250 NM 2400UV0.40 @ 250 NM2400VIS0.33 @ 250 NM3600UV0.25 @ 250 NMStandard Series Replicated Holographic Diffraction GratingsGrooves/ MMOptimum EfficiencyDispersion(nm/mr)12.7x12.7x 625x25x 625x25x 9.530x30x 9.550x50x 9.512.5x25x 612.5x25x 9.525x50x 9.5EffCurve600UV1.67 @ 250 NM3-40213-80213-20213-30213-50213-60213-10213-70211000UV0.99 @ 250 NM3-40613-80613-20613-30613-50613-60613-1061 3-70611200UV0.82 @ 250 NM3-41213-81213-21213-31213-51213-61213-11213-71211200VIS0.79 @ 500 NM3-41223-81223-21223-31223-51223-61223-11223-71221800UV0.54 @ 250 NM3-41813-81813-21813-31813-51813-61813-11813-71811800VIS0.50 @ 500 NM 3-41823-81823-21823-31823-51823-61823-11823-71822400UV0.40 @ 250 NM3-42413-82413-22413-32413-52413-62413-12413-72412400VIS0.33 @ 500 NM3-42423-82423-22423-32423-52423-62423-12423-72523600UV0.25 @ 250 NM3-43613-83613-23613-33613-53613-6361 3-13613-7361(All dimensions in millimeters) Coatings Protective overcoatings that maintain or enhance reflectivity in the UV, Visible and IR regions are available for an additional charge.Gold Overcoat (AU-3) Aluminum Magnesium Fluoride (ALMG-3) Efficiency Curve KeyAll gratings are measured in the Littrow mounting inAll gratings utilize an aluminum (AI) reflective coat