Laser Diode Provides Light for Swedish 3D Camera

A new, high-power fast laser diode from Osram Opto Semiconductors is providing light for the new 3D camera from Swedish manufacturer Fotonic. The component, which facilitates the range finding of moving objects with good depth resolution at high-speed video rates, has been developed specifically for 3D cameras such as the Fontonic C70. The laser diode provides optical power of approximately 0.5W, even when in continuous wave operation.

With a wavelength of about 845nm, the light is barely visible to the human eye but is well within the sensitivity range of the camera chip. The sturdy metal package of the component ensures reliable operation in industrial applications. Fotonic's C70 three-dimensional camera superimposes a two-dimensional picture with information on the range and surface profile of an object. Industrial applications for this type of system include gauging of fluid levels, grading of objects according to size or shape and obtaining reliable stereoscopic information for control of robot arms.

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