Qiang Guo

ORCID: 0000-0003-0195-5565
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About
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Research Areas
  • Atomic and Subatomic Physics Research
  • Diamond and Carbon-based Materials Research
  • Magnetic confinement fusion research
  • Fusion materials and technologies
  • Advanced Fiber Laser Technologies
  • High-pressure geophysics and materials
  • Particle accelerators and beam dynamics
  • Advanced MRI Techniques and Applications
  • Quasicrystal Structures and Properties
  • Cold Atom Physics and Bose-Einstein Condensates
  • Optical Wireless Communication Technologies
  • Laser-Matter Interactions and Applications
  • Quantum optics and atomic interactions
  • Laser Design and Applications
  • Ocular Surface and Contact Lens
  • Crystal Structures and Properties
  • Laser Applications in Dentistry and Medicine
  • Particle Accelerators and Free-Electron Lasers
  • Laser-Plasma Interactions and Diagnostics

Zhejiang Lab
2022-2023

Chinese Academy of Sciences
2010-2022

Anhui Institute of Optics and Fine Mechanics
2022

Institute of Plasma Physics
1994-2010

The vapor cell is a critical component of atomic magnetometers, requiring heating to achieve high and uniform alkali metal density. In practical applications, magnetic field noise generated by electrical typically mitigated increasing the current frequency. However, further enhance performance, both frequency waveform cur rent can also impact magnetometer sensitivity. This paper investigates influence electric parameters on sensitivity in de tail. We present theoretical analysis spin...

10.2139/ssrn.5090523 preprint EN 2025-01-01

The determination of nitrogen-vacancy centers plays an important role in quantum information sensing. Efficiently and rapidly determining the orientation multiple center s a low-concentration diamond is challenging due to its size. Here, we solve this scientific problem by using azimuthally polarized beam array as incident beam. In paper, optical pen used modulate position excite distinctive fluorescence characterizing different orientations centers. result that low concentration layer, NV...

10.1364/oe.483191 article EN cc-by Optics Express 2023-02-13

Theoretical beam intensity distribution is derived for the neutral-beam-injection ion source with a multi-slot extraction in EAST. The profile, both along and perpendicular to injecting direction power deposition inner elements neutral injector (NBI) are evaluated. results indicate that transverse much higher than longitudinal one. This study could provide information design of vacuum system, structure cooling system

10.1088/1009-0630/13/4/22 article EN Plasma Science and Technology 2011-08-01

The number density of alkali atoms in vaper cell is an important parameter for atomic magnetometer. vapor usually heated to a high temperature the exceed 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">18</sup> m xmlns:xlink="http://www.w3.org/1999/xlink">−3</sup> achieve spin-exchange-relaxation-free (SERF) process. optical rotation multichannel magnetometers affected by distribution. We present effective method monitoring and analyzing...

10.1109/jsen.2022.3146415 article EN IEEE Sensors Journal 2022-01-27

Nitrogen-vacancy (NV) centers in diamonds play a large role advanced quantum sensing with solid-state spins for potential miniaturized and portable application scenarios. With the temperature sensitivity of NV centers, fluctuations caused by unknown environment system itself will mix magnetic field measurement. In this research, temperature-sensitive characteristics different diamonds, alongside noise generated measurement system, were tested analyzed homemade magnetometer fiber-optic...

10.3390/s22145218 article EN cc-by Sensors 2022-07-12

In order to realize the visible, integrated, and intelligent control requirements of optimal pulsed light, an light system for dry eye treatment was designed based on ARM. The adopts double-layer structure Android development platform + STM32 micro-controller, which realizes isolation human-computer interaction component control, enhances application expansion function system. Relying PWM signal generated by high-speed clock integrated output voltage can be continuously adjusted from 200...

10.1117/12.2648268 article EN 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022) 2022-10-14

Abstract Crystal axes must be distinguished in vector magnetic measurements of ensemble nitrogen‐vacancy (NV) centers diamonds. However, achieving crystal distinction confocal systems without a bias field is challenging. Thus, controlled polarized optical excitation method to overcome this problem proposed. The polarization angle the beam can adjusted free space using an pen for higher controllable degrees freedom. Compared previous methods, proposed improves maximum suppression by 19.2% and...

10.1002/qute.202300122 article EN Advanced Quantum Technologies 2023-09-22
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