Absolute charge calibration of scintillating screens for relativistic electron detection

A. Buck; K. Zeil; A. Popp; K. Schmid; A. Jochmann; S. D. Kraft; B. Hidding; T. Kudyakov; C. M.S. Sears; L. Veisz; S. Karsch; J. Pawelke; R. Sauerbrey; T. Cowan; F. Krausz; U. Schramm

doi:10.1063/1.3310275

Absolute charge calibration of scintillating screens for relativistic electron detection

A. Buck^*, K. Zeil, A. Popp, K. Schmid, A. Jochmann, S. D. Kraft, B. Hidding, T. Kudyakov, C. M.S. Sears, L. Veisz, S. Karsch, J. Pawelke, R. Sauerbrey, T. Cowan, F. Krausz, U. Schramm

^*Corresponding author for this work

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Abstract

We report on new charge calibrations and linearity tests with high-dynamic range for eight different scintillating screens typically used for the detection of relativistic electrons from laser-plasma based acceleration schemes. The absolute charge calibration was done with picosecond electron bunches at the ELBE linear accelerator in Dresden. The lower detection limit in our setup for the most sensitive scintillating screen (KODAK Biomax MS) was 10 fC/ mm ². The screens showed a linear photon-to-charge dependency over several orders of magnitude. An onset of saturation effects starting around 10-100 pC/ mm² was found for some of the screens. Additionally, a constant light source was employed as a luminosity reference to simplify the transfer of a one-time absolute calibration to different experimental setups.

Original language	English
Article number	033301
Number of pages	6
Journal	Review of Scientific Instruments
Volume	81
Issue number	3
DOIs	https://doi.org/10.1063/1.3310275
Publication status	Published - 14 Apr 2010

Keywords

charge calibrations
picosecond electron bunches
laser wakefield acceleration
LWFA
relativistic electron detection

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Buck-etal-RSI-2010-Absolute-charge-calibration-of-scintillating-screens-for-relativistic-electron-detectionFinal published version, 375 KB

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Buck, A., Zeil, K., Popp, A., Schmid, K., Jochmann, A., Kraft, S. D., Hidding, B., Kudyakov, T., Sears, C. M. S., Veisz, L., Karsch, S., Pawelke, J., Sauerbrey, R., Cowan, T., Krausz, F., & Schramm, U. (2010). Absolute charge calibration of scintillating screens for relativistic electron detection. Review of Scientific Instruments, 81(3), Article 033301. https://doi.org/10.1063/1.3310275

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abstract = "We report on new charge calibrations and linearity tests with high-dynamic range for eight different scintillating screens typically used for the detection of relativistic electrons from laser-plasma based acceleration schemes. The absolute charge calibration was done with picosecond electron bunches at the ELBE linear accelerator in Dresden. The lower detection limit in our setup for the most sensitive scintillating screen (KODAK Biomax MS) was 10 fC/ mm 2. The screens showed a linear photon-to-charge dependency over several orders of magnitude. An onset of saturation effects starting around 10-100 pC/ mm2 was found for some of the screens. Additionally, a constant light source was employed as a luminosity reference to simplify the transfer of a one-time absolute calibration to different experimental setups.",

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T1 - Absolute charge calibration of scintillating screens for relativistic electron detection

AU - Buck, A.

AU - Zeil, K.

AU - Popp, A.

AU - Schmid, K.

AU - Jochmann, A.

AU - Kraft, S. D.

AU - Hidding, B.

AU - Kudyakov, T.

AU - Sears, C. M.S.

AU - Veisz, L.

AU - Karsch, S.

AU - Pawelke, J.

AU - Sauerbrey, R.

AU - Cowan, T.

AU - Krausz, F.

AU - Schramm, U.

PY - 2010/4/14

Y1 - 2010/4/14

N2 - We report on new charge calibrations and linearity tests with high-dynamic range for eight different scintillating screens typically used for the detection of relativistic electrons from laser-plasma based acceleration schemes. The absolute charge calibration was done with picosecond electron bunches at the ELBE linear accelerator in Dresden. The lower detection limit in our setup for the most sensitive scintillating screen (KODAK Biomax MS) was 10 fC/ mm 2. The screens showed a linear photon-to-charge dependency over several orders of magnitude. An onset of saturation effects starting around 10-100 pC/ mm2 was found for some of the screens. Additionally, a constant light source was employed as a luminosity reference to simplify the transfer of a one-time absolute calibration to different experimental setups.

AB - We report on new charge calibrations and linearity tests with high-dynamic range for eight different scintillating screens typically used for the detection of relativistic electrons from laser-plasma based acceleration schemes. The absolute charge calibration was done with picosecond electron bunches at the ELBE linear accelerator in Dresden. The lower detection limit in our setup for the most sensitive scintillating screen (KODAK Biomax MS) was 10 fC/ mm 2. The screens showed a linear photon-to-charge dependency over several orders of magnitude. An onset of saturation effects starting around 10-100 pC/ mm2 was found for some of the screens. Additionally, a constant light source was employed as a luminosity reference to simplify the transfer of a one-time absolute calibration to different experimental setups.

KW - charge calibrations

KW - picosecond electron bunches

KW - laser wakefield acceleration

KW - LWFA

KW - relativistic electron detection

U2 - 10.1063/1.3310275

DO - 10.1063/1.3310275

M3 - Article

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SN - 0034-6748

VL - 81

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

IS - 3

M1 - 033301

ER -

Absolute charge calibration of scintillating screens for relativistic electron detection

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Keywords

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