Witold Chalupczak

Witold Chalupczak is a Senior Scientist in the Atomic clocks and Sensors group in the Time and Frequency Department. He joined NPL in 2001 following his appointment in a Fulbright Fellowship position at University of Rochester, NY. He undertook his undergraduate and postgraduate studies at Jagellonian University, Cracow.

Witold’s research expertise is fundamental and applied aspects on atomic physics.

Areas of interests

• Fundamental aspects of atomic physics
• Implementation of atomic sensors in inductive measurements
• Portable atomic sensors

Recent publications:

• Spin-noise spectroscopy of a noise-squeezed atomic state
  V. Guarrera, R. Gartman, G. Bevilacqua, and W. Chalupczak,
  Phys. Rev. Res. 3, L032015, 2021.
• Inductive Imaging of the Concealed Defects with Radio-Frequency Atomic Magnetometers
  P. Bevington, R. Gartman, W. Chalupczak
  Appl. Sci. 10, 6871, 2020.
• Dual-frequency cesium spin maser
  P. Bevington, R. Gartman, Y. Stadnik, W. Chalupczak,
  Phys. Rev. A 102, 032804, 2020.
• Role of the probe beam in a radio-frequency atomic magnetometer
  P. Bevington, J. Rajroop, R. Gartman, W. Chalupczak,
  Appl. Opt. 59, 6054, 2020.
• Object surveillance with radio-frequency atomic magnetometers
  P. Bevington, R. Gartman, D. J. Botelho, R. Crawford, M. Packer, T. M. Fromhold, and W. Chalupczak,
  Rev. Sci. Instrum. 91, 055002 2020.

Email Witold Chalupczak