User Tools

Site Tools


howto:antibunching_measurements

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
Next revisionBoth sides next revision
howto:antibunching_measurements [2023/09/07 11:34] – [Antibunching using SymPhoTime] peterhowto:antibunching_measurements [2023/09/07 11:50] – [Changing from Normal Acquisition (T3-mode) to Antibunching (T2-mode)] peter
Line 16: Line 16:
     *with [[Products:PicoHarp 300]] in [[glossary:T3-mode]]     *with [[Products:PicoHarp 300]] in [[glossary:T3-mode]]
         *not possible with SymPhoTime (32-bit version), because in SPT32 the Sync Divider is always active and set to 8         *not possible with SymPhoTime (32-bit version), because in SPT32 the Sync Divider is always active and set to 8
-        *instead, data acquisition is possible with native [[Products:PicoHarp 300]]/[[Products:HydraHarp 400]] softwares as well as with [[software:SymPhoTime64]], where the sync divider can be disabled. With a HydraHarp400, don't use use SYNC channel as input for one detector. Use e.g. input channels 1 and 2. SYNC signal must be disconnected. Unfortunately, analysis of HH T3-antibunching data is not implemented in SPT. +        
 +Instead, data acquisition is possible with native [[Products:PicoHarp 300]]/[[Products:HydraHarp 400]] softwares as well as with [[software:SymPhoTime64]], where the sync divider can be disabled. 
 + 
 +Using a PicoHarp300, connect one detector to Ch.0 (SYNC) and the other one to Ch.1 
 + 
 +With a HydraHarp400, don't use use SYNC channel as input for one detector. Use e.g. input channels 1 and 2. The SYNC should stay connected. 
 + 
 +Unfortunately, analysis of HydraHarp400 T3-mode antibunching data is not implemented in SPT. 
     *with [[Products:PicoHarp 300]]/[[Products:HydraHarp 400]] in [[glossary:T2-mode]]     *with [[Products:PicoHarp 300]]/[[Products:HydraHarp 400]] in [[glossary:T2-mode]]
-        *measurements are possible with the [[software:SymPhoTime64]]+        *measurements are possible with [[software:SymPhoTime64]]
  
 ==== Changing from Normal Acquisition (T3-mode) to Antibunching (T2-mode) ==== ==== Changing from Normal Acquisition (T3-mode) to Antibunching (T2-mode) ====
Line 24: Line 31:
 === Cabling: PicoHarp === === Cabling: PicoHarp ===
  
-     -Disconnect Sync from [[Products:PicoHarp 300]] Ch0+     -Disconnect Sync from [[Products:PicoHarp 300]] Ch.0
-     -Disconnect SPAD 1 Signal from Router ([[Products:PHR800]])+     -Disconnect SPAD 1 Signal from PHR800 Router
-     -Connect SPAD 1 to [[Products:PicoHarp 300]] Ch0 (Do not use the attenuator).+     -Connect SPAD 1 Signal to [[Products:PicoHarp 300]] Ch.0 only if it is NIM compatible. If the SPAD provides only TTL output pulses, you need to use the SIA400 adapter.
      -Adjustment of the CFD Level for Ch 0 (Sync Channel) might be necessary.       -Adjustment of the CFD Level for Ch 0 (Sync Channel) might be necessary. 
  
howto/antibunching_measurements.txt · Last modified: 2023/09/07 11:54 by peter