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Study of an ultrafast analog-to-digital conversion scheme based on diffractive optics
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
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2000 (English)In: Applied Optics, ISSN 0003-6935, E-ISSN 1539-4522, Vol. 39, no 17, 2881-2887 p.Article in journal (Refereed) Published
Abstract [en]

A potentially ultrafast optical analog-to-digital (A/D) converter scheme is proposed and was partly studied experimentally. In the A/D converter scheme the input signal controls the wavelength of a diode laser, whose output beam is incident on a grating. The beam from the grating hits a diffractive optical element in an array. The wavelength determines which element is illuminated. Each element fans out a unique spot-pattern bit code to be read out in parallel by individual detectors. In the experiment all patterns but one from 64 array elements were read out correctly.

Place, publisher, year, edition, pages
2000. Vol. 39, no 17, 2881-2887 p.
Keyword [en]
electron-beam lithography
URN: urn:nbn:se:kth:diva-19827ISI: 000087606900002OAI: diva2:338519
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Thylén, LarsWestergren, Urban
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