There was also a laser harp that could be played by visitors.

The concert featured the first use of a laser harp.

In this way any musician can easily play a laser harp, fully polyphonic.

This machine became the first portable bicolor laser harp, and it is still in production.

Playing the actual sound is usually handled by connecting the laser harp to a synthesizer, sampler or computer.

The laser harp for the Defense concert has been built by Claude Lifante.

In the second half of 2010, he also designed a ILDA full color laser harp controller.

Unframed laser harps benefit from the use of higher-power lasers, as they facilitate easier detection by the sensor system.

The laser harp is one of the most famous instruments used by Jean Michel Jarre in his concerts.

Two people claim to be the inventor of the laser harp: Geoffrey Rose and Bernard Szajner.

Jean Michel Jarre (keyboards, mixing desk, laser harp, theremin, vocals)

This style of laser harp is generally built using a single laser, splitting its beam into an array of beams in parallel or fan arrangement.

In 2008 Maurizio Carelli, an Italian software and electronic engineer, had the idea of a new portable red/green laser harp:

In the Britain's Got Talent semi-final, Greig Stewart performed this song on laser harp.

The laser harp has been popularized by Jean Michel Jarre, and has been a high profile feature of almost all his concerts since 1981.

In 2005 the first free full color ILDA laser harp controller idea and project was born on laserist board and the harpelaser.com was registered.

The characteristic sound of the laser harp in Jarre's performances is generated by a factory preset on the Elka Synthex synthesizer.

The laser harp is not a stringed instrument at all, but is a harp-shaped electronic instrument that has laser beams where harps have strings.

Recordings of the concerts, which featured one of Jarre's signature electronic instruments, the laser harp, were released as a double-disc LP in 1982.

For some events they can be made in extended forms without a frame at all, but only a long parallel rank of laser beams yet are still called laser harps.

Other smaller exhibits include: A laser harp, a gear and motion exhibit, musical pipes, kid-sized pizza kitchen, climbing wall, robot lab, sound lab, and a computer animation station.

The engineers that have created a laser harp for Jean Michel Jarre are: Denis Carnus, Philippe Guerre, Claude Lifante, Yan Terrien.

Kids love its laser harp, which has diode lasers instead of strings that youngsters touch to create synthesized music; a new exhibit is Great Splash, with a pinball machine that teaches about the water cycle.

A laser harp is an electronic musical instrument consisting of several laser beams to be blocked, in analogy with the plucking of the strings of a harp, in order to produce sounds.

The image recognition laser harp is also an unframed design, but uses a high-speed USB camera connected to a laptop computer, instead of a photodiode to detect the reflected light from the hand breaking the beam.