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Come Effettuare Misure DLTS con lo MFIA

18.03.2021

Voltage and Capacitance in Plotter

Questo articolo illustra come produrre un'onda quadra in tensione ed acquisire i conseguenti transitori di capacità, in una scala temporale molto corta (ad esempio 20 us), per effettuare misure di tipo "deep level transient spectroscopy" (DLTS). DLTS è una tecnica potente e comunemente usata per investigare sia la concentrazione che...

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Practical Active Qubit Reset

05.03.2021

Active Qubit Reset Setup

When working with qubits, it’s essential to have a reliable state preparation. The easiest method for superconducting qubits is to passively wait for the qubit to decay into its ground state, but it’s slow and has poor fidelity. Active qubit reset decreases considerably the initialization time, while greatly increasing the...

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Probing Local Magnetic Field Patterns - Q&A

26.02.2021

Probing Local Magentic Field Patterns

For this webinar we teamed up with Prof. Martino Poggio , whose work focuses on understanding the physics of materials and phenomena that is strongly dependent on the local conditions, be it by impurities or through the design through local probing of magnetic fields coming from currents and magnetization. Several...

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Content Review – Lock-in Detection

15.02.2021

Lock-in Tab

Test and measurement tasks often carry the challenge that sought for signals are buried in noise. The fundamental use of a lock-in amplifier is to recover these signals, but modern digital lock-in amplifiers can do much more than this. To help you take full advantage of the capabilities of your...

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Automating IQ Mixer Calibration on the HDIQ

03.02.2021

LO Leakage

As a crucial step in the bring-up of superconducting experiments, IQ mixer calibration normally requires multiple instruments from different parties and manual cabling work. This blog post describes how to use the Zurich Instruments HDIQ, HDAWG and UHFQA (or other UHF instruments) to automate IQ mixer calibration and: Simplify the...

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Fast Frequency Sweeps for Impedance Measurements

19.01.2021

Sweeper Trace

When characterizing a device or material as a function of frequency, the resulting spectrum may change with time as the environment or material itself evolves. This time evolution can be captured by taking sequential frequency sweeps with the LabOne Sweeper module on the MFIA or the MFLI. Each sweep requires...

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Compensating Cables for Accurate Impedance Measurements

19.01.2021

MFITF attached to MFIA

Measuring impedance accurately can be a challenge, especially when the device or material under test is located some distance away from the impedance analyzer at the end of cables. The phase delay and parasitic impedance of the cables can significantly reduce the accuracy of a measurement. This blog post seeks...

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Proximity Sensors – Inductive or Capacitive?

07.01.2021

Proximity Measurement

A proximity sensor is a sensor that detects nearby objects without physical contact [1]. They are commonly used, in applications ranging from production lines to modern mobile devices, mainly thanks to their non-contact configuration and the accompanying long lifetime. The working principle is simple...

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