Replicated Hybrid/Composite Mirror Technologies

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$733,250.00
Award Year:
2006
Program:
SBIR
Phase:
Phase II
Contract:
FA8650-06-C-5246
Award Id:
73001
Agency Tracking Number:
F051-140-0018
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
4401 Dayton-Xenia Road, Dayton, OH, 45432
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
074689217
Principal Investigator:
Tai-IlMah
Research Scientist
(937) 255-9829
Taiil.Mah@wpafb.af.mil
Business Contact:
FrancisWilliams, Jr.
Contracts Manager
(937) 426-6900
fwilliams@ues.com
Research Institute:
n/a
Abstract
There is a need for extra light-weight mirrors for space environments. In response to this need, UES, Inc. conducted research on light-weight diffraction limited optics that is also amenable to rapid mirror fabrication. The basis of the proposed mirror system was a SiC/Si3N4 nano-laminate of low thermal expansion coefficient, high stiffness, and good strength. The nano-laminate was bonded to a base low-expansion substrate using a negative CTE nano-powder reinforced geopolymer. The underlying concept of using SiC and Si3N4 is to construct the mirror, attachment bonding material, and substructure in such a way that they all possess very close thermal expansion coefficients. The ultimate objectives of this proposed Phase II program are: 1) to develop technology toward scaling-up the process to produce at least a 0.5-meter rigid mirror, based on SiC/Si3N4 nano-laminates and shaped to a parabolic form, without increasing the visible optics figure and finish errors, and 2) to develop cost and schedule estimates for a less than 2 month production time. Another integral part of the Phase II research is to incorporate an in-situ sensing device in the deposition chamber for real-time process control.

* information listed above is at the time of submission.

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