bids are invited for lab optics 20 mm polarizing beamsplitter cube, 700 - 1300 nm , unmounted wollaston prism, 350 - 2300 nm uncoated calcite , mounted wollaston prism, 900 nm - 3.4 micrometer, yvo4 , mounted wollaston prism, 350 nm - 2.3 micrometer, uncoated calcite , ruled reflective diffraction grating, 1 micrometer blaze, 25 x 25 x 6 mm , ruled reflective diffraction grating, 750 nm blaze, 25 x 25 x 6 mm , vis ir detector card, 400 - 640 nm, 800 - 1700 nm , mounted continuously variable nd filter, od 0.04 - 4.0, uncoated , lcp achromatic depolarizer, ar coating 350 - 700 nm , lcp achromatic depolarizer, ar coating 650 - 1050 nm , lcp achromatic depolarizer, ar coating 1050 - 1700 nm , lens tissues, 25 sheets per booklet, 50 booklets in a closeable box , 20 mm polarizing beamsplitter cube, 420 - 680 nm , 20 mm polarizing beamsplitter cube, 620 - 1000 nm , ir fused silica plate bs, coating 0.9 - 2.6 micrometer , 25 mm x 36 mm ir fused silica plate bs, coating 0.9 - 2.6 micrometer , infrasil window, uncoated , mounted achromatic quarter-wave plate, sm1-threaded mount, 350 - 850 nm , mounted achromatic half-wave plate, sm1-threaded mount, 350 - 850 nm , single mode patch cable, 780 - 970 nm, 1 m long total quantity : 52