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FEATURE LIGHT SHOWS Along with lunch-boxes,

he’s built lasers into vintage slide projectors, old stage lighting, and 1930s Electrolux vacuum cleaners

‘The gallery is fairly dark so I didn’t need

very bright lasers,’ he said. He used 700mW red diodes, 150mW greens, and 600mW blue laser diodes. Gould creates many of his effects, including

an effect called lumia, which is a whispy pattern, by shining laser light through textured glass. He experiments with various different types of glass, cutting out makeshift lenses and mounting them onto motors (on custom-built circuit boards) to move through the light. ‘The trick with lumia is, you want it [the glass] to go as slow as possible,’ he said.

Gould also experiments with the housings of his laser projectors – along with lunch-boxes, he’s built lasers into vintage slide projectors, old stage lighting, and 1930s Electrolux

The Light Art Project showcased the latest LED lighting technology at the newly renovated Vorarlberg Museum in Bregenz, Austria

simple recessed spotlight and a suspended version with five integrated spots – enable accent lighting of the exhibits. Above all, they boast very high colour rendering (Ra > 90) and excellent lighting quality. This combination is also used in the show depot where special objects are presented behind glass panels. Here, the luminaires are mounted on Tecton trunking. Tecton is a continuous-row lighting system which, thanks to its built-in

11-pole current conducting section, connects the luminaires with all functions such as power supply or lighting control. This allows for flexible mounting positions and reduces costs for both installation and maintenance. Thus, additional luminaires can be added to the Tecton trunking for special exhibitions. For illumination of the foyer, Zumtobel relied on a combination of custom-made LED downlights,

LED spotlights, HIT downlights and halogen spotlights. In the next room, the light-flooded atrium, daylight is enhanced by soft indirect lighting provided by minimalist Arcos spotlights. In the museum café, Zumtobel added a lighting installation consisting of some 30 halogen luminaires with fabric shades providing cosy light that entices guests to stay for a while. In the administrative area, mainly luminaires with fluorescent

lamps are used. Thus, the Freeline luminaire achieves perfect lighting conditions in the offices, thanks to its uniform light distribution. In the rooms where events are to be held, special lighting systems fitted with fluorescent lamps and halogen lamps provide both pinpoint and linear lighting. For the staircase of the new building, Zumtobel has developed another LED downlight, taking into account the sloped ceiling. In the staircase of the old building, the challenge was to follow the contours of the historic window arches and produce an appropriate light distribution. Luger Research, which organised the LpS show, is planning another Light Art Project as part of LpS 2014, which will take place from 30 September to 2 October in Bregenz, Austria. |




Zumtobel and Luger Research

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