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Record W4240531828 · doi:10.1002/9780471740360.ebs0923

Photodiodes

2006· other· en· W4240531828 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueWiley Encyclopedia of Biomedical Engineering · 2006
Typeother
Languageen
FieldMedicine
TopicOptical Imaging and Spectroscopy Techniques
Canadian institutionsSimon Fraser University
Fundersnot available
KeywordsPhotodiodeOptoelectronicsPhotodetectorMiniaturizationDetectorElectronic circuitComputer scienceMaterials scienceElectrical engineeringNanotechnologyEngineeringTelecommunications

Abstract

fetched live from OpenAlex

Abstract A photodiode is a solid‐state sensor that responds to light by producing a measurable electronic current. Operating as a quantum threshold detector, a photodiode will only detect photons that exceed a certain energy level (the bandgap energy of the photodiode material) while not detecting photons below this level. This article covers the basics of pn‐junction, PIN, and avalanche photodiode operation, as well as the use of photodiodes in several example applications in biology and medicine. Photodiodes are attractive for biomedical applications because they are inexpensive compared with many other detection mechanisms, easy to use, small scale, readily available, and capable of operation in an array for parallel sensing. They are ideal for applications involving bed‐side monitoring such as pulse oximetry, rapid diagnosis including point‐of‐care instrumentation based on lab‐on‐a‐chip technology, and other instances where equipment benefits from greater miniaturization or portability. Semiconductor photodiodes are fabricated using similar methods used to produce transistors and integrated circuits and continue to evolve together with integrated circuits to be efficient and inexpensive photodetectors while maintaining their basic simplicity.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.188
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.004
GPT teacher head0.239
Teacher spread0.235 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it