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Disposable laser produced with inkjet printing tech

by • May 3, 2016 • No Comments

Most of the lasers used in items such as DVD players or optical mice are inorganic. They last much longer than organic lasers (which use carbon-based materials to amplify light), but they’re in addition comparatively expensive and difficult to manufacture, plus their range of wavelengths is limited. Developing additional durable organic lasers may be one way of addressing the situation, but a European research team has come up with another – only manufacture them quite baracquire-priced and easily-replaceable.

Working with an inkjet printing device and a commercial ink mixed with dye, the scientists printed square pixels onto a quartz slide. Because inkjet printing devices can print so exactly into one small area, the slide didn’t require to be masked off, and there was quite little wastage of the ink/dye mix.

That slide is known as a “lasing capsule,” and every of the pixels on it act as a acquire medium when placed in an organic laser – the acquire medium is what amplifies the light, and is in addition what typically degrades too rapidly in regular organic lasers. Whilst this particular type of acquire medium isn’t longer-lasting than others, the capsule which it is printed on can just be pulled out of the rest of the laser and replaced as requireed. It’s likened to changing the blades in a razor.

The scientists believe which once production is ramped up, such lasing capsules may be manufactured for only a few cents every. Changing the color of the laser is as easy as via various colors of dyes. Ultimately, it is hoped which the innovation may be used for sending data over short plastic fibers, and as a tool for analyzing chemical or biological samples.

The research was conducted by scientists of the University of Paris 13 and Ecole Nationale Supérieure des Mines de Saint Etienne in France, and SEMILAB in Hungary. It is defined in a paper which was not long ago published in the Journal of Applied Physics.

Source: American Institute of Physics

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