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Record W2066940846 · doi:10.1063/1.1587010

Evidence of a density grating under light induced formation of surface relief gratings at polymers containing azobenzene moieties

2003· article· en· W2066940846 on OpenAlexaff
U. Pietsch, P. Rochon

Bibliographic record

VenueJournal of Applied Physics · 2003
Typearticle
Languageen
FieldMaterials Science
TopicLiquid Crystal Research Advancements
Canadian institutionsRoyal Military College of Canada
FundersDeutsche Forschungsgemeinschaft
KeywordsAzobenzeneGratingMaterials scienceLaserPolymerWavelengthOpticsPower densityOptoelectronicsThin filmDiffraction gratingDiffraction efficiencyPower (physics)NanotechnologyPhysicsComposite material

Abstract

fetched live from OpenAlex

The formation of a surface relief grating (SRG) on polymer films containing azobenzene moieties has been inspected during exposure with counter-rotating circularly polarized light of λwrite=488 nm by probing the diffracting efficiency of a second low power laser. In particular, the growing SRG was observed at films of different film thickness and with low and high light power of the writing laser. Using probe lasers of two different wavelength (λprobe=514 and 670 nm) the grating formation was inspected near the film surface and within the whole film, respectively. At low writing power (P=50 mW) and small film thickness (d<100 nm) only a SRG appears while at higher laser power and thicker films (d>300 nm) a density grating is also created within the film. The observations confirm the trends suggested by finite element calculations.

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.

How this classification was reachedexpand

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.007
Threshold uncertainty score0.510

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.046
GPT teacher head0.299
Teacher spread0.254 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations13
Published2003
Admission routes1
Has abstractyes

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