F 2 -laser writing of silica optical waveguides in silicone rubber
Bibliographic record
Abstract
F<sub>2</sub>-laser writing of silica (SiO<sub>2</sub>) optical waveguides has been successfully demonstrated on the surface of silicone [(SiO(CH<sub>3</sub>)<sub>2</sub>)<sub>n</sub>] rubber by the photochemical modification of silicone into silica. The 2-mm-thick silicone rubber was exposed to the 157-nm F<sub>2</sub>-laser beam through a thin (~0.2 mm) air layer. A proximity Cr-on-CaF<sub>2</sub> photomask with 8- to 16-micron-wide slits controlled the exposure size to define the width of the silica waveguide. Optimum laser conditions to generate crack-free waveguides with good transparency were found by varying the laser fluence, pulse repetition rate and total exposure. The optimized waveguides were found to guide both red (~635-nm) and infrared (~1550-nm) wavelengths with light end-fired from standard single-mode fiber.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 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".