Precision Optics Manufacturing of Large Hemispherical Domes

Award Information
Agency: Department of Defense
Branch: Army
Contract: W31P4Q-08-C-0073
Agency Tracking Number: A072-014-2498
Amount: $119,432.00
Phase: Phase I
Program: SBIR
Awards Year: 2007
Solicitation Year: 2007
Solicitation Topic Code: A07-014
Solicitation Number: 2007.2
Small Business Information
133 Defense Highway, Suite 212, Annapolis, MD, 21401
DUNS: 153908801
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Keith Rozenburg
 Senior Scientist
 (410) 987-1656
 krozenburg@techassess.com
Business Contact
 Sharon Fehrenbacher
Title: CEO
Phone: (410) 224-3710
Email: sharon@techassess.com
Research Institution
N/A
Abstract
In previous work supported by the DoD SBIR program TA&T demonstrated an effective manufacturing route for spinel dome blanks. As discussed in the previous section, however, creating an effective process for the surface conditioning of the dome is essential to manufacturing them on a large scale. This Phase I will focus on an analysis of the manufacturing steps for a multi-layer dome to identify those steps which have the greatest contribution on the transmitted wavefront error of the finished dome. The feasibility study will propose techniques or processes which minimize the introduction of errors into the wavefront and evaluate deterministic polishing as a means correct the dome transmitted wavefront to meet the specification. To produce the feasibility study an investigation into current practice will highlight where wavefront error is being introduced and in the second portion of the study deterministic polishing, focusing on magnetorehological methods, will be investigated as a method for removing wavefront error.

* Information listed above is at the time of submission. *

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