Theoretical modeling of acousto-optic modulated stroboscopic interferometer
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Bibliographic record
Abstract
A requirement to advance consistency and predictability of Micro-Electro Mechanical System (MEMS) device has triggered research to have precise measurements and visual means to characterize dynamic parameters. Time resolved measurements of entire surface in a microdevice to nanometer level accuracy are difficult using conventional metrology system such as optical interferometer and optical microscopy. Laser Doppler Vibrometer (LDV) has found their applications to some extent. Due to Single point technique, scanning is a must in LDV which sets drawback for characterization in Microsystems. In this paper we propose the use of Acousto Optic Modulator (AOM) as a strobing device with a continuous wave laser to develop a stroboscopic interferometer for static and dynamic characterization of out of plane motion. Due to high random access time (typical 150 nanoseconds) AOM improves the capability of the tool to test MEMS devices of higher frequencies. Detail study is done on the strobe frequency to correlate the pulsating frequency of the laser by the AOM and the driven frequency of the microdevice. Theoretical modeling of the stroboscopic interferometer is carried out by formulating the understanding between strobe frequency and the MEMS device.
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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) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| 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 it