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Gas sensors laboratory PDF Print E-mail

Staff:

Ing. Pavol Durina, PhD
RNDr. Tomas Plecenik, PhD
Prof. RNDr. Andrej Plecenik, DrSc.

PhD students:
Mgr. Ondrej Krško


Rooms
: F2-234

Equipment:

  • Gas sensing apparatus.
  • DC magnetron sputtering 
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Gas sensor measuring system
Gas sensor measuring chamber with heating element
Dynamic response of TiO2 gas sensor
Dynamic response of TiO2 gas sensor






Laboratory of Plasma Technologies PDF Print E-mail

Laboratory of Plasma Technologies

Personel: 
 Miroslav Zahoran

Equipment:

Plasma implantation set-up

Plasma-chemical ion-reactive etching set-up

Laboratory of Cavity-Ring-Down Spectroscopy PDF Print E-mail

Laboratory of Cavity-Ring-Down Spectroscopy

Personel: 
 Peter Macko
 Tomáš Földes
 Pavel Veis 

 

Highly sensitive laser absorption method of Cavity-Ring-Down Spectroscopy.

method based on the cavity loss measurements

Possibility to measure extremely low particle densities of:

  • toxic gas traces in atmosphere
  • atomic and molecular radicals in plasma
  • metastable states in plasma

Sources in Bratislava:

  • laser diode at 630 nm
  • laser DFB diode in NIR range (λ = 1.48 - 1.63 µm)

Laboratory of Vacuum Ultraviolet Spectroscopy PDF Print E-mail

Laboratory of Vacuum Ultraviolet Spectroscopy

Personel: 
 Pavel Veis
 Juraj Jašík

Equipment:

Vacuum ultraviolet spectrometer:

  • wavelength range λ = 100 - 400 nm
  • Seya-Namioka mounting
  • concave holografic diffraction grating 1200 gr/mm, constant-deviance angle 64°, f = 200 mm
  • detector: sodium salicylate scintilator  + conventional photomultiplier

Laboratory of Optical Emission Spectroscopy PDF Print E-mail

Laboratory of Optical Emission Spectroscopy

Personel: 
 Pavel Veis
 Peter Macko
 Viktor Foltin
 Juraj Jašík
 Jaroslav Krištof
 Tomáš Földes 
 Michal Guláš
 Peter Čermák
 Anna Kiliánová

Equipment:

  • Prism and grating spectrometers with focal distances f = 500 mm
  • Detectors: cooled CCD camera, photomultipliers - photon-counting system

Experiments:

  • optical emission spectroscopy in ultraviolet, visible and near-infrared range
  • time-resolved atomic radicals density measurements using optical emission actinometry
  • radicals and metastables radiative life-time
  • collisional quenching coefficients
  • vibrational distributions, rotational distributions of electronic-excited molecular states
  • di-atomic molecules spectra calculations

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