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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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Sensing Finger Movements with Impedance Measurements

19.01.2021

Fingers

Smart clothes, wearables and biosensors do not sound as futuristic as they used to. The development in this field of science and engineering is rapid and it is no longer a niche – as seen in the first or even second generation of such products hitting the market. Although there...

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임피던스 측정을 위한 빠른 주파수 스위프

19.01.2021

Sweeper Trace

장치나 재료를 주파수의 함수로 특성을 측정 할 때, 시간이 지남에 따라 환경이나 재료 자체가 변화하여 결과 스펙트럼도 변할 수 있습니다. 이 시간에 따른 변화는 MFIA 또는 MFLI의 LabOne Sweeper 모듈로 순차적 주파수 스위프를 수행하여 캡처)할 수 있습니다. 각 스위프에는 포인트당 20ms가 필요하므로 일반적인 500포인트 스위프에는 최소 10초가 필요합니다. 이것은 샘플의...

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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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The Next Generation of Quantum Analyzers – SHFQA Launch Event

01.12.2020

SHFQA Launch Event

On September 1, we launched the second generation of our readout analyzers for superconducting and spin qubits - the SHFQA Quantum Analyzer. On November 17, we dedicated an hour-long event to provide you with the latest insights into the instrument, demonstrate key features and answer your questions. If you missed...

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Function Generation Via Auxiliary Outputs on Your Instruments

26.11.2020

Function Generation

Introduction Quite often one wants to generate an electrical waveform to assist his or her lock-in or impedance measurements. Such a function can be generated by a dedicated function generator, but ideally should be produced by the same instrument, not only to save lab space but also to minimize the...

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