NASA/GSFC has a requirement for a Custom Fabricated Fabry-Perot Etalon Assemblythat consists of:Qty 1 - Magnesium Floride (MgF2) etalon plates, matched pairs, lambda/200 root meansquare (RMS) target accuracy at 633 nanometers (nm)"individual plates flat to lambda/10peak-to-valley (PV) or better at 633 nanometers. Plates matched to lambda/20 PV or betterat 633 nanometers, lambda/200 root mean square (RMS) at 633 nanometer, all over 25millimeter clear aperture. Surface roughness better than 1 nanometer measured over 100micro-meter x 100 micro-meter areas."Qty 1 - Magnesium Floride (MgF2) etalon assembly, includes piezosQty 1 - Add capacitors to Magnesium Floride (MgF2) etalon assemblyQty 6 - Thermospheric Temperature Imager (TTI) capacitor postQty 1 - Add capacitors to Magnesium Floride (MgF2) etalon assemblyNASA/GSFC intends to purchase the items from LightMachinery since these items were customdesigned and fabricated for the Thermospheric Temperature Imager (TTI).The Government intends to acquire a commercial item using FAR Part 12.Interested organizations may submit their capabilities and qualifications to perform theeffort in writing to the identified point of contact not later than 4:00 p.m. local timeon May 8, 2012. Such capabilities/qualifications will be evaluated solely for thepurpose of determining whether or not to conduct this procurement on a competitive basis. A determination by the Government not to compete this proposed effort on a full and opencompetition basis, based upon responses to this notice, is solely within the discretionof the government.Oral communications are not acceptable in response to this notice.All responsible sources may submit an offer which shall be considered by the agency.NASA Clause 1852.215-84, Ombudsman, is applicable. The Center Ombudsman for thisacquisition can be found at http://prod.nais.nasa.gov/pub/pub_library/Omb.html .

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