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# White Rabbit Calibration
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These pages provide information on the calibration of White Rabbit
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devices. The goal of this subproject is to create methods for, what we
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call, [**absolute calibration**](/absolute-calibration).
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-----
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-----
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## Relative calibration
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# Relative calibration
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The traditional calibration approach, based on two golden calibrator
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devices which are the artefact standard.
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- [White Rabbit devices
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- [White Rabbit devices
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calibration](https://www.ohwr.org/project/white-rabbit/wikis/Calibration)
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calibration](https://www.ohwr.org/project/white-rabbit/wikis/Calibration)
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... | @@ -15,9 +20,9 @@ |
... | @@ -15,9 +20,9 @@ |
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-----
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-----
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## Absolute calibration
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# Absolute calibration
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### **Overview**
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## **Overview**
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Absolute calibration enforces standardization since it enables
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Absolute calibration enforces standardization since it enables
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independent developers and/or vendors to exchange their WR gear while
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independent developers and/or vendors to exchange their WR gear while
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... | @@ -50,7 +55,7 @@ Last but not least, there is an asymmetry (WR asymmetry coefficient |
... | @@ -50,7 +55,7 @@ Last but not least, there is an asymmetry (WR asymmetry coefficient |
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alpha) between forward- and backward propagation delay over the fiber
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alpha) between forward- and backward propagation delay over the fiber
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due to chromatic dispersion. This can be measured and monitored in-situ.
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due to chromatic dispersion. This can be measured and monitored in-situ.
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#### To conclude:
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### To conclude:
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Calibration of WR devices spans three main calibration topics, each
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Calibration of WR devices spans three main calibration topics, each
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described on the following wiki pages:
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described on the following wiki pages:
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... | @@ -79,16 +84,20 @@ Visser](https://www.ohwr.org/users/1975) |
... | @@ -79,16 +84,20 @@ Visser](https://www.ohwr.org/users/1975) |
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<td><b> Event </b></td>
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<td><b> Event </b></td>
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</tr>
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</tr>
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<tr class="even">
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<tr class="even">
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<td>24-02-16</td>
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<td>26-05-2018</td>
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<td>Start of project</td>
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<td>change the somewhat confusing titles at the top of the page</td>
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</tr>
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</tr>
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<tr class="odd">
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<tr class="odd">
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<td>22-07-16</td>
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<td>17-07-2017</td>
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<td>added description of White Rabbit Absolute Calibration Procedure</td>
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<td>divided calibration into three topics each described in sub-wiki pages</td>
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</tr>
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</tr>
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<tr class="even">
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<tr class="even">
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<td>17-07-17</td>
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<td>22-07-2016</td>
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<td>divided calibration into three topics each described in sub-wiki pages</td>
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<td>added description of White Rabbit Absolute Calibration Procedure</td>
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</tr>
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<tr class="odd">
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<td>24-02-2016</td>
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<td>Start of project</td>
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</tr>
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</tr>
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</tbody>
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</tbody>
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</table>
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</table>
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