https://tcspc.com/ 2026-04-23T21:35:15+00:00 https://tcspc.com/ https://tcspc.com/lib/exe/fetch.php/logo.png text/html 2015-02-10T16:27:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://tcspc.com/doku.php/glossary:t3-mode?rev=1423585677&do=diff <table><tr><th colspan="2" width="50%">2015/02/10 17:27</th><th colspan="2" width="50%">current</th></tr><tr><td class="diff-blockheader" colspan="2">Line 12:</td> <td class="diff-blockheader" colspan="2">Line 12:</td> </tr> <tr><td class="diff-lineheader">&#160;</td><td class="diff-context">&#160; - the arrival time of the event pair on the overall experiment time scale (the time tag).</td><td class="diff-lineheader">&#160;</td><td class="diff-context">&#160; - the arrival time of the event pair on the overall experiment time scale (the time tag).</td></tr> <tr><td class="diff-lineheader">&#160;</td><td class="diff-context">&#160;</td><td class="diff-lineheader">&#160;</td><td class="diff-context">&#160;</td></tr> <tr><td class="diff-lineheader">-</td><td class="diff-deletedline">The latter was originally obtained from an independent asynchronous clock. This made it difficult to combine the start-stop timing with the time tag or to know the sync period the event belonged to. For the&#160;<strong class="diff-mark">PicoHarp</strong>&#039;s T3 Mode a smarter approach was chosen:\\&#160;</td><td class="diff-lineheader">+</td><td class="diff-addedline">The latter was originally obtained from an independent asynchronous clock. This made it difficult to combine the start-stop timing with the time tag or to know the sync period the event belonged to. For the&#160;<strong class="diff-mark">*Harp</strong>&#039;s T3 Mode a smarter approach was chosen:\\&#160;</td></tr> <tr><td class="diff-lineheader">&#160;</td><td class="diff-context">The time tag is now obtained by simply counting sync pulses. From the T3 Mode event records it is therefore possible to precisely determine which sync period a photon event belongs to. Since the sync period is also known precisely, this furthermore allows to reconstruct the arrival time of the photon with respect to the overall experiment time.</td><td class="diff-lineheader">&#160;</td><td class="diff-context">The time tag is now obtained by simply counting sync pulses. From the T3 Mode event records it is therefore possible to precisely determine which sync period a photon event belongs to. Since the sync period is also known precisely, this furthermore allows to reconstruct the arrival time of the photon with respect to the overall experiment time.</td></tr> <tr><td class="diff-lineheader">&#160;</td><td class="diff-context"></td><td class="diff-lineheader">&#160;</td><td class="diff-context"></td></tr> </table>