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Company · Torrance · United States

Opto-Knowledge Systems (United States)

optoknowledge.comROR OpenAlex
Research works
45
▲ 41% vs 2018-21
Citations
1.3k
28.3 per fractional work
Top-10% rate
4.7%
all institutions 10.0%
Open access
22%
world 40%
International
17%
world 18%
Opto-Knowledge Systems (United States)

Not ranked overall: Opto-Knowledge Systems (United States) is under the volume floor below which a citation excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Opto-Knowledge Systems (United States) work in?

In all years, 82% of research at Opto-Knowledge Systems (United States) is in Physical Sciences, 8% in Life Sciences. Its largest fields are Engineering (44%), Chemistry (15%), Computer Science (6%). It does 1.9× the world's share of Physical Sciences.

Physical Sciences: 37 fractional works · 81.6% of its workEngineering: 20 fractional works · 43.5% of its workElectrical and Electronic Engineering: 9 fractional works · 19.7% of its workAerospace Engineering: 3 fractional works · 7.1% of its workMedia Technology: 2 fractional works · 3.6% of its workBiomedical Engineering: 1 fractional works · 3.1% of its workControl and Systems Engineering: 1 fractional works · 2.6% of its workSafety, Risk, Reliability and Quality: 1 fractional works · 2.6% of its workMechanics of Materials: 1 fractional works · 1.3% of its workComputational Mechanics: 1 fractional works · 1.1% of its workOcean Engineering: 0 fractional works · 1.1% of its workAutomotive Engineering: 0 fractional works · 0.7% of its workCivil and Structural Engineering: 0 fractional works · 0.6% of its workChemistry: 7 fractional works · 14.7% of its workSpectroscopy: 6 fractional works · 12.6% of its workAnalytical Chemistry: 1 fractional works · 2.1% of its workComputer Science: 3 fractional works · 6.0% of its workComputer Vision and Pattern Recognition: 1 fractional works · 2.2% of its workArtificial Intelligence: 1 fractional works · 1.5% of its workComputer Networks and Communications: 1 fractional works · 1.5% of its workInformation Systems: 0 fractional works · 0.7% of its workPhysics and Astronomy: 2 fractional works · 4.9% of its workAtomic and Molecular Physics, and Optics: 2 fractional works · 3.8% of its workInstrumentation: 0 fractional works · 0.7% of its workAstronomy and Astrophysics: 0 fractional works · 0.4% of its workEnvironmental Science: 2 fractional works · 4.6% of its workGlobal and Planetary Change: 1 fractional works · 2.7% of its workEcology: 0 fractional works · 1.1% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.2% of its workPollution: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEarth and Planetary Sciences: 1 fractional works · 2.8% of its workAtmospheric Science: 1 fractional works · 2.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workChemical Engineering: 1 fractional works · 2.0% of its workBioengineering: 1 fractional works · 1.1% of its workFluid Flow and Transfer Processes: 0 fractional works · 0.9% of its workEnergy: 1 fractional works · 1.9% of its workRenewable Energy, Sustainability and the Environment: 1 fractional works · 1.9% of its workMathematics: 0 fractional works · 0.6% of its workModeling and Simulation: 0 fractional works · 0.4% of its workApplied Mathematics: 0 fractional works · 0.2% of its workMaterials Science: 0 fractional works · 0.6% of its workSurfaces, Coatings and Films: 0 fractional works · 0.4% of its workCeramics and Composites: 0 fractional works · 0.2% of its workLife Sciences: 3 fractional works · 7.6% of its workAgricultural and Biological Sciences: 2 fractional works · 4.6% of its workPlant Science: 2 fractional works · 3.3% of its workSoil Science: 0 fractional works · 0.6% of its workInsect Science: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 2.5% of its workBiophysics: 0 fractional works · 1.0% of its workClinical Biochemistry: 0 fractional works · 0.4% of its workEndocrinology: 0 fractional works · 0.4% of its workCancer Research: 0 fractional works · 0.2% of its workCell Biology: 0 fractional works · 0.2% of its workMolecular Biology: 0 fractional works · 0.2% of its workImmunology and Microbiology: 0 fractional works · 0.5% of its workImmunology: 0 fractional works · 0.5% of its workHealth Sciences: 3 fractional works · 7.2% of its workMedicine: 2 fractional works · 4.8% of its workOncology: 1 fractional works · 1.2% of its workNephrology: 0 fractional works · 1.1% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.6% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.6% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.5% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.5% of its workPathology and Forensic Medicine: 0 fractional works · 0.4% of its workDentistry: 0 fractional works · 1.1% of its workOral Surgery: 0 fractional works · 1.1% of its workHealth Professions: 0 fractional works · 0.7% of its workGeneral Health Professions: 0 fractional works · 0.4% of its workOccupational Therapy: 0 fractional works · 0.4% of its workVeterinary: 0 fractional works · 0.6% of its workSmall Animals: 0 fractional works · 0.6% of its workSocial Sciences: 2 fractional works · 3.6% of its workDecision Sciences: 1 fractional works · 2.1% of its workStatistics, Probability and Uncertainty: 1 fractional works · 1.9% of its workManagement Science and Operations Research: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workPsychology: 0 fractional works · 1.1% of its workSocial Psychology: 0 fractional works · 0.6% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.5% of its workSocial Sciences: 0 fractional works · 0.4% of its workSociology and Political Science: 0 fractional works · 0.4% of its workALL ITS WORKOpto-KnowledgeSystems (United…45fractional works, all years
Life Sciences8%Physical Sciences82%Health Sciences7%Social Sciences4%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 20 fields, with their numbers
    1. Engineering2043.5%
    2. Chemistry714.7%
    3. Computer Science36.0%
    4. Physics and Astronomy24.9%
    5. Environmental Science24.6%
    6. Earth and Planetary Sciences12.8%
    7. Chemical Engineering12.0%
    8. Energy11.9%
    9. Mathematics00.6%
    10. Materials Science00.6%
    1. Agricultural and Biological Sciences24.6%
    2. Biochemistry, Genetics and Molecular Biology12.5%
    3. Immunology and Microbiology00.5%
    1. Medicine24.8%
    2. Dentistry01.1%
    3. Health Professions00.7%
    4. Veterinary00.6%
    1. Decision Sciences12.1%
    2. Psychology01.1%
    3. Social Sciences00.4%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.01× its world share, 0 worksAgricultural and Bio…Chemical Engineering: 3.29× its world share, 0 worksChemical EngineeringChemistry: 13.96× its world share, 1 worksChemistryEarth and Planetary Sciences: 4.25× its world share, 0 worksEarth and Planetary …Engineering: 1.78× its world share, 2 worksEngineeringEnvironmental Science: 2.41× its world share, 1 worksEnvironmental SciencePhysics and Astronomy: 1.94× its world share, 0 worksPhysics and AstronomyHealth Professions: 2.18× its world share, 0 worksHealth ProfessionsMedicine: 0.42× its world share, 0 worksMedicinePsychology: 2.83× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemistry, 14.0×. Every wedge is a field page.

All 10 fields, with their numbers
  1. Chemistry13.96×1 works
  2. Earth and Planetary Sciences4.25×0 works
  3. Chemical Engineering3.29×0 works
  4. Psychology2.83×0 works
  5. Environmental Science2.41×1 works
  6. Health Professions2.18×0 works
  7. Physics and Astronomy1.94×0 works
  8. Engineering1.78×2 works
  9. Agricultural and Biological Sciences1.01×0 works
  10. Medicine0.42×0 works

Who are the top researchers at Opto-Knowledge Systems (United States)?

Ranked on the quality score, Mike E. Cox, Thomas J. Poorman and Nahum Gat lead among researchers whose main affiliation is Opto-Knowledge Systems (United States).

  1. 1 Mike E. Cox United States · #3,179,383 worldwide 1.1k citations · 15 works
  2. 2 Thomas J. Poorman United States · #4,661,022 worldwide 113 citations · 19 works
  3. 3 Nahum Gat United States · #4,889,318 worldwide 963 citations · 61 works
  4. 4 Jason M. Kriesel United States · #5,039,052 worldwide 900 citations · 89 works
All ranked researchers at Opto-Knowledge Systems (United States)

What are the most cited papers from Opto-Knowledge Systems (United States)?

The most cited paper from Opto-Knowledge Systems (United States) is "The human body at cellular resolution: the NIH Human Biomolecular Atlas Program" (Writing Group et al., 2019), with 692 citations. Next come "Imaging spectroscopy using tunable filters: a review" (517) and "PhysiCell: An open source physics-based cell simulator for 3-D multicellular systems" (503).

Most cited papers
#PaperReleasedCitations
1 The human body at cellular resolution: the NIH Human Biomolecular Atlas Program Writing Group et al. · Nature Open access158 authors 9 Oct 2019 692
2 Imaging spectroscopy using tunable filters: a review Nahum Gat · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE Conference paper 5 Apr 2000 517
3 PhysiCell: An open source physics-based cell simulator for 3-D multicellular systems Ahmadreza Ghaffarizadeh, Randy W. Heiland, Samuel H. Friedman et al. · PLoS Computational Biology Open access 23 Feb 2018 503
4 Part-per-trillion level SF_6 detection using a quartz enhanced photoacoustic spectroscopy-based sensor with single-mode fiber-coupled quantum cascade laser excitation Vincenzo Spagnolo, Pietro Patimisco, Simone Borri et al. · Optics Letters 23 Oct 2012 164
5 MHz laser absorption spectroscopy via diplexed RF modulation for pressure, temperature, and species in rotating detonation rocket flows Anil P. Nair, Daniel D. Lee, Daniel I. Pineda et al. · Applied Physics B 25 Jul 2020 104
All 93 most cited papers, with filters and sorting

Which keywords describe research at Opto-Knowledge Systems (United States)?

By fractional works in all years, weighted toward what it does more of than the world: Gas Sensing, Breath Analysis, Spectroscopic Databases, Terahertz Quantum-Cascade Lasers, Nonlinear Optics, Detection, Frequency Conversion and Remote Sensing.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Gas Sensing7▲ 193×2 topics
  2. Breath Analysis6▲ 95×2 topics
  3. Spectroscopic Databases6▲ 220×1 topic
  4. Terahertz Quantum-Cascade Lasers6▲ 220×1 topic
  5. Remote Sensing2▲ 4.6×7 topics
  6. Detection2▲ 14×4 topics
  7. Frequency Conversion2▲ 42×2 topics
  8. Nonlinear Optics2▲ 25×3 topics
  9. Fiber Lasers2▲ 27×3 topics
  10. Electric Discharge2▲ 105×1 topic
  11. Laser Oscillation2▲ 105×1 topic
  12. Biosensors2▲ 6.3×2 topics
  13. Deep Learning2▲ 1.65×4 topics
  14. Sparse Representation2▲ 19×2 topics
  15. Neural Networks2▲ 3.2×3 topics
  16. Biomedical Imaging1▲ 54×2 topics
  17. High-Power Laser1▲ 127×1 topic
  18. High-Speed Imaging1▲ 24×2 topics
  19. Hyperspectral1▲ 47×2 topics
  20. Machine Vision1▲ 15×2 topics
  21. Photon Counting1▲ 40×2 topics
  22. Raman Lasers1▲ 17×2 topics
  23. Supercontinuum Generation1▲ 127×1 topic
  24. Artificial Neural Networks1▲ 6.4×2 topics
  25. Infrared1▲ 89×1 topic
  26. Small Target1▲ 89×1 topic
  27. Spectroscopy1▲ 7.9×3 topics
  28. Emissions1▲ 12×2 topics
  29. Hyperspectral Imaging1▲ 7.3×2 topics
  30. Near-Infrared Spectroscopy1▲ 28×2 topics
  31. Optical Modulators1▲ 12×1 topic
  32. Plant Development1▲ 28×2 topics
  33. Silicon Photonics1▲ 16×1 topic
  34. CMOS Image Sensors1▲ 86×1 topic
  35. Depth Estimation1▲ 24×2 topics
  36. Imaging1▲ 6.4×2 topics
  37. Low-Noise Sensors1▲ 86×1 topic
  38. Optical Fiber1▲ 17×2 topics
  39. Photoreceptors1▲ 100×1 topic
  40. Signal Transduction1▲ 9.1×1 topic

Which research topics does Opto-Knowledge Systems (United States) publish most on?

By volume in 2022-now: Spectroscopy and Laser Applications, Advanced Fiber Optic Sensors, Photonic and Optical Devices and Ergonomics and Musculoskeletal Disorders.

Spectroscopy and Laser A…1Spectroscopy and Laser Applications: 1 fractional worksAdvanced Fiber Optic Sensors: 0 fractional worksPhotonic and Optical Devices: 0 fractional worksErgonomics and Musculoskeletal Disorders: 0 fractional worksPlanetary Science and Exploration: 0 fractional worksLaser Design and Applications: 0 fractional worksAtmospheric Ozone and Climate: 0 fractional worksPhotonic Crystal and Fiber Optics: 0 fractional worksAtmospheric and Environmental Gas Dynamics: 0 fractional worksFire effects on ecosystems: 0 fractional works
SpectroscopyElectrical and Electronic EngineeringSocial PsychologyAstronomy and Astrophysics2 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Spectroscopy and Laser Applications Spectroscopy 1 works
  2. 2 Advanced Fiber Optic Sensors Electrical and Electronic Engineering 0 works
  3. 3 Photonic and Optical Devices Electrical and Electronic Engineering 0 works
  4. 4 Ergonomics and Musculoskeletal Disorders Social Psychology 0 works
  5. 5 Planetary Science and Exploration Astronomy and Astrophysics 0 works
  6. 6 Laser Design and Applications Electrical and Electronic Engineering 0 works
  7. 7 Atmospheric Ozone and Climate Atmospheric Science 0 works
  8. 8 Photonic Crystal and Fiber Optics Electrical and Electronic Engineering 0 works
  9. 9 Atmospheric and Environmental Gas Dynamics Global and Planetary Change 0 works
  10. 10 Fire effects on ecosystems Global and Planetary Change 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available21.7%not open78.3%

World: 40% of research is openly available.

with international co-authors17.2%domestic only82.8%

World: 18% is written across borders.

How has Opto-Knowledge Systems (United States)'s research output changed?

Output in 2022-2025 was 41% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Opto-Knowledge Systems (United States) as a percentage of every work published that year, 0.0000036% in 2024.

still counting0.00020%0.00040%0.00060%Opto-Knowledge Systems (United States)0.000018% in 20251990200020102020

Fractional works of Opto-Knowledge Systems (United States) over all fractional works that year. How the balance of science has shifted.

Other research institutions in Torrance

All research institutions in Torrance

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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