Per Gren

1000 total citations
77 papers, 820 citations indexed

About

Per Gren is a scholar working on Computational Mechanics, Atomic and Molecular Physics, and Optics and Computer Vision and Pattern Recognition. According to data from OpenAlex, Per Gren has authored 77 papers receiving a total of 820 indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Computational Mechanics, 26 papers in Atomic and Molecular Physics, and Optics and 25 papers in Computer Vision and Pattern Recognition. Recurrent topics in Per Gren's work include Digital Holography and Microscopy (23 papers), Optical measurement and interference techniques (23 papers) and Surface Roughness and Optical Measurements (11 papers). Per Gren is often cited by papers focused on Digital Holography and Microscopy (23 papers), Optical measurement and interference techniques (23 papers) and Surface Roughness and Optical Measurements (11 papers). Per Gren collaborates with scholars based in Sweden, Egypt and Hungary. Per Gren's co-authors include Mikael Sjödahl, Staffan Schedin, Alexander Kaplan, Alexey Sepman, T. Staffan Lundström, Yngve Ögren, Pál Tóth, Henrik Wiinikka, Xide Li and N.-E. Molin and has published in prestigious journals such as Journal of Applied Physics, The Journal of the Acoustical Society of America and Optics Express.

In The Last Decade

Per Gren

69 papers receiving 764 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Per Gren Sweden	18	312	203	192	179	178	77	820
T. D. Dudderar United States	14	216 0.7×	166 0.8×	163 0.8×	195 1.1×	104 0.6×	56	621
David Bergström Sweden	11	241 0.8×	108 0.5×	229 1.2×	65 0.4×	125 0.7×	27	614
A. Kubota Japan	14	454 1.5×	637 3.1×	294 1.5×	143 0.8×	109 0.6×	56	1.1k
W. H. Stevenson United States	17	382 1.2×	95 0.5×	182 0.9×	85 0.5×	143 0.8×	77	764
David B. Lindell United States	20	99 0.3×	175 0.9×	523 2.7×	337 1.9×	395 2.2×	48	1.9k
Tomaž Požar Slovenia	13	166 0.5×	157 0.8×	220 1.1×	104 0.6×	199 1.1×	43	717
J.N. Butters United Kingdom	9	275 0.9×	188 0.9×	244 1.3×	619 3.5×	147 0.8×	29	987
H. T. Goldrein United Kingdom	12	99 0.3×	627 3.1×	211 1.1×	271 1.5×	86 0.5×	21	1.2k
J S Barton United Kingdom	21	159 0.5×	90 0.4×	210 1.1×	101 0.6×	235 1.3×	80	1.4k
Н. А. Фомин Belarus	13	207 0.7×	84 0.4×	44 0.2×	84 0.5×	71 0.4×	64	506

Countries citing papers authored by Per Gren

Since Specialization

Citations

This map shows the geographic impact of Per Gren's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Per Gren with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Per Gren more than expected).

Fields of papers citing papers by Per Gren

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Per Gren. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Per Gren. The network helps show where Per Gren may publish in the future.

Co-authorship network of co-authors of Per Gren

This figure shows the co-authorship network connecting the top 25 collaborators of Per Gren. A scholar is included among the top collaborators of Per Gren based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Per Gren. Per Gren is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Gren, Per, et al.. (2025). Computational Analysis of Flow Separation in Non-Transferred Plasma Torch: Causes, Impacts and Control Methods. Fluids. 10(2). 47–47. 1 indexed citations

Gren, Per, et al.. (2023). Capillary Bridge in Contact with Ice Particles Can Be Related to the Thin Liquid Film on Ice. Journal of Cold Regions Engineering. 38(1). 2 indexed citations

Tóth, Pál, et al.. (2018). Spray combustion of biomass fast pyrolysis oil: Experiments and modeling. Fuel. 237. 580–591. 18 indexed citations

Gren, Per, et al.. (2017). Image analyses of frost heave mechanisms based on freezing tests with free access to water. Cold Regions Science and Technology. 146. 187–198. 18 indexed citations

Lundström, T. Staffan, et al.. (2016). Measurements of Transitional and Turbulent Flow in a Randomly Packed Bed of Spheres with Particle Image Velocimetry. Transport in Porous Media. 116(1). 413–431. 33 indexed citations

Linder, Tomas, et al.. (2014). Light scattering in fibrous media with different degrees of in-plane fiber alignment. Optics Express. 22(14). 16829–16829. 9 indexed citations

Sjödahl, Mikael, et al.. (2012). High-speed interferometric measurement and visualization of the conversion of a black liquor droplet during laser heating. Optics and Lasers in Engineering. 50(11). 1654–1661. 6 indexed citations

Sjödahl, Mikael, et al.. (2010). Measurement of spatiotemporal phase statistics in turbulent air flow using high-speed digital holographic interferometry. Applied Optics. 49(8). 1314–1314. 1 indexed citations

Olsson, Erik, Per Gren, & Mikael Sjödahl. (2010). Photoacoustic waves generated in blood studied using pulsed digital holography. Applied Optics. 49(16). 3053–3053. 3 indexed citations

10.

Sjödahl, Mikael, et al.. (2009). Depth-resolved measurement of phase gradients in a transient phase object field using pulsed digital holography. Applied Optics. 48(34). H31–H31. 15 indexed citations

11.

Norman, Peter, Hans Engström, Per Gren, & Alexander Kaplan. (2008). Correlation between photodiode monitoring and high speed imaging of the dynamics causing laser welding defects. 5 indexed citations

12.

Gren, Per, et al.. (2008). Digital holographic interferometry for simultaneous orthogonal radial vibration measurementsalong rotating shafts. Applied Optics. 47(18). 3269–3269. 2 indexed citations

13.

Sjödahl, Mikael, et al.. (2008). Wiener filtering of interferometry measurements through turbulent air using an exponential forgetting factor. Applied Optics. 47(16). 2971–2971. 2 indexed citations

14.

Gren, Per, et al.. (2007). Measurement of milling tool vibrations during cutting using laser vibrometry. International Journal of Machine Tools and Manufacture. 48(3-4). 380–387. 56 indexed citations

15.

Gren, Per, et al.. (2007). Investigation of the photoacoustic signal dependence on laser power. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7022. 70220C–70220C.

16.

Gren, Per, et al.. (2006). Laser vibrometry measurements of vibration and sound fields of a bowed violin. Measurement Science and Technology. 17(4). 635–644. 22 indexed citations

17.

Sjödahl, Mikael, et al.. (2005). Percussion hole drilling of metals with a fourth-harmonic Nd:YAG laser studied by defocused laser speckle correlation. Applied Optics. 44(17). 3403–3403. 6 indexed citations

18.

Gren, Per. (2002). Bending wave propagation in rotating objects measured by pulsed TV holography. Applied Optics. 41(34). 7237–7237. 8 indexed citations

19.

Gren, Per. (2000). A pulsed TV holography system for the study of transients in experimental mechanics. KTH Publication Database DiVA (KTH Royal Institute of Technology).

20.

Gren, Per. (1987). Structured surfaces and turbulence. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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