Libera Spark HL

Libera Spark is a compact beam position processor that offers high-precision position measurement of different beam types (electrons, protons, ions, etc.). It is optimized to work with button, stripline and shoe-box pickups. The digital signal processing (DSP) supports detailed adjustment of the processing window and position measurement in various regimes and bandwidths.

Depending on the requirements and the Libera Spark version, the data available to the user ranges from bunch-to-bunch, turn-by-turn to slow data stream.

Product Description
Papers
Tutorial
Testimonials
References

Benefits:

  • Best price/performance ratio
  • Compact and robust design
  • Power over Ethernet
  • Source code available
  • No maintenance required
  • EPICS & Tango & MATLAB ready

Interfaces:

Front panel

Back panel

Libera Spark HL Capabilities
General product codeLSHL
BPM slots1
Supported input frequency range<750 MHz
A/D conversion125 MHz/14 bit
CoolingPassive
Power supplyPoE
Timing signalsElectrical (up to 3) *
Fast data linksRJ-45
Maximum input signal*<+10 dBm *
Input gain/attenuationProgrammable, 31 dB
Temperature drift, typical<1 μm/°C
Position RMS at bunch-by-bunch data rate/
Position RMS at fast 10 kHz data rate/
Position RMS at slow 10 Hz data rate/
Position RMS at 1 MHz data rate<1 μm
DimensionsH: 1 U, W: 9.5" (rack mountable with a kit), D: 210mm

* Can be extended/customized depending on use requirements

Libera Spark HL Functionalities
Bunch-by-bunch processingNo
Real-time data streaming Optional *
Slow dataNo
Gain controlYes
Selectable processing windowYes
Processing delayYes
Multi-chassis synchronization Trigger-based
Data time stampingTrigger-counter
Interlock detection and outputOptional **
Postmortem capabilityNo
FFT/FFZ peakNo
Single-pass measurementYes
Additional Digital I/O channels and Analog outputOptional **
Closed Orbit Feedback ApplicationNo

* Requires additional module: GbE interface
** Requires additional module: DAI module

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Libera Spark HL
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Commissioning results of the new BPM electronics of the ESRF booster synchrotron* (IPAC’15, Richmond, VA, USA)

For demonstration purposes, Libera Spark can be fully controlled with a Qt Graphical User Interface. It uses a netcat utility that connects to Libera Spark via SCPI set/read commands. Check example figures and tutorial videos.

Libera Spark – ADC

Libera Spark – FFT

Libera Spark – Parameters

Libera Spark – TBTXY

Overview

Getting started with GUI

Set up the custom ADC sampling frequency

ADC data readout

Kees Scheidt
Diagnostics Head (ESRF, Grenoble)

On our Booster beam, we collected much data and features, that we could not measure or even detect before.

Engineering Executive
NDA locked

The prototyping and development Instrumentation Technologies has provided for our team has been exceptional.

Libera Spark HL is used at the following labs:

  • CLEAN – Laboratori Nazionali di Frascati dell’INFN, Italy
  • CSNS – Institute of High Energy Physics (IHEP), China
  • J-PARC – The High Energy Accelerator Research Organization-KEK, Japan
  • KOMAC – Korea Atomic Energy Research Institute (KAERI), South Korea
  • SSC-Linac, Haerbin – Institute of Modern Physics Chinese Academy of Sciences (IMP-CAS), China

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