bids are invited for optical accessories mse vacuum-compatible rotation stage with piezo inertia drive, metric , 20 mm linear stage with piezoelectric inertia drive, vacuum compatible , four-channel k-cube piezo inertia motor controller for item 1a and 1b , 15 v, 2.66 a power supply unit with 3.5 mm jack connector for one k- or t- cube , studded pedestal base adapter, m6 thread , post holder with hex-locking thumbscrew, vacuum compatible , mounting base, 25 mm x 58 mm x 10 mm, vacuum compatible , mounting base, 25 mm x 75 mm x 10 mm, vacuum compatible , dispersion-compensating mirror, 650 nm - 1050 nm , silver-coated concave mirror, f 750.0 mmd , 12.7 mm post holder with hex-locking thumbscrew, l 20 mm, vacuum compatible , 12.7 mm post holder with hex- locking thumbscrew, l 40 mm, vacuum compatible , 12.7 mm post holder with hex-locking thumbscrew, l 50 mm, vacuum compatible , 12.7 mm vacuum-compatible optical post, m4 setscrew, m6 tap, l 20 mm , 12.7 mm vacuum- compatible optical post, m4 setscrew, m6 tap, l 30 mm , 12.7 mm vacuum-compatible optical post, m4 setscrew, m6 tap, l 40 mm , 12.7 mm vacuum-compatible optical post, m4 setscrew, m6 tap, l 50 mm , 12.7 mm vacuum- compatible optical post, m4 setscrew, m6 tap, l 75 mm , standard photodiode power sensor, uv-extended si, 200 - 1100 nm, 50 mw , standard photodiode power sensor, ge, 700 - 1800 nm, 40 mw , mounted slit, slit width 100 m , mounted slit, 10 mm long, slit width 150 m , 1inch mounted slit, 10 mm long, slit width 200 m , sapphire broadband precision window, uncoated , caf2 broadband precision window, uncoated , half inch mirror mount, 2 adjusters with lock nuts, cables included , 1 inch mirror mount, 2 adjusters with lock nuts, cables included , vacuum-compatible lens mount with retaining ring for half inch optics, m4 tap , vacuum-compatible lens mount with retaining ring for 1 inch optics, m4 tap , vacuum- 1 73retaining ring for 1 inch optics, m4 tap , vacuum- coated concave mirror, 750 - 1100 nm, f 2