In a recent study published in the journal Optics Express, researchers have discovered a new class of nonlinear optical crystals made up of unusual cationic compounds. These nonlinear optical crystals have the potential to be used in a variety of applications, such as optical sensing and imaging, and could even be used to create new kinds of lasers. The crystals are made up of organic molecules that contain fluorine and nitrogen atoms. The researchers found that the crystals had good optical properties, with high nonlinearity, wide spectral tuning range, and low optical losses. This could allow them to be used in a range of optical applications, from data storage to optical sensing. The research team is now looking into further applications of these new crystals and how they can be used to create new kinds of lasers.

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source: Phys.org