<title>Study and test of a hybrid coronagraph</title>
Bibliographic record
Abstract
We report on variations around the technique of Achromatic Interfero Coronagraph (AIC). The AIC is an imaging device providing nulling of a star without nulling the environment of this star. This instrument already shows its capabilities with observations at Observatoire de Haute Provence and Canada France Hawaii Telescope. The main drawback of the AIC is the two symmetrical images it gives on the detector for a given feature. This characteristic is not annoying for compact features such as faint companions, blobs, ... but can be confusing for diluted features. We propose a method to suppress the symmetry of the output image of the AIC. As the AIC, the hybrid coronagraph we proposed is based on a Michelson interferometer with an image plane in one arm. A mask is placed in this image plane to cover the whole plane except the central part of the Airy disk. The hybrid coronagraph is then very close to the phase mask in the concept but since the interferences of the 2 arms are still destructive, it is less wavelength dependent. The only remaining dependency due to the mask diameter versus the wavelength can be largely decreased by an appropriate width for the mask. We eventually outlined first laboratory results with a hybrid coronagraph prototype.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".