Mercurial > hg > fxanalyse
comparison FXAnalyse.c @ 10:239f2fe67cc0
Fix slope cancelling following Hg cavity
What we really want to do is to keep constant the frequency of the beat note
between comb and 1062 nm light from the Hg cavity, acting on the repetition
rate by stearing the frequency of the 1542 nm light from the local cavity to
which we lock the comb.
| author | Daniele Nicolodi <daniele.nicolodi@obspm.fr> |
|---|---|
| date | Wed, 04 Jul 2012 14:39:50 +0200 |
| parents | 5549a69e1cfa |
| children | 783407954cdf |
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| 9:5a3099ca9397 | 10:239f2fe67cc0 |
|---|---|
| 1305 switch (slopeReference) { | 1305 switch (slopeReference) { |
| 1306 case SLOPE_REFERENCE_MICROWAVE: | 1306 case SLOPE_REFERENCE_MICROWAVE: |
| 1307 currentFreq = Math2; | 1307 currentFreq = Math2; |
| 1308 break; | 1308 break; |
| 1309 case SLOPE_REFERENCE_HG_CAVITY: | 1309 case SLOPE_REFERENCE_HG_CAVITY: |
| 1310 currentFreq = Math3 * 1062.5 / 1542.2; | 1310 currentFreq = Ch2 * 1062.5 / 1542.2; |
| 1311 break; | 1311 break; |
| 1312 } | 1312 } |
| 1313 | 1313 |
| 1314 if (utc-SlopeMeasuringTimeBegin > TimetoSlope) | 1314 if (utc-SlopeMeasuringTimeBegin > TimetoSlope) |
| 1315 { | 1315 { |