bids are invited for mounted pinhole 12.7 mm - ø1/2 (12.7 mm) mounted pinhole with diameter: 10 ± 1 µm, stainless steel , mounted pinhole 15 ± 1.5 µm - ø1/2 (12.7 mm) mounted pinhole with diameter: 15 ± 1.5 µm, stainless steel , mounted pinhole20 ± 2 µm - ø1/2 (12.7 mm) mounted pinhole with diameter: 20 ± 2 µm, stainless steel , mounted pinhole 25 ± 2 µm - ø1/2 (12.7 mm) mounted pinhole with diameter: 25 ± 2 µm, stainless steel , mounted pinhole 30 ± 2 µm - ø1/2 (12.7 mm) mounted pinhole with diameter: 30 ± 2 µm, stainless steel , retroreflector prism - total internal reflection based retroreflector prism,sm1-threaded mount, ar coating: 650 - 1050 nm, prism diameter: 50 mm, damage threshold 7.5 j/cm2,max beam diameter: 16.256 mm. , mounted retroreflector prisms - mounted retroreflector prisms, sm1-threaded mount gold coating: 800 – 2000 nm, prism diameter: 50 mm, max beam diameter: 16.256 mm. , linear polarizer, - ø12.5 mm sm05-mounted linear polarizer, wavelength range 650 - 2000 nm, clear aperture: ø10.9 mm, polarization extinction ratio: >100000:1 across 850-1600 nm, optics thickness: 220 ± 50 µm , single mode optical fiber - single mode optical fiber 780 - 970 nm, operating wavelength: 780 - 970 nm mode field diameter: 5.0 ± 0.5 µm @ 850 nm, cladding: 125 ± 1 µm, coating: 245 ± 15 µm, cut-off wavelength: 730 ± 30 nm , sm pigtailed ferrules - sm pigtailed ferrules with fc/pc connectors, face angle: 0°, glass ferrule ar coating range: 830 +/-15 nm, fiber na: 0.12, fiber operating wavelength: 800- 1000 nm, cutoff wavelength: 660-800 nm , single wavelength grin lenses - single wavelength grin lenses, grin lens ø1.8 mm,0.29 pitch, face angle: 0°, design wavelength: 830 nm, effective focal length: 1.95 mm , grin/ferrule sleeve - grin/ferrule sleeve 1.818 mm internal diameter 10 mm length borosilicate glass , fast curing optical adhesive 1 oz. - fast curing optical adhesive 1 oz. , red vinyl tape - red vinyl tape 1/2 wide x 108 long (12.7 mm x 32.9 m) , green vin