A novel optical fiber current sensor using polarization diversity and a Faraday rotation mirror cavity
Why this work is in the frame
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Bibliographic record
Abstract
A novel high sensitivity optical fiber current sensor (OFCS) based on polarization diversity (PD) and a Faraday rotation mirror cavity (FRMC) is proposed and demonstrated. The PD detection doubles the sensitivity and effectively removes the DC background compared with the single-channel detection, while the FRMC suppresses the reciprocal birefringence and amplifies non-reciprocal phase modulation caused by the current-induced magnetic field. Compared with the results obtained by single-channel detection, a signal gain of 6dB and a signal-to-noise ratio improvement of over 30dB have been achieved in the new scheme. A linear response is obtained for current amplitude as low as mA.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it