Inkjet printed “lasing capsules” serve as the core of an organic laser. Figure (a) shows a schematic of the laser setup, while figure (b) shows actual lasing capsules, which would cost only a few cents to produce. OC stands for “Output Coupler” and FP stands for Febry-Perot etalon. Credit: Sanaur, et al/JAP
Ultra-low-cost, easy to fabricate ‘lasing capsules’ with an inkjet printer. Since lasers were invented more than 50 years ago, they have transformed a diverse swath of technology – from CD players to surgical instruments. Now researchers from France and Hungary have invented a way to print lasers that’s so cheap, easy and efficient they believe the core of the laser could be disposed of after each use.
“The low-cost and easiness of laser chip fabrication are the most significant aspects...
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