Optical Fabrication and Metrology of Aspheric and Freeform Mirrors

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX13CM02C
Agency Tracking Number: 115666
Amount: $699,997.00
Phase: Phase II
Program: SBIR
Awards Year: 2013
Solicitation Year: 2011
Solicitation Topic Code: S2.05
Solicitation Number: N/A
Small Business Information
6368 Dean Parkway, Ontario, NY, 14519-8970
DUNS: 067420310
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 David Mohring
 Principal Investigator
 (585) 265-0160
Business Contact
 Timothy Ansaldi
Title: CFO
Phone: (585) 265-0160
Email: tansaldi@optipro.com
Research Institution
The requirement for cost effective manufacturing and metrology of large optical surfaces is instrumental for the success of future NASA programs such as LISA, WFIRST and IXO(now NGXO). OptiPro's UltraForm Finishing (UFF) is a sub-aperture compliant wheel and belt type polishing process for rapid material removal from the ground state to a finished optic. The UFF removes residual grinding sub-surface damage, mid spatial frequency errors, and provides the mechanism required for surface corrections. OptiPro's technologically advanced optical manufacturing capabilities along with a support partnership with the University of Rochester Mechanical Engineering Department and the Penn State EOC, gives us a very strong team and a clear path towards solving the difficult problems associated with, grinding, polishing and metrology of large complex optical surfaces. The UFF, with its 5-6 axis of motion provides a platform to polish traditional flats and spheres as well as aspheres and freeform shapes. The UFF was designed for deep concave shapes and it is suitable for finishing conformal optics. The Proposed Phase II will include further development on UFF using a 200 mm x 200 mm fused quartz mandrel to optimize the process to meet NASA's X-ray optical requirements. Grinding development will also be performed on OptiPro's eSX platforms to minimize material removal required during polishing. The part geometry will be measured by a non contact optical probe using OptiPro's UltraSurf free-form measurement system. Once development is complete, OptiPro will work on the mandrels that will be supplied by Goddard Space Flight Center to attempt to correct the form error on those surfaces. OptiPro will also build and install a 6-axis UFF machine to NASA. The UFF platform will be used for development during the Phase II effort, and installed at NASA at the end of the contract.

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

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