The CryoPulse measurement platform: high B/T material properties testing


The CryoPulse system consist of 4 basic parts:


1. Standard CDM-M capacitor discharge power supply

Energy: Depends on bore size and max field Ranges from tipically 32kJ - 1+ MJ Voltage 3 kV, PLC controllers with graphical display Readout of setpoints, voltages Optional provision for experiments at different dB/dt ratios

2. Pulsed Field Magnet coil

Max fields of up to 50T Optimized for maximum field, extended pulse duration or optimum field homogeneity Typical free bore ranging from 10 mm up to 50 mm, depending on field, energy and experiment Liquid nitrogen cooling required, thus reducing the need for He4. Magnet mount for anti-vibration

3. Data acquisition unit

PC with high speed multifunction DAQ card typical measurement channels: field, time, sample excitation, sample response Background compensation electrically safe connection to the user PC Visual Basic software for data acquisition and visualisation

4. Cryogenic measurement environment

Liquid N2 dewar Magnet support incl. vibration isolation between magnet and cryostat He4 cryostat, suitable for liquid He4 as well as temperature control through He4 gas flow Temperature control via needle valve/heater system, incl. PID control unit Silicon diode temperature sensor Exchangeable cold finger Top-loading cryogenic environment

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