Flex11-16ch

Image of Flex11-16ch.  The dimension of the external enclosure is approximately 6"x5"x1.1"

System requirements:

A USB 2.0 port.  All flavors of Windows OS.

Flex11-16ch hardware specifications:

  1. Input signal: standard TTL pulses.
  2. 16 SMA connectors
  3. One USB connector.
  4. Easy to use software for Win32 libraries included.  Win64 DLL available on request.

Correlator specifications:  

Burst mode:

  1.  Minimum sample time: 100 ns

  2. 16 correlation functions simultaneously

  3.  Total number of correlation function points: 136 x 16

  4.  Sample times:   First 16 channels : 100ns;  next 8 channels: 2x100ns; Sample times double every 8 channels;  Total of 15 segment

  5.  Delay times: from 100 ns to 104.8 ms.

  6.  Shift register width:  in the order of the segments  3,4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,15.

  7. Minimum integration time: 6.5536ms.  Maximum integration time : 26 seconds

Continuous mode:

  1.  Minimum sample time: 100 ns

  2. 16 auto correlation functions. 

  3.  Total number of correlation function points: 256 x 16

  4.  Sample times:   First 16 channels : 100ns;  next 8 channels: 2x100ns; Sample times double every 8 channels;  Total of 32 segment

  5.  Delay times: from 100 ns to 57 minutes .

  6.  Shift register width:  in the order of the segments  3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,15, 32, 32, ...32.

  7. Minimum integration time: about 1s.  Maximum integration time : no limit

Contact us for customized 16 channel operations.  Optional capability includes cross correlation, raw photon history recording, fast mode.

More about multiple tau theory.

Multiple tau theory was invented by Klaus Schätzel.  The following papers discuss the theory and the advantage of the multiple tau scheme.

  1. Klaus Schätzel. Single Photon Correlation Techniques. Dynamic Light Scattering: The method and some applications, Edit by Wyn Brown, Clarendon Press, Oxford, P 76, 1993.
  2. Klaus Schätzel et.  Noise on Multiple-Tau Photon Correlation Data.   SPIE Vol. 1430, P109, Photon Correlation Spectroscopy: Multicomponent Systems, 1991.
  3. Klaus Schätzel. New Concept in Correlator Design. Inst. Phys. Conf. Ser. No. 77, P175, 1985.
  4. Klaus Schätzel et.  Photon Correlation Measurements at Large Lag Times.  Journal of Modern Optics, Vol. 35, No. 4, P711, 1988.
 

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Last modified: July 01, 2011