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Heinz Helmers
Observed names:
H Helmers,
H. Helmers,
Helmers, Heinz
Observed institutions:
Carl von Ossietzky Universität Oldenburg,
University of Bremen,
Shanghai Institute of Optics and Fine Mechanics
OpenAlex ID:
A5078680807
Spatial phase shifting in electronic speckle pattern interferometry: minimization of phase reconstruction errors
1997
·
Thorsten Bothe
, Jan Burke
, et al.
·
Applied Optics
·
60
Spatial phase shifting for pure in-plane displacement and displacement-derivative measurements in electronic speckle pattern interferometry (ESPI)
1997
·
R. S. Sirohi
, J. Burke
, et al.
·
Applied Optics
·
54
CMOS vs. CCD sensors in speckle interferometry
2003
·
Heinz Helmers
, Markus Schellenberg
·
Optics & Laser Technology
·
47
Speckle intensity and phase gradients: influence on fringe quality in spatial phase shifting ESPI-systems
1998
·
J Burke
, H Helmers
, et al.
·
Optics Communications
·
40
Spatial versus temporal phase shifting in electronic speckle-pattern interferometry: noise comparison in phase maps
2000
·
Jan Burke
, Heinz Helmers
·
Applied Optics
·
38
Deformation mapping and surface inspection of historical monuments
1996
·
G. Gülker
, H. Helmers
, et al.
·
Optics and Lasers in Engineering
·
29
Checkup for aging artwork—Optical tools to monitor mechanical behaviour
2006
·
K.D. Hinsch
, G. Gülker
, et al.
·
Optics and Lasers in Engineering
·
28
Migration of Cesium‐137 in typical soils of North Germany ten years after the Chernobyl accident
1997
·
Luise Giani
, Heinz Helmers
·
Zeitschrift für Pflanzenernährung und Bodenkunde
·
20
Complex division as a common basis for calculating phase differences in electronic speckle pattern interferometry in one step
1998
·
J. Burke
, H. Helmers
·
Applied Optics
·
18
Speckle metrology with novelty filtering using photorefractive two-beam coupling in BaTiO3 crystal
1993
·
Liren Liu
, Heinz Helmers
, et al.
·
Optics Communications
·
18
Holographic study of laser-induced liquid surface deformations
1984
·
H. Helmers
, W. Witte
·
Optics Communications
·
18
Verhalten einiger radioaktiver Nuklide (freigesetzt durch den Reaktorunfall in Tschernobyl) in typischen Böden Norddeutschlands
1987
·
Luise Giani
, Harald Gebhardt
, et al.
·
Zeitschrift für Pflanzenernährung und Bodenkunde
·
17
Advances in γ-γ-coincidence scintigraphy with the scintillation camera
1982
·
H von Boetticher
, H Helmers
, et al.
·
Physics in Medicine and Biology
·
13
PDF
Performance of spatial vs. temporal phase shifting in ESPI
1999
·
Jan Burke
, Heinz Helmers
·
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
·
11
Noise reduction in electronic speckle pattern interferometry fringes by merging orthogonally polarised speckle fields
1998
·
A Brozeit
, J Burke
, et al.
·
Optics & Laser Technology
·
8
Contributions to depth discrimination γ-γ-coincidence methods in scintigraphy
1979
·
H von Boetticher
, H Helmers
, et al.
·
Physics in Medicine and Biology
·
8
Scanner performance to overcome efficiency problems in three-dimensional scintigraphy by γ-γ-coincidences
1979
·
H Helmers
, H Von Boetticher
, et al.
·
Physics in Medicine and Biology
·
7
PDF
CMOS-ESPI system with in-line digital phase stabilization using unresolved speckles
2002
·
Heinz Helmers
, Daniel D. Carl
, et al.
·
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
·
5
Active phase stabilisation in electronic speckle pattern interferometry without additional optical components
2000
·
A Brozeit
, J Burke
, et al.
·
Optics Communications
·
5
Matched data storage in ESPI by combination of spatial phase shifting with temporal phase unwrapping
2000
·
Jan Burke
, Heinz Helmers
·
Optics & Laser Technology
·
4
Depth-discrimination in direct 3D-scanning without image reconstruction using a coincidence technique
1982
·
Heinz Helmers
, Heiner von Boetticher
, et al.
·
European Journal of Nuclear Medicine and Molecular Imaging
·
3
Particle image velocimetry (PIV): use of photo-thermoplastic film for photographic recording of particle images
1995
·
K. Banke
, K. Wutzke
, et al.
·
Experiments in Fluids
·
2
How knowledge about speckle intensity and phase gradients can improve electronic speckle pattern interferometry
1999
·
Heinz Helmers
, Jan Burke
·
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
·
1
Design and construction of multi-slit focused collimators for an opposite detector arrangement
1982
·
H von Boetticher
, P Schreiber
, et al.
·
Physics in Medicine and Biology
·
1
Characterizing the Image Quality and Sensitivity of Machine Vision Cameras and Sensors
2004
·
Wolfgang Pomrehn
, Jacques Leconte
, et al.
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Works count:
28
Citation count:
455
H-index:
13
I10-index:
14
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