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Researcher · Estonian Academy of Sciences · Estonia

Heiki Sõnajalg

Heiki Sõnajalg publishes mostly in Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Biophysics, on topics such as Laser-Matter Interactions and Applications, Advanced Fiber Laser Technologies and Photorefractive and Nonlinear Optics.

OpenAlex
World rank
#4,460,437
of 7,710,434 ranked researchers
Rank in Estonia
#2,904
of 4,874
Works
17
Citations
346
Citations per work
20.4
h-index
8
i10-index 8Top 72% in Atomic and Molecular Physics, and Optics
Heiki Sõnajalg

What does Heiki Sõnajalg research?

Heiki Sõnajalg's work is mostly in Physics and Astronomy (61%), Engineering (24%), Biochemistry, Genetics and Molecular Biology (4%).

Physical Sciences: 15 works · 86.3% of their workPhysics and Astronomy: 10 works · 60.8% of their workAtomic and Molecular Physics, and Optics: 10 works · 60.8% of their workEngineering: 4 works · 23.5% of their workElectrical and Electronic Engineering: 3 works · 15.7% of their workBiomedical Engineering: 1 works · 3.9% of their workMedia Technology: 1 works · 3.9% of their workChemistry: 0 works · 2.0% of their workPhysical and Theoretical Chemistry: 0 works · 2.0% of their workEverything else: 2 works · 9.8% of their workLife Sciences: 1 works · 3.9% of their workBiochemistry, Genetics and Molecular Biology: 1 works · 3.9% of their workBiophysics: 1 works · 3.9% of their workTHEIR WORKHeiki Sõnajalg17works
Life Sciences4%Physical Sciences86%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Physics and Astronomy1060.8%
    2. Engineering423.5%
    3. Chemistry02.0%
  2. Everything else29.8%
    1. Biochemistry, Genetics and Molecular Biology13.9%
  1. 1Atomic and Molecular Physics, and Optics61% of their works
  2. 2Electrical and Electronic Engineering16% of their works
  3. 3Biophysics4% of their works
  4. 4Media Technology4% of their works
  5. 5Biomedical Engineering4% of their works
  6. 6Physical and Theoretical Chemistry2% of their works

Research topics

Which keywords describe Heiki Sõnajalg's research?

The keywords of their largest research topics: Nonlinear Optics, Microresonators, Attosecond Physics, High-Harmonic Generation, Optical Frequency Combs, Ultrafast Lasers, Lithium Niobate and Photonics.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Nonlinear Optics223 topics
  2. Microresonators132 topics
  3. Attosecond Physics91 topic
  4. High-Harmonic Generation91 topic
  5. Optical Frequency Combs71 topic
  6. Ultrafast Lasers71 topic
  7. Lithium Niobate61 topic
  8. Photonics61 topic
  9. Coherent Detection31 topic
  10. Electromagnetically Induced Transparency31 topic
  11. Optical Fiber31 topic
  12. Optical Manipulation31 topic
  13. Orbital Angular Momentum31 topic
  14. Slow Light31 topic
  15. Holographic Displays21 topic
  16. Infrared Spectroscopy21 topic
  17. Raman Spectroscopy21 topic
  18. Stereoscopic Displays21 topic

Where does Heiki Sõnajalg work?

Heiki Sõnajalg's main affiliation in the publication record is Estonian Academy of Sciences, Estonia.

How many publications and citations does Heiki Sõnajalg have?

OpenAlex counts 17 works and 346 citations for Heiki Sõnajalg, an h-index of 8, ranking #4,460,437 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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