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DESCRIPTION:Abstract\n\nNitrogen-vacancy (NV) centers in diamond offer an o
 ptical route to magnetic sensing for nondestructive inspection. Drawing on
  our recent review of quantum magnetometers for infrastructure monitoring\
 , this talk connects the origin of magnetic signatures in metallic structu
 res with the requirements of the sensing head and readout.\n\nWe present p
 reliminary FIU measurements of field-dependent photoluminescence\, spatial
  optical contrast around metal cutouts\, and an initial microwave-frequenc
 y-dependent fluorescence feature. The results motivate further investigati
 on while emphasizing the need to separate magnetic response from optical a
 lignment\, illumination\, and specimen-geometry effects.\n\nWe then discus
 s packaging priorities: stable excitation and collection\, controlled sens
 or-to-sample distance\, position tracking\, and environmental logging. The
  talk concludes with a validation path based on repeatability\, intact ref
 erence specimens\, known defect geometries\, and comparison with conventio
 nal sensing in the same measurement arrangement.\n\nSpeaker Bio\n\nAleksan
 dr (Alex) Krasnok is an Assistant Professor in the Department of Electrica
 l & Computer Engineering at Florida International University (FIU) with a 
 courtesy appointment in the Knight Foundation School of Computing and Info
 rmation Sciences (KFSCIS).\n\nHe directs the Quantum Technology & Metamate
 rials (QTM) Laboratory. His group studies and engineers light–matter int
 eractions from radio frequencies to the optical domain\, with emphases on 
 complex-frequency electrodynamics\, quantum photonics and interfaces\, err
 or-resilient quantum control\, and metasurfaces & sensing—bridging funda
 mental physics to deployable devices for sensing\, communication\, and com
 putation.\n\nWebinar ID: 2330 525 3537\nPassword: N3eJKhfTF86\n\nVirtual: 
 https://events.vtools.ieee.org/m/585473
LOCATION:Virtual: https://events.vtools.ieee.org/m/585473
ORGANIZER:mohammed@fiu.edu
SEQUENCE:12
SUMMARY:NV-Center Magnetometry for Infrastructure Inspection: Metal Loss\, 
 Defect Contrast\, and Practical Readout
URL;VALUE=URI:https://events.vtools.ieee.org/m/585473
X-ALT-DESC:Description: <br /><h2><img src="https://events.vtools.ieee.org/
 vtools_ui/media/display/583ea45d-26d1-4f33-a9b7-10bdd28e0c40" width="1015"
  height="1462">Abstract&nbsp\;</h2>\n<p>Nitrogen-vacancy (NV) centers in d
 iamond offer an optical route to magnetic sensing for nondestructive inspe
 ction. Drawing on our recent review of quantum magnetometers for infrastru
 cture monitoring\, this talk connects the origin of magnetic signatures in
  metallic structures with the requirements of the sensing head and readout
 .</p>\n<p>We present preliminary FIU measurements of field-dependent photo
 luminescence\, spatial optical contrast around metal cutouts\, and an init
 ial microwave-frequency-dependent fluorescence feature. The results motiva
 te further investigation while emphasizing the need to separate magnetic r
 esponse from optical alignment\, illumination\, and specimen-geometry effe
 cts.</p>\n<p>We then discuss packaging priorities: stable excitation and c
 ollection\, controlled sensor-to-sample distance\, position tracking\, and
  environmental logging. The talk concludes with a validation path based on
  repeatability\, intact reference specimens\, known defect geometries\, an
 d comparison with conventional sensing in the same measurement arrangement
 .</p>\n<h2>Speaker Bio</h2>\n<p>Aleksandr (Alex) Krasnok is an Assistant P
 rofessor in the Department of Electrical &amp\; Computer Engineering at Fl
 orida International University (FIU) with a courtesy appointment in the Kn
 ight Foundation School of Computing and Information Sciences (KFSCIS).</p>
 \n<p>He directs the Quantum Technology &amp\; Metamaterials (QTM) Laborato
 ry. His group studies and engineers light&ndash\;matter interactions from 
 radio frequencies to the optical domain\, with emphases on complex-frequen
 cy electrodynamics\, quantum photonics and interfaces\, error-resilient qu
 antum control\, and metasurfaces &amp\; sensing&mdash\;bridging fundamenta
 l physics to deployable devices for sensing\, communication\, and computat
 ion.<br><br>Webinar ID: 2330 525 3537<br>Password: N3eJKhfTF86</p>
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