On March 14, 2025, Wuhan Guangzhi Technology Co., Ltd. saw the publication of its patent application titled 'A Temperature-Controlled Furnace Structure and Control Method,' bearing the publication number CN119617884A. The patent's core objective is to ensure the stability of the operating temperature of frequency-doubled crystals. This is accomplished by establishing a relationship model between frequency-doubled power and operating temperature, enabling precise control over the optimal operating temperature and thereby enhancing the stability and reliability of the temperature-controlled furnace.