Design of lightweight beryllium optics, factors effecting producibility, and cost of near-net-shape blanks

Thomas P. Clement II

doi:10.1117/12.46519

1 September 1991 Design of lightweight beryllium optics, factors effecting producibility, and cost of near-net-shape blanks

Thomas P. Clement II

Author Affiliations +

Proceedings Volume 1485, Reflective and Refractive Optical Materials for Earth and Space Applications; (1991) https://doi.org/10.1117/12.46519
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

Design characteristics which influence the cost and producibility of near-net-shape blanks for light-weight beryllium optics discussed. Producibility factors include cell geometry and mountings. Design rules are presented for defining the size, shape and arrangement of light-weighting cells. Particular emphasis is given to the size of web intersections. The use of internal versus external mountings is evaluated with respect to cost and producibility. Overall optic cost is reviewed with respect to the impact of blank fabrication requirements on the optic design, the design and fabrication of tooling, and the fabrication of the optic blank. Standards are proposed for specific mirror blank characteristics. These standards are presented as a starting point for discussion.

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Thomas P. Clement II "Design of lightweight beryllium optics, factors effecting producibility, and cost of near-net-shape blanks", Proc. SPIE 1485, Reflective and Refractive Optical Materials for Earth and Space Applications, (1 September 1991); https://doi.org/10.1117/12.46519

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