PL
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Laboratory

1. Spectroscopic and ablation studies

The experimental apparatus is used to produce nanostructures and modify them. The system consists of two vacuum chambers and a laser with an optical system.
In the first chamber structures of any solid material can be made. It is evaporated by laser ablation by Nd: YAG pulsed laser of wavelength 266 nm (fourth harmonic).

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Optical system used in PLD and PLA techniques as well as vacuum chamber

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2. Non-destructive analysis

Stands for non-destructive analysis and laser restoration of artworks:

1. Elemental and/or compound analysis

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XRF spectrometer

The portable XRF spectrometer enables non-invasive and non-contact determination of the elemental composition of materials and objects.

2. Laser cleaning

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  • Laser cleaning stand Laserblast 500 with pulsed Nd:YAG 20 W laser
  • Laser cleaning stand Laserblast 1000 with pulsed Nd:YAG 40 W laser

The laser cleaning systems LaserBlasts are movable and can be used in museum, in open area (on site), also on scaffolds.

3. Digitizing, 3D scanning

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Laser 3D scanner Konica Minolta VI-9i

3D digitizer enables non-contact, digital documentation for reconstruction, virtual presentation, reverse engineering etc.

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3. Applying a protective coating

Experimental workstation for deposition of protective coatings and fast prototyping by laser cladding

The stand consists of:

  • the technological CO2 laser MLT 2500 with numerically controlled XY-manipulator and Z-axis feeding control system equipped with infrared pyrometer detector,
  • 3-stream water-cooled nozzle integrated into the laser head, which assures homogenous flow of metal powder, co-axial with the focusing optics. Two additional gas streams serve for shielding of the focusing lens and prevent the production of oxides and contaminations while processing.

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4. Other lab equipment

  • several cw and pulsed laser sources (e.g. 266, 355, 532, 1064, 10600 nm, dye) some equipped with fixed optical trains and manipulators (CNC)
  • experimental set-ups for detection, analysis and visualisation of signals in the X-ray, UV-VIS-NIR-IR spectral domain
  • spectrographs
  • optical instruments and signal storage/processing devices (e.g. optical, CCD, ICCD cameras, IR sensors)
  • real-time imaging interferometer
  • fast pyrometer system for heat source sensing
  • vacuum (10-7 mbar) + cryogenic equipment (10 K)
  • PC-based network for remote data acquisition, processing and storage
  • laser beam diagnostic system for high power cw CO2 lasers »
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