Analysis of in vivo chlorophyll fluorescence spectra to monitor physiological state of tomato plants growing under zinc stress J Cherif, N Derbel, M Nakkach, H Von Bergmann, F Jemal, ZB Lakhdar
Journal of Photochemistry and Photobiology B: Biology 101 (3), 332-339, 2010
104 2010 A compact streak camera for 150 fs time resolved measurement of bright pulses in ultrafast electron diffraction GH Kassier, K Haupt, N Erasmus, EG Rohwer, HM Von Bergmann, ...
Review of Scientific Instruments 81 (10), 2010
92 2010 High pressure glow discharges for nanosecond excitation of gas lasers and low inductance switching applications V Hasson, HM Von Bergmann
Journal of Physics E: Scientific Instruments 9 (1), 73, 1976
69 1976 Precision variable delay using saturable inductors D Basting, H Von Bergmann
US Patent 6,005,880, 1999
60 1999 Effective glow discharge excitation of nitrogen lasers at gas pressures ranging from 0 to 5 bar V Hasson, HM Von Bergmann, D Preussler
Applied Physics Letters 28 (1), 17-18, 1976
55 1976 Charge-carrier dynamics and trap generation in native T Scheidt, EG Rohwer, HM Von Bergmann, H Stafast
Physical Review B 69 (16), 165314, 2004
54 2004 Magnetic switch controlled power supply isolator and thyristor commutating circuit R Desor, A Targsdorf, S Merz, H Von Bergmann
US Patent 6,020,723, 2000
47 2000 Spectroscopic studies of photosynthetic responses of tomato plants to the interaction of zinc and cadmium toxicity J Cherif, N Derbel, M Nakkach, H von Bergmann, F Jemal, ZB Lakhdar
Journal of Photochemistry and Photobiology B: Biology 111, 9-16, 2012
46 2012 Power and energy scaling of a diode-end-pumped Nd: YLF laser through gain optimization C Bollig, C Jacobs, MJD Esser, EH Bernhardi, HM von Bergmann
Optics Express 18 (13), 13993-14003, 2010
45 2010 Gain, fluorescence and energy extraction characteristics of photostabilised atmospheric pressure UV nitrogen lasers HM Von Bergmann, V Hasson
Journal of Physics D: Applied Physics 11 (17), 2341, 1978
44 1978 Pulsed corona excitation of high‐power uv nitrogen lasers at pressures of 0–3 bar HM Von Bergmann, V Hasson, D Preussler
Applied Physics Letters 27 (10), 553-555, 1975
44 1975 A portable fibre-probe ultraviolet light emitting diode (LED)-induced fluorescence detection system PK Buah-Bassuah, HM von Bergmann, ET Tatchie, CM Steenkamp
Measurement Science and Technology 19 (2), 025601, 2008
39 2008 Miniaturized atmospheric pressure nitrogen laser HM Von Bergmann, AJ Penderis
Journal of Physics E: Scientific Instruments 10 (6), 602, 1977
38 1977 Ionization and shielding of interface states in native p+-Si/SiO2 probed by electric field induced second harmonic generation T Scheidt, EG Rohwer, P Neethling, HM Von Bergmann, H Stafast
Journal of Applied Physics 104 (8), 2008
36 2008 Simple and compact photopreionization‐stabilized excimer lasers V Hasson, HM Von Bergmann
Review of Scientific Instruments 50 (12), 1542-1544, 1979
34 1979 A study of using femtosecond LIBS in analyzing metallic thin film–semiconductor interface AH Galmed, AK Kassem, H Von Bergmann, MA Harith
Applied Physics B 102, 197-204, 2011
31 2011 Thyratrons with magnetic switches, the key to reliable excimer lasers D Basting, K Hohla, E Albers, HM von Bergmann
Optoelektronik 16, 128-136, 1984
31 1984 High average power 1314 nm Nd: YLF laser, passively Q-switched with V: YAG RC Botha, HJ Strauss, C Bollig, W Koen, O Collett, NV Kuleshov, ...
Optics Letters 38 (6), 980-982, 2013
29 2013 Ultraminiature high‐power gas discharge lasers V Hasson, HM Von Bergmann
Review of Scientific Instruments 50 (1), 59-63, 1979
29 1979 Triggered multichannel surface spark gaps HM Von Bergmann
Journal of Physics E: Scientific Instruments 15 (2), 243, 1982
25 1982 