Abstract
Magnetorheological finishing (MRF) is a subaperture lap, deterministic process developed at the Center for Optics Manufacturing. MRF can remove subsurface damage from an optical component while correcting figure errors and smoothing small scale microroughness. The "standard" magnetorheological fluid for finishing of optical glasses consists of magnetic carbonyl iron and nonmagnetic cerium oxide particles in water. This composition works well for a variety of soft and hard glass types, but it does not perform adequately for certain single crystal materials and polycrystalline compounds used in IR applications. In this paper, we describe modifications to MRF and finishing experiments for LiF, ZnSe, CaF 2, AMTIR-1, ZnS, MgF 2, sapphire, and CVD diamond.
Original language | English |
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Pages (from-to) | 258-269 |
Number of pages | 12 |
Journal | Proceedings of SPIE - The International Society for Optical Engineering |
Volume | 3134 |
DOIs | |
State | Published - 1997 |
Event | Optical Manufacturing and Testing II - San Diego, CA, United States Duration: Jul 27 1997 → Jul 27 1997 |
Keywords
- AMTIR-1
- CVD diamond
- CaF
- IR materials
- LiF
- Magnetorheological finishing
- MgF
- Sapphire
- Subaperture lap
- ZnS
- ZnSe
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering