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Magnetic imaging with nitrogen-vacancy centers in diamond, also known as quantum diamond microscopy, has emerged as a useful technique for the spatial mapping of charge currents in solid-state devices. In this work, we investigate an…

In this paper, we propose a non-invasive imaging method of microwave near field using a diamond containing nitrogen-vacancy centers. We applied synchronous pulsed sequence combined with charge coupled device camera to measure the amplitude…

Instrumentation and Detectors · Physics 2018-05-23 Bo Yang , Guanxiang Du , Yue Dong , Guoquan Liu , Zhenzhong Hu , Yongjin Wang

We demonstrate a method of imaging spatially varying magnetic fields using a thin layer of nitrogen-vacancy (NV) centers at the surface of a diamond chip. Fluorescence emitted by the two-dimensional NV ensemble is detected by a CCD array,…

Mesoscale and Nanoscale Physics · Physics 2012-07-16 L. M. Pham , D. Le Sage , P. L. Stanwix , T. K. Yeung , D. Glenn , A. Trifonov , P. Cappellaro , P. R. Hemmer , M. D. Lukin , H. Park , A. Yacoby , R. L. Walsworth

Non-invasive imaging of microwave (MW) magnetic fields with microscale lateral resolution is pivotal for various applications, such as MW technologies and integrated circuit failure analysis. Diamond nitrogen-vacancy (NV) center…

Imaging of microwave magnetic fields with nano-scale resolution has interesting applications. Specifically, detecting the orientation of the microwave fields is useful in condensed matter physics and quantum control. However, most of the…

Quantum Physics · Physics 2026-01-13 Akshat Rana , Pooja Lamba , Atanu Ghosh , Siddharth Dhomkar , Rama K. Kamineni

We provide an overview of the experimental techniques, measurement modalities, and diverse applications of the Quantum Diamond Microscope (QDM). The QDM employs a dense layer of fluorescent nitrogen-vacancy (NV) color centers near the…

The isolated electronic spin system of the Nitrogen-Vacancy (NV) centre in diamond offers unique possibilities to be employed as a nanoscale sensor for detection and imaging of weak magnetic fields. Magnetic imaging with nanometric…

Mesoscale and Nanoscale Physics · Physics 2014-08-19 L. Rondin , J. -P. Tetienne , T. Hingant , J. -F. Roch , P. Maletinsky , V. Jacques

We give instructions for the construction and operation of a simple apparatus for performing optically detected magnetic resonance measurements on diamond samples containing high concentrations of nitrogen-vacancy (NV) centers. Each NV…

Mesoscale and Nanoscale Physics · Physics 2018-03-14 Haimei Zhang , Carina Belvin , Wanyi Li , Jennifer Wang , Julia Wainwright , Robbie Berg , Joshua Bridger

Optically-detected magnetic resonance using Nitrogen Vacancy (NV) color centres in diamond is a leading modality for nanoscale magnetic field imaging, as it provides single electron spin sensitivity, three-dimensional resolution better than…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 K. Arai , C. Belthangady , H. Zhang , N. Bar-Gill , S. J. DeVience , P. Cappellaro , A. Yacoby , R. L. Walsworth

Imaging the fields of magnetic materials provides crucial insight into the physical and chemical processes surrounding magnetism, and has been a key ingredient in the spectacular development of magnetic data storage. Existing approaches…

Nitrogen-vacancy (NV) centers in diamond are a leading modality for magnetic sensing and imaging under ambient conditions. However, these sensors suffer from degraded performance due to paramagnetic impurities and regions of stress in the…

Quantum Physics · Physics 2024-04-22 Connor Roncaioli , Connor Hart , Ronald Walsworth , Donald P. Fahey

Planar scanning probe microscopy is a recently emerging alternative approach to tip-based scanning probe imaging. It can scan an extended planar sensor, such as a polished bulk diamond doped with magnetic-field-sensitive nitrogen-vacancy…

Nitrogen vacancy (NV) color centers in diamond have emerged as highly versatile optical emitters that exhibit room temperature spin properties. These characteristics make NV centers ideal for magnetometry, which plays an important role in…

Quantum Physics · Physics 2017-07-26 Kangmook Lim , Chad Ropp , Benjamin Shapiro , Jacob M. Taylor , Edo Waks

Widefield quantum microscopy based on nitrogen-vacancy (NV) centres in diamond has emerged as a powerful technique for quantitative mapping of magnetic fields with a sub-micron resolution. However, the accuracy of the technique has not been…

The nitrogen vacancy (NV) center in diamond is an increasingly popular quantum sensor for microscopy of electrical current, magnetization, and spins. However, efficient NV-sample integration with a robust, high-quality interface remains an…

We propose an original analog method to perform instantaneous and quantitative spectral analysis of microwave signals. An ensemble of nitrogen-vacancy (NV) centers held in a diamond plate is pumped by a 532 nm laser. Its photoluminescence…

Materials Science · Physics 2016-01-20 M. Chipaux , L. Toraille , C. Larat , L. Morvan , S. Pezzagna , J. Meijer , T. Debuisschert

Nitrogen vacancy (NV) color centers in diamond are a leading modality for both superresolution optical imaging and nanoscale magnetic field sensing. In this work, we solve the remaining key challenge of performing optical magnetic imaging…

Diamond containing the negatively charged nitrogen-vacancy (NV) center is emerging as a significant new system for magnetometry. However, most NV sensors require microscopes to collect the fluorescence signals and are therefore limited to…

Studies of individual quantum systems, which have led to considerable progress in our understanding of quantum physics, have traditionally been associated with atomic gases. In the last decades however, the emphasis has shifted towards…

Materials Science · Physics 2020-11-26 J. -P. Tetienne , L. P. McGuinness , V. Jacques

Remanent magnetization in geological samples may record the past intensity and direction of planetary magnetic fields. Traditionally, this magnetization is analyzed through measurements of the net magnetic moment of bulk millimeter to…