David Engström

Visar 31 publikationer

2013

Probing the elasticity of single yeast cells with holographic optical tweezers.

Martin Persson, Caroline B. Adiels, David Engström et al
Optics in the Life Sciences Congress Technical Digest
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2013

Calibration of spatial light modulators suffering from spatially varying phase response

David Engström, Martin Persson, Jörgen Bengtsson et al
Optics Express. Vol. 21 (13), p. 16086-16103
Artikel i vetenskaplig tidskrift
2012

Fast Orthoconic Antiferroelectric Liquid Crystals for Field-Sequential Color Applications

Mattias Wessling, David Elfström, David Engström et al
SID Symposium Digest of Technical Papers. Vol. 43 (1), p. 456-458
Paper i proceeding
2012

Unconventional structure-assisted optical manipulation of high-index nanowires in liquid crystals

David Engström, Michael C. M. Varney, Martin Persson et al
Optics Express. Vol. 20 (7), p. 7741-7748
Artikel i vetenskaplig tidskrift
2012

Reducing the effect of pixel crosstalk in phase only spatial light modulators

Martin Persson, David Engström, Mattias Goksör
Optics Express. Vol. 20 (20), p. 22334-22343
Artikel i vetenskaplig tidskrift
2011

Three-dimensional imaging of liquid crystal structures and defects by means of holographic manipulation of colloidal nanowires with faceted sidewalls

David Engström, Rahul P. Trivedi, Martin Persson et al
Soft Matter. Vol. 7, p. 6304-6312
Artikel i vetenskaplig tidskrift
2011

Real-time generation of fully optimized holograms for optical trapping applications

Martin Persson, David Engström, Mattias Goksör
Proc. SPIE. Vol. 8097, p. 80971H-
Paper i proceeding
2010

Minimizing intensity fluctuations in dynamic holographic optical tweezers by restricted phase change

Martin Persson, David Engström, Anders Frank et al
Optics Express. Vol. 18 (11), p. 11250-11263
Artikel i vetenskaplig tidskrift
2010

Optical manipulation of colloids and defect structures in anisotropic liquid crystal fluids

Rahul P. Trivedi, David Engström, Ivan I. Smalyukh
Journal of Optics. Vol. 13 (4), p. 044001-
Artikel i vetenskaplig tidskrift
2009

Rapid SLM Design for Grid-Free Multispot Positioning in 2D and 3D with a Modified Gerchberg-Saxton Algorithm

David Engström, Anders Frank, Jan Backsten et al
Digital Holography and Three-Dimensional Imaging, OSA Technical Digest (CD), p. DWB13-
Paper i proceeding
2009

Computer Generated Holograms Designed to Reduce Intensity Fluctuations During SLM Update

Martin Persson, David Engström, Anders Frank et al
Digital Holography and Three-Dimensional Imaging, OSA Technical Digest (CD), p. DWC3-
Paper i proceeding
2009

Automated focusing of nuclei for time lapse experiments on single cells using holographic optical tweezers

Emma Eriksson, David Engström, Jan Scrimgeour et al
Optics Express. Vol. 17 (7), p. 5585-5594
Artikel i vetenskaplig tidskrift
2009

Grid-free 3D multiple spot generation with an efficient single-plane FFT-based algorithm

David Engström, Anders Frank, Jan Backsten et al
Optics Express. Vol. 17 (12), p. 9989-10000
Artikel i vetenskaplig tidskrift
2008

Steering accuracy of a spatial light modulator-based single beam steerer: guidelines and limitations

David Engström, Jörgen Bengtsson, Emma Eriksson et al
Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7038, p. 703829 (8 pp.)-
Paper i proceeding
2008

Improved beam steering accuracy of a single beam with a 1D phase-only spatial light modulator

David Engström, Jörgen Bengtsson, Emma Eriksson et al
Optics Express. Vol. 16 (22), p. 18275-18287
Artikel i vetenskaplig tidskrift
2008

A new application of ferroelectric liquid crystals: Fast electrooptic hemlet visors for pulsed welding

B. Caillaud, L. Dupont, P. Gautier et al
Ferroelectrics. Vol. 364, p. 66-71
Paper i proceeding
2007

Diffractive optical elements designed for highly precise far-field generation in the presence of artifacts typical for pixelated spatial light modulators

Gabriel Milewski, David Engström, Jörgen Bengtsson
Applied Optics. Vol. 46 (1), p. 95-105
Artikel i vetenskaplig tidskrift
2006

Analog low-loss full-range phase modulation by utilizing a V-shaped switched ferroelectric liquid-crystal cell in reflective mode

David Engström, Per Rudquist, Jörgen Bengtsson et al
Optics Letters. Vol. 31 (19), p. 2906-2908
Artikel i vetenskaplig tidskrift
2006

Near-lossless continuous phase modulation using the analog switching mode (V-shaped switching) in ferroelectric liquid crystals

David Engström, Per Rudquist, Jörgen Bengtsson et al
Applied Optics. Vol. 45 (21), p. 5258-5269
Artikel i vetenskaplig tidskrift
2006

Three-level phase modulator based on orthoconic antiferroelectric liquid crystals

David Engström, Per Rudquist, Jörgen Bengtsson et al
Optics Letters. Vol. 31 (21), p. 3158-3160
Artikel i vetenskaplig tidskrift
2006

Diffraction-based determination of the phase modulation for general spatial light modulators

David Engström, Gabriel Milewski, Jörgen Bengtsson et al
Applied Optics. Vol. 45 (28), p. 7195-7204
Artikel i vetenskaplig tidskrift
2005

A study of near-lossless analog phase modulation in V-shaped switching FLC cells

David Engström, Per Rudquist, Jörgen Bengtsson et al
Proc. SPIE. Vol. 5936, p. 209-217
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2005

Retrocommunication utilizing electroabsorption modulators and nonmechanical beam steering

Emil Hällstig, J Öhgren, L Allard et al
Optical Engineering. Vol. 44, p. 45001-
Artikel i vetenskaplig tidskrift
2004

Beam Steering Experiment with Two Cascaded Ferroelectric Liquid-Crystal Spatial Light Modulators

David Engström, Sverker Hård, Per Rudquist et al
Applied Optics. Vol. 43 (7), p. 1559-69
Artikel i vetenskaplig tidskrift
2004

A novel free-space retro-communication link

Lars Sjöqvist, Emil Hällstig, Johan Öhgren et al
Proceedings of SPIE - The International Society for Optical Engineering. Vol. 5614, p. 10-23
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2004

Beam steering experiment with two cascaded ferroelectric liquid-crystal spatial light modulators

David Engström, Sverker Hård, Per Rudquist et al
Applied Optics. Vol. 43 (7), p. 1559-1569
Artikel i vetenskaplig tidskrift
2003

Beam steering by combing two binary-phase-modulated FLC SLMs

David Engström, Sverker Hård, Per Rudquist et al
Proceedings of SPIE, the International Society for Optical Engineering. Vol. 5181
Artikel i vetenskaplig tidskrift
2003

Beam steering by combining two binary phase modulated FLC SLMs

David Engström, Sverker Hård, Per Rudquist et al
Proc. SPIE. Vol. 5181, p. 132-143
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2002

Beam steering with four-level phase-modulating SLM

David Engström, Emil Hällstig, Sverker Hård
in OSA TOPS, Vol 75, Diffractive Optics and Micro-Optics, OSA Technical Digest, Postconference Edition. Vol. 75, p. 14-16
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2001

Beam steering by combination of two binary phase modulating ferroelectric liquid crystal SLMs

David Engström, Anders Magnusson, Sverker Hård et al
EOS Topical Meeting Digest Series. Vol. 30, p. 114-115
Konferensbidrag (offentliggjort, men ej förlagsutgivet)

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