期刊
出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.precisioneng.2011.09.006
关键词
Imaging spectrometry; Gratings; Ultra-precision machining
类别
资金
- Raytheon Space and Airborne Systems
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [0927621] Funding Source: National Science Foundation
High quality imaging spectroscopy data is useful for both military and civilian applications. State-of-the art spectrometers incorporate spherically concentric, axially symmetric and telecentric optical design. However, these designs require a diffraction grating operating in reflection that is manufactured on a convex, spherical or possibly freeform surfaces, and thus traditional grating manufacturing methods limit modern designs and raise costs. Further, it is often desirable to manufacture such optics in a monolithic configuration aligning them and eliminating assembly. This paper explores the capability of new 5-axis ultra-precision machine tools for manufacturing diffraction gratings in simplified experiments aimed at progressing toward producing gratings on freeform surfaces and monolithic combined optical designs. (C) 2011 Elsevier Inc. All rights reserved.
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