نتایج جستجو برای: fraunhofer diffraction

تعداد نتایج: 65733  

2010
W. W. Koelmans L. Abelmann M. C. Elwenspoek

We report on progress in the fabrication of cantilever arrays with tips. The process features only one lithographic step for the definition of both the tips and cantilevers. The tips have a uniform height distribution and are placed by selfalignment on the cantilever. The arrays are fabricated for an optical readout technique under development in which the cantilever arrays serve as diffraction...

Journal: :SIAM J. Imaging Sciences 2008
Liliana Borcea George Papanicolaou Fernando Guevara Vasquez

We use the singular value decomposition of the array response matrix, frequency by frequency, to image selectively the edges of extended reflectors in a homogeneous medium. We show with numerical simulations in an ultrasound regime, and analytically in the Fraunhofer diffraction regime, that information about the edges is contained in the singular vectors for singular values that are intermedia...

Journal: :Journal of the Japan Society for Precision Engineering 1993

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 1984

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده علوم پایه 1387

چکیده ندارد.

Journal: :Journal of synchrotron radiation 2002
D Le Bolloc'h F Livet F Bley T Schulli M Veron T H Metzger

It is shown that for micrometre-sized beams the X-ray diffraction from slits is a source of strong parasitic background, even for slits of high quality. In order to illustrate this effect, the coherent diffraction from rectangular slits has been studied in detail. A large number of interference fringes with strong visibility have been observed using a single set of slits made of polished cylind...

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