Description :
Tenders for Supply And Installation Of Miscellaneous Opto Mechanical Component - 1). "knife-edge Right-angle Prism Mirrors Made Of N-bk7 With 25 Mm X 25 Mm Reflecting Surface Coated With Protected Silver And Having Wavelength Range 450nm-20m. The Following Are The Exact Specs That Is Required. Ravg > 97% (450 - 2000 Nm) Ravg > 95% (2 - 20 M)" 2). Mounted Precision Pinhole Having Pinhole Diameter Of 50 M With Precision Of 3 M, Fabricated From Stainless Steel Foils That Are Blackened On Both Sides. The Foils Should Be Mounted In 1", 0.10" (2.5 Mm) Thick, Black-anodized Aluminum Housings. 3). 1" Mounted Achromatic Half Wave Plate Made Of Crystalline Quartz & Uv Sapphire Having Clear Aperture Size Of 22.6 Mm (0.89"), Mounted Diameter Of 30.5 Mm, Unmounted Diameter Of 25.4 0.2 Mm, Unmounted Thickness Of 6.1 Mm. The Ar Coating Range Should Be 350 - 850 Nm With Average Reflectance Of < 1.0 % Per Surface. The Damage Threshold Should Be ~ 7.5 J/cm2 (532 Nm, 10 Ns, 10 Hz, 0.200 Mm). The Transmitted Wavefront Error (rms) Should Be 97% For 450 Nm - 2 M, >95% For 2 - 20 M, Surface Flatness (peak To Valley) /10 @ 633 Nm, Surface Quality 40-20 Scratch-dig, Parallelism <3 Arcmin, Clear Aperture >90% Of Diameter. The Damage Threshold Of The Mirror Should Be 0.225 J/cm2 (800 Nm, 99 Fs, 1 Khz, 0.167 Mm) And 1 J/cm2 (1064 Nm, 10 Ns, 10 Hz, 1.010 Mm) For Pulsed Laser And 500 W/cm (1.07 M, 0.974 Mm) And 1500 W/cm (10.6 M, 0.339 Mm) For Cw Laser."
