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    Shenzhen Raybow Optoelectronics Co., Ltd. will officially release a 500mW 638nm high-power red laser chip from January 2021, which can be used in the field of lighting. The product model is RB-638A-55-0.5-1.2-SE, in which the luminous strip width is 55μm, the cavity length is 1.2mm, the output power is 500mW, the working current at room temperature is 700mA. The overall size of the chip is 0.3mmx1.2mm (width x length), and the chip supports bare core, COS and TO-56 packages.