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Light Sheets |
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 Light sheet optics series for mini Nd:YAG lasers
The mini Nd:YAG light-sheet optics series can be used for PIV, planar laser-induced fluorescence and flow visualisation studies. The light sheets uses mini Nd:YAG lasers as light-sources. These lasers have small, compact optical heads and can therefore be moved around and positioned very easily.
The energies available range from 12 to 120 mJ per pulse, making the new light sources particularly useful for PIV studies of water flows and relatively small areas of air flow. The dimensions of the light-sheet can be redefined by re-focusing the light-sheet thickness adjusters as well as by interchanging different modules in the series.
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 Modular light sheet optics series for high power Nd:YAG lasers
Dantec Dynamics' series of light-sheet optics can be used together with high-power Nd:YAG lasers. One of the advantages of the new optics is its high degree of modularity. The optics produces a light-sheet with fixed or adjustable thickness, enabling the user to generate light-sheets for almost any flow illumination application.
Applications include:
• High-energy laser sheets
• Thin light-sheets for 2D PIV
• Thick light-sheets for 3D PIV
• Flow visualisation
• Planar Laser-Induced Fluorescence
The light-sheet optics has a large aperture and handles beam diameters of up to 12 mm from high-energy pulsed laser beams at 100-500 mJ. This high laser power is often required in the study of large-area airflows. The large aperture has been especially developed for 3D PIV applications, for which thick light-sheets are often required. The light-sheet optics series (80X70) is compatible with Dantec Dynamics's flexible light guide arm (80X11) and mini Nd:YAG laser adapter.
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 Short mirror arm for mini Nd:YAG lasersDantec Dynamics' short mirror arm can be combined with a mini-Nd:YAG laser. It is equipped with miniature light-sheet optics, making it compact and easy to use. Applications include particle image velocimetry, planar laser-induced fluorescence and flow-visualisation studies.
The light-guide arm is particularly suitable for flow-field measurements in confined spaces where it is difficult to launch a light sheet and in experiments in which the laser must be separated from the flow rig because of vibration (e.g. combustion research)
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 High power light-guiding system for PIVThe light-guiding system is the ideal product for PIV applications requiring high pulse energy and a short interval between pulses. The alignment system offers infinite flexibility in terms of positioning.
High user-safety is built into the design - a vital consideration, due to the powerful peak pulse energy emitted by the laser light source. |
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