The technology of 3D scanning

Only last week we had focussed on the technology of 3D scanning and the uses of the same. This time, we would concern ourselves with the working of the technology. The capabilities of the scanning device would thrill even those that are particularly careful about details.

The scanners function in various ways. However, some of the aspects may be said to be applicable throughout all types. The structured light scanners or laser triangulation are suitable for scanning over short range. In laser triangulation, laser line is used, or a point is used running across the object at a close range. The quantity of light that is reflected beck from the object is calculated by a sensor for drawing on computer its dot map. Structured light is another type of 3D scanning on short range. Blue and white lights are used for projecting patterns onto the object. Every edge of each of the lines is measured while distance between the object and the scanner is recorded for creating a 3D image.

A person having more interest in the long ranged scanning should like to be informed about phase shift and pulse based laser scanners. Scanners that are based on laser pulse measure the time taken by the laser to go to an object and then reflect back. When the sensors have judged the distance of the object, it can be completely scanned from distance. This is often achieved by making use of mirrors. The laser phase shift scanners are much similar to the scanners that are pulse based, but power modulation is added to the mix. The time taken by the laser ray to reflect to scanner is measured by the 3D scanning instrument, while the technology of phase shift increases the efficiency of the device and to enable a greater accuracy of results. The option is speedier as well.

An enthusiast cannot but help being thrilled and impressed knowing all the details and particulars about 3D scanning. There is absolutely no doubt in the fact that with innovations the uses of 3D scanning are becoming multifarious. Taken together with the technology of 3D printing, the 3D scanning process has climbed new heights of success. Apart from capturing, buildings, spaces, and objects, and reproducing them on computer, it is possible to recreate and fabricate them too and right at the spot. As far as this is concerned, the device is enabled with limitless potential.

Author Bio: This article is written by Tony Rollan, a marketing consultant for EMS USA, Inc, a leading engineering and manufacturing company that sells rapid product development products and services including 3D Systems 3D Printers and 3D Scanners. Tony has worked for several years as a marketing consultant for various manufacturing industries and blogs about various topics of manufacturing including 3D Printing and 3D Scanning.

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