Development of a Laser Micromachining Process for the Fabrication of SiC Mirrors
Agency / Branch:
DOD / MDA
The primary goal of this Phase 2 proposal is the construction of a multi-axis laser micromachining workstation for the fabrication of SiC mirrors and optical bench components to reduce both cost and long lead-times associated with current beryllium optics. Phase 1 results clearly indicated that laser micromachining can significantly reduce cost and increase the precision when compared to conventional contour grinding. One of the longest lead-time manufacturing processes is the mirror precision machining and subsequent polishing to achieve final figure and surface quality. This proposal details the tasks required for constructing a 9-axis automated micromachining workstation and verifying its ability to machine on-axis and off-axis complex mirrors to a figure and surface finish suitable for transitioning to a final polish operation. The combination of 6-axis motion system and 3-axis scanning system with an advanced laser system compose an unprecedented laser-based micromachining capability that does not exist today. This effort outlined in this proposal will develop a capability that extends the current state-of-the-art in laser micromachining. In addition to a 9-axis machining capability, the workstation will be automated to function in a 24/7 mode of operation and will include an integrated laser sensing technique for in situ metrology. Integrated metrology and process automation further reduce fabrication costs and maximizes overall process precision.
Small Business Information at Submission:
Kenneth E. Hix
MOUND LASER & PHOTONICS CENTER, INC.
P.O. Box 223 Miamisburg, OH 45343
Number of Employees: