Reduced-Cost Grinding and Polishing of Large Sapphire Windows

Award Information
Agency:
Department of Defense
Branch
n/a
Amount:
$149,957.00
Award Year:
2012
Program:
SBIR
Phase:
Phase I
Contract:
N68936-12-C-0089
Award Id:
n/a
Agency Tracking Number:
N112-105-0930
Solicitation Year:
2011
Solicitation Topic Code:
N112-105
Solicitation Number:
2011.2
Small Business Information
6368 Dean Parkway, Ontario, NY, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
067420310
Principal Investigator:
Edward Fess
Senior Research Engineer
(585) 265-0160
efess@optipro.com
Business Contact:
Tim Ansaldi
Controller
(585) 265-0160
tansaldi@optipro.com
Research Institution:
Stub




Abstract
Developing faster more efficient processing methods for the fabrication of large sapphire windows has the potential to reduce their overall cost. The hardness of the material as well as its crystallographic orientation results in low material removal rates that lead to processing times longer than desired. These low removal rates are present in both the grinding and polishing phases of the process and are one of the primary cost drivers. By increasing the material removal rate during fabrication without distorting the optical wavefront, substantial cost savings can be achieved. OptiPro Systems has the unique opportunity to develop a deterministic large aperture polishing (DLAP) process. This process will have the ability to remove material at a rapid rate, and use metrology data as input for controlling the wavefront of the sapphire window. OptiPro"s technologically advanced optical manufacturing capabilities along with a support partnership with Ted Turnquist from Meller Optics, an expert in sapphire processing, gives us a very strong team, and a clear path towards solving the difficult problems associated with reducing the grinding and finishing costs associated with manufacturing sapphire windows.

* information listed above is at the time of submission.

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