Concepedia

T. Wittchen

TW

Statistics

Publications

8

Citations

529

H-Index

8

Active since

1990

Affiliations

Physikalisch-Technische Bundesanstalt(Current)

CEA Paris-Saclay - Etablissement de Fontenay-aux-roses

Indian Association for the Cultivation of Science

National Laboratory of the Rockies

All-Russian Research Institute for Optical and Physical Measurements

T. Wittchen is an author at Physikalisch-Technische Bundesanstalt specializing in calibration, engineering, and photovoltaic devices.

Publications per year

1990–2003

8

Publications

8

Quantum efficiencies exceeding unity due to impact ionization in silicon solar cells

Sabine Kolodinski, J.H. Werner, T. Wittchen et al. · Applied Physics Letters · 1993 · 315 citations

Engineering, Materials Science, Physics +17

The world photovoltaic scale: an international reference cell calibration program

C.R. Osterwald, S. I. Anevsky, Klaus Bücher et al. · Progress in Photovoltaics Research and Applications · 1999 · 72 citations

Engineering, Electrical Engineering, Metrology +15

Results of the PEP'93 intercomparison of reference cell calibrations and newer technology performance measurements

C.R. Osterwald, S. I. Anevsky, A. K. Barua et al. · 1996 · 34 citations · Full text

Engineering, Electrical Engineering, Metrology +12

Objectives and results of the PEP'87 round-robin calibration of reference solar cells and modules

J. Metzdorf, T. Wittchen, K. Heidler et al. · 2002 · 32 citations

Engineering, Optometry, Instrumentation +14

Radiometry in photovoltaics: calibration of reference solar cells and evaluation of reference values

J. Metzdorf, S. Winter, T. Wittchen · Metrologia · 2000 · 31 citations

Engineering, Earth Sciences, Metrology +16

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