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Record W2166376622 · doi:10.1109/rose.2008.4669196

Design of Fast Steering Mirror systems for precision laser beams steering

2008· article· en· W2166376622 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.
fundA Canadian funder is recorded on the work.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicGeophysics and Sensor Technology
Canadian institutionsUniversity of Toronto
FundersNational University of Defense TechnologyChina Scholarship CouncilUniversity of Toronto
KeywordsJitterBeam steeringLaserOpticsComputer scienceControl systemBeam (structure)EngineeringElectronic engineeringPhysicsElectrical engineering

Abstract

fetched live from OpenAlex

Precision laser beam steering is critical in numerous applications, such as military, biomedical and industrial. Precise pointing of laser beams is particularly essential in challenging environments. The optical signal may break and wander due to environmental influences. The core problem of steering performances is to deal with the jitter disturbance. Based on the analysis of principle of angle beam steering system, some important factors to design the structure of Fast Steering Mirror (FSM) and the layout of laser optics steering system are presented. In laser beam applications, FSM presents more challenges in terms of the need for extremely precise pointing between two sources involved in the link. Flexure hinges with compliant mechanisms, with several advantages over classical rotational joints, are used to build the FSM structure. In precise laser beam steering it is necessary to steer a laser beam to a target and maintain the alignment with extreme precision over long periods of time. To make the system effective, a 4-quadrant detector has been used as the sensor for the incoming light. A design of the developed control loop and concepts for the experimental setup are discussed. A laser beam jitter control test bed is also introduced to improve jitter control techniques.

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 categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.395
Threshold uncertainty score0.489

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
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 head0.026
GPT teacher head0.204
Teacher spread0.179 · 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

Quick stats

Citations56
Published2008
Admission routes2
Has abstractyes

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