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World rank
#635,887
of 7,710,434 ranked researchers
Rank in United States
#217,042
of 1,627,098
Works
563
Citations
15k
Citations per work
27.3

What does DAVID F. WELCH research?

DAVID F. WELCH's work is mostly in Engineering (43%), Physics and Astronomy (13%), Medicine (8%).

Life Sciences2%Physical Sciences56%Health Sciences8%

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. Engineering24243.0%
    2. Physics and Astronomy7212.7%
  1. Everything else19434.5%
    1. Medicine437.7%
    1. Immunology and Microbiology122.1%
  1. 1Electrical and Electronic Engineering43% of their works
  2. 2Atomic and Molecular Physics, and Optics13% of their works
  3. 3Pulmonary and Respiratory Medicine3% of their works
  4. 4Infectious Diseases2% of their works
  5. 5Epidemiology2% of their works
  6. 6Parasitology2% of their works

Research topics

Which keywords describe DAVID F. WELCH's research?

The keywords of their largest research topics: Raman Lasers, Optical Interconnects, Semiconductor Lasers, Optical Modulators, Silicon Photonics, Frequency Conversion, Quantum Dots and Semiconductor.

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. Raman Lasers2482 topics
  2. Optical Interconnects1971 topic
  3. Semiconductor Lasers1971 topic
  4. Optical Modulators1591 topic
  5. Silicon Photonics1591 topic
  6. Frequency Conversion1302 topics
  7. Quantum Dots1301 topic
  8. Semiconductor1301 topic
  9. Solid-State Lasers891 topic
  10. Ytterbium891 topic
  11. Coherent Detection821 topic
  12. Optical Fiber821 topic
  13. Microwave Photonics621 topic
  14. Photonic Signal Processing621 topic
  15. Electric Discharge411 topic
  16. Laser Oscillation411 topic
  17. Airborne Transmission321 topic
  18. Respiratory Viruses321 topic

Where does DAVID F. WELCH work?

DAVID F. WELCH's main affiliation in the publication record is Spectra Research (United States), United States.

How many publications and citations does DAVID F. WELCH have?

OpenAlex counts 563 works and 15,343 citations for DAVID F. WELCH, an h-index of 65, ranking #635,887 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.

Other researchers named DAVID F. WELCH

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