Controlled diffraction using smart materials

Martin Ross-Messemer; Frank Stefan Hoeller; Timo Moeller; Alexander Menck; Manfred Weihnacht

doi:10.1117/12.388173

12 June 2000 Controlled diffraction using smart materials

Martin Ross-Messemer, Frank Stefan Hoeller, Timo Moeller, Alexander Menck, Manfred Weihnacht

Proceedings Volume 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies; (2000) https://doi.org/10.1117/12.388173
Event: SPIE's 7th Annual International Symposium on Smart Structures and Materials, 2000, Newport Beach, CA, United States

Abstract

By introducing sinusoidal deformations on piezoelectric crystals using surface acoustic waves with spatial frequencies > 30 mm^-1 and amplitudes > 1 nm new optical diffractive elements can be generated. For high diffraction efficiencies it is necessary to produce amplitudes of the SAW as high as possible or to use light wavelength as short as possible. Conventional diffraction gratings are fixed in amplitude and spatial frequency whereas both can be varied for this new type of gratings. The gratings can operate in several environments such as N₂, He gas or vacuum and be remote controlled. Therefore they are a very flexible tool. First results on these gratings with frequencies up to 200 MHz and amplitudes in the order of 5 nm are shown.

Citation Download Citation

Martin Ross-Messemer, Frank Stefan Hoeller, Timo Moeller, Alexander Menck, and Manfred Weihnacht "Controlled diffraction using smart materials", Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, (12 June 2000); https://doi.org/10.1117/12.388173

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