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Microstructured diamond X-ray source and refractive lens
KTH, Superseded Departments, Physics.
2003 (English)In: Diamond and related materials, ISSN 0925-9635, Vol. 12, no 11-okt, 1793-1799 p.Article in journal (Refereed) Published
Abstract [en]

This paper treats microstructured CVD diamond in two X-ray applications, a miniature X-ray source and a refractive X-ray lens. The X-ray source consists of boron doped diamond membrane electrodes and an intermediate insulator. The cathode has a pyramidal shape, which is field-emitting and the anode is a metal film on a diamond membrane. Anode radiation emerges through both membrane electrodes. The source has not been vacuum sealed, therefore, all measurements so far have been made in a vacuum chamber. The refractive X-ray lens has saw-tooth geometry and a tunable focal length. It was made by microwave plasma assisted CVD of diamond onto anisotropically etched silicon masters. The lens has been used for one-dimensional focusing of a synchrotron beam to 1.9 mum line width.

Place, publisher, year, edition, pages
2003. Vol. 12, no 11-okt, 1793-1799 p.
Keyword [en]
micromachining, X-ray, field emission, CVD, cvd-diamond, radiation, devices
URN: urn:nbn:se:kth:diva-23037ISI: 000187427300031OAI: diva2:341735
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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