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Abstract Scientists at the Macquarie Photonics Research Center in Australia recently published a study in the journal Laser Quantum, saying that synthetic diamond can fundamentally improve the characteristics of high-power laser beams. Principal researcher Aaron McKay introduced that lasers come from a variety of colors, their waves
Scientists at the Macquarie Photonics Research Center in Australia recently published a study in the journal Laser Quantum, saying that synthetic diamond can fundamentally improve the characteristics of high-power laser beams. 
The illustration shows a laser energy converter developed by the McKay team using synthetic diamonds. The output laser is 50% brighter than the input laser.
Lead researcher Aaron McKay said that the laser beam power varies from a few microwatts for laser pointers and DVD players to several kilowatts for cutting steel. The two most important characteristics of lasers are their energy and brightness. From material processing to environmental remote sensing to military defense, high-power laser beams are indispensable.
The traditional method of improving the brightness of a laser beam is to use a second laser, that is, a laser converter, but this inevitably leads to loss of beam energy. For equipment and applications where energy requirements are not high, and equipment requiring high energy, most of the required energy is wasted in the energy conversion process of the converter.
Professor Aaron McKay and his team used the new equipment developed by synthetic diamond to effectively increase the brightness and energy of the output beam, which is 50% higher than the brightness of the input beam.
The biggest advantage of the synthetic diamond laser beam is the heat conduction of the diamond. The thermal conductivity of the diamond is higher than that of other optical materials. The laser conversion can be completed in a small equipment installation package, and the equipment size is reduced, but the efficiency is small. But it has greatly improved.
The staff uses the principle of stimulated Raman scattering to complete the energy conversion of the laser beam. The Raman effect not only improves the beam energy but also changes its color.
Scientists use diamond laser beam equipment to convert high-power lasers with poor beam performance in the infrared spectrum into extremely bright beams. Lasers in the infrared region have extremely broad and important applications in environmental monitoring and military defense systems.
At present, scientists are still studying the specific details of high-power laser conversion of synthetic diamonds, and plans to try to convert lasers of many different colors. Because diamonds are extremely transparent in a wide spectrum, researchers can use converters to generate lasers of many different colors and apply them to high-tech equipment. (Compiled from 'Diamond makes laser beams more brilliant')
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