Quasicrystalline structures and uses thereof

Details Quasicrystalline structures and uses thereof Quasicrystalline structures and uses thereof

2006-07-07

2011-11-22

Petkovsek, Daniel (Department: 2874)

Optical: systems and elements

Optical demodulator

C385S122000, C252S501100

Reexamination Certificate

active

08064127

ABSTRACT:
This invention relates generally to the field of quasicrystalline structures. In preferred embodiments, the stopgap structure is more spherically symmetric than periodic structures facilitating the formation of stopgaps in nearly all directions because of higher rotational symmetries. More particularly, the invention relates to the use of quasicrystalline structures for optical, mechanical, electrical and magnetic purposes. In some embodiments, the invention relates to manipulating, controlling, modulating and directing waves including electromagnetic, sound, spin, and surface waves, for a pre-selected range of wavelengths propagating in multiple directions.

REFERENCES:
patent: 5471180 (1995-11-01), Brommer et al.
patent: 6640034 (2003-10-01), Charlton et al.
patent: 6888994 (2005-05-01), Baumberg et al.
patent: 7981774 (2011-07-01), Grier et al.
patent: 2006/0024011 (2006-02-01), Enokido
patent: 2007/0119522 (2007-05-01), Grier et al.

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