Publication result detail

Near field optical beam induced current measurements on heterostructures

LÉTAL, P., TOMÁNEK, P., GRMELA, L.

Original Title

Near field optical beam induced current measurements on heterostructures

English Title

Near field optical beam induced current measurements on heterostructures

Type

Paper in proceedings (conference paper)

Original Abstract

We report near field optical beam induced current (NOBIC) measurements on semiconductor quantum well (QW) structures. A sub-wavelength fiber tip is coupled with a tunable laser source and scanned over a sample surface. The induced photocurrent reveals the compositional profile of quantum structures. We demonstrated that the resolution of this technique depends strongly on the aperture size.

English abstract

We report near field optical beam induced current (NOBIC) measurements on semiconductor quantum well (QW) structures. A sub-wavelength fiber tip is coupled with a tunable laser source and scanned over a sample surface. The induced photocurrent reveals the compositional profile of quantum structures. We demonstrated that the resolution of this technique depends strongly on the aperture size.

Keywords

near field optics, locally induced photocurrent, quantum wells, lateral resolution

Key words in English

near field optics, locally induced photocurrent, quantum wells, lateral resolution

Authors

LÉTAL, P., TOMÁNEK, P., GRMELA, L.

Released

15.11.2001

Publisher

Vysoké učení technické v Brně

Location

Brno

ISBN

80-214-1992-X

Book

Nové trendy ve fyzice (New trends in Physics)

Edition

sv.2

Pages from

387

Pages count

7

BibTex

@inproceedings{BUT6610,
  author="Petr {Létal} and Pavel {Tománek} and Lubomír {Grmela}",
  title="Near field optical beam induced current measurements on heterostructures",
  booktitle="Nové trendy ve fyzice (New trends in Physics)",
  year="2001",
  series="sv.2",
  pages="7",
  publisher="Vysoké učení technické v Brně",
  address="Brno",
  isbn="80-214-1992-X"
}