Dielectric probes for submillimeter and terahertz‐wave range instrumentation and characterizations
Bibliographic record
Abstract
Abstract In this letter, a new set of silicon probes, at submillimeter and terahertz frequency range, for I/O connectivity and instrumentation applications are introduced.The designed probes are optimized for testing of planar silicon‐based integrated circuits using newly introduced network analyzers, e.g., a PNA‐X. The probes have been optimized for different frequency windows matched to the standard metallic rectangular waveguides (WR‐2, WR‐4, and WR‐6) corresponding to the frequency band of 110–500 GHz and higher. The probes comprised of highly resistive silicon channel waveguides, which are tapered on both sides laterally and vertically. The side of the probes which is coupled to the WR waveguide is tapered laterally and the other end which is used to couple the signal to or out of the sample under the test is tapered vertically with an angle of 54.6°. The probes are pressed (side‐coupled) on the sample under the test. The probing system consisting of the input and output tapers and a channel silicon waveguide as the sample under the test are designed and simulated using HFSS v.12 for three windows of frequencies including 110–170, 170–260, and 325–500 GHz. The simulation results show that the insertion loss and return loss are lower than 3 dB and higher than 15 dB, respectively; which are much better than the losses of commercially available high frequency probes. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2095–2098, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27003
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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".