How Yoga Benefits Your Body and Mind

Yoga Benefits Yoga is a physical, mental, and spiritual practice that originated in ancient India. It involves the practice of physical postures (asanas), breathing techniques (pranayama), and meditation, with the …

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Laser frequency doubling

Laser frequency doubling describes the laser whose wavelength is decreased by half, as well as the frequency is doubled by the frequency doubling crystal (LBO, BBO). After the crystal doubles …

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Er: YAG laser

Er: YAG laser is a new type of laser in the 1980s. When the doping focus is high, the laser can obtain an outcome of 2.94 μm. Since the laser …

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