JPL, Attn: Thomas May, Mail Stop 190-205, 4800 Oak Grove Dr., Pasadena, CA 91109-8099

A -- JPL PARABOLOIDAL MIRROR FOR SPACE-FLIGHT USE SOL 98/4 DUE 031998 POC Elroy Akioka (818) 354-7541; FAX (818) 393-4168 E-MAIL: Paraboloidal Mirror, elroy.m.akioka@jpl.nasa.gov. The Jet Propulsion Laboratory/California Institute of Technology (JPL/Caltech), operating under a prime contract with the National Aeronautics and Space Administration (NASA), is actively seeking a contractor who will design and fabricate a paraboloidal mirror that will demonstrate lightweight mirror technology for space flight use. The demonstration will consist of one demonstration with a subscale mirror and an optional demonstration with a full-scale mirror. The requirements for the two demonstrations are the same, differing only by the size of the mirror demonstrated. The mirror shall be 3.8m in diameter, f/0.5 and operate between 70 to 90 K with a total surface error of not more than 2.4 mm rms and shall be of the lightest technology that can meet the specifications. The first demonstration will use a mirror that is equal to or greater than 2m in diameter with a curvature close to that of the full-scale 3.8 m diameter mirror. The optional second demonstration will test the full-scale 3.8m diametermirror. The proposal due date is 19 March 1998, 3:00 p.m. (PST). (0049)

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