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Home Industrial Technologies Stand for Quasi-Optical Researches SQR-110/1

Stand for Quasi-Optical Researches SQR-110/1


The Stand for quasi-optical researches SQR –110/1 (further referred to as the Stand) created in accordance with Partner project STCU P-278. It operates in short-wave part of the millimeter band of electromagnetic waves. The Stand is intended for the use as a part of electron paramagnetic resonance spectrometer (EPR) and nuclear magnetic resonance spectrometer (NMR) for scientific investigations in biology, biophysics and biochemistry. The Stand is realized on the basis of a metal- dielectric waveguide (MDW) providing extremely small loss per unit length of electromagnetic wave, quasi-optical radiomeasuring devices, and circuit elements made on the basis of MDW.

Innovative Aspect and Main Advantages

The Stand provides the following functions:

  • effective transmission power pumping of linearly polarized electromagnetic wave from signal source to measuring resonator, located in helium cryostat;
  • commutation of pumping signals sources;
  • signal frequency measurement by quasi-optical absorbing wavemeter;
  • adjustment of signal power level by means of quasioptical direct reading polarization attenuators;
  • effective transmission of reflected wave EPR signalresponse and reference signal to detector;
  • compensation of influence of generator frequency fluctuation on Stand’s performance.

Becides, the Stand’s modifications for operation with the high power generators (gyrotrons) have been created. The Stand providing effective nuclear dynamic polarization pumping when operation wave is circular polarized is being developed.

Areas of Application

The perspective fields of project development applications are: physics, radiophysics and electronics of terahertz frequency range, spectroscopy, biomedicine, as well as university educational laboratory.

The Stand SQR-110/1
The Stand SQR-110/1 is a quasioptical part of EPR-NMR spectrometer
with dynamic nuclear polarization pumping in terahertz frequency band

Stage of Development

The Stand has been developed, manufactured, and delivered to the Partner - Center for Biomolecular Magnetic Resonance (BMRZ) J.W.Goetre University (Germany, Frankfurt am Main).

Contact Details

Usikov Institute of Radiophysics and Electronics, National Academy of Sciences of Ukraine
Contact person: Dr. Sc., Head of Department, Volodymyr K. Kiselov
Address: 12, Acad. Proskury str., 61085, Kharkiv, Ukraine
Tel.: (+38 057) 720 3335
Fax: (+38 057) 315 2105
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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