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Researcher · University of Alabama in Huntsville · United States

Charles E. Keffer

Charles E. Keffer publishes mostly in Aerospace Engineering, Electrical and Electronic Engineering and Spectroscopy, on topics such as Spectroscopy and Laser Applications, Atmospheric Ozone and Climate and Calibration and Measurement Techniques.

OpenAlex
World rank
#4,237,808
of 7,710,434 ranked researchers
Rank in United States
#1,142,446
of 1,627,098
Works
19
Citations
561
Citations per work
29.5
h-index
8
i10-index 7Top 38% in Aerospace Engineering
Charles E. Keffer

What does Charles E. Keffer research?

Charles E. Keffer's work is mostly in Engineering (30%), Chemistry (13%), Earth and Planetary Sciences (9%).

Physical Sciences: 13 works · 68.7% of their workEngineering: 6 works · 29.7% of their workAerospace Engineering: 3 works · 16.7% of their workElectrical and Electronic Engineering: 2 works · 13.0% of their workChemistry: 2 works · 13.0% of their workSpectroscopy: 2 works · 13.0% of their workEarth and Planetary Sciences: 2 works · 9.3% of their workAtmospheric Science: 2 works · 9.3% of their workEnvironmental Science: 2 works · 9.3% of their workGlobal and Planetary Change: 2 works · 9.3% of their workPhysics and Astronomy: 1 works · 7.4% of their workAstronomy and Astrophysics: 1 works · 7.4% of their workEverything else: 6 works · 31.3% of their workTHEIR WORKCharles E. Keffer19works
Physical Sciences69%

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. Engineering629.7%
    2. Chemistry213.0%
    3. Earth and Planetary Sciences29.3%
    4. Environmental Science29.3%
    5. Physics and Astronomy17.4%
  2. Everything else631.3%
  1. 1Aerospace Engineering17% of their works
  2. 2Electrical and Electronic Engineering13% of their works
  3. 3Spectroscopy13% of their works
  4. 4Global and Planetary Change9% of their works
  5. 5Atmospheric Science9% of their works
  6. 6Astronomy and Astrophysics7% of their works

Research topics

Which keywords describe Charles E. Keffer's research?

The keywords of their largest research topics: Spectroscopic Databases, Terahertz Quantum-Cascade Lasers, On-Orbit Performance, Ozone Depletion, Radiometric Calibration, Stratospheric Water Vapor, Infrared and Small Target.

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.

All 16 words, with their numbers
  1. Spectroscopic Databases61 topic
  2. Terahertz Quantum-Cascade Lasers61 topic
  3. On-Orbit Performance51 topic
  4. Ozone Depletion51 topic
  5. Radiometric Calibration51 topic
  6. Stratospheric Water Vapor51 topic
  7. Infrared41 topic
  8. Small Target41 topic
  9. Emissions31 topic
  10. Laser31 topic
  11. Methane31 topic
  12. Roughness Measurement31 topic
  13. Semiconductor31 topic
  14. Surface Characterization31 topic
  15. Electric Discharge21 topic
  16. Laser Oscillation21 topic

Where does Charles E. Keffer work?

Charles E. Keffer's main affiliation in the publication record is University of Alabama in Huntsville, United States.

How many publications and citations does Charles E. Keffer have?

OpenAlex counts 19 works and 561 citations for Charles E. Keffer, an h-index of 8, ranking #4,237,808 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised 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.

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