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通过用５７８ｎｍ激光照射鸡冠组织来选择最佳照射剂量．结果表明，产生最佳生物学效应（表皮完好，表皮下血管破坏），照射功率与照射时间同等重要．在０．５～１．０Ｗ的输出功率条件下，最佳的能量密度范围为４～１５Ｊ／ｃｍ２．
The optimal irradiation dose was selected by irradiating crest tissue with a 578 nm laser. The results showed that the best biological effects (epidermis intact, subepidermal vascular damage), irradiation power and irradiation time are equally important. Under the condition of output power of 0.5 ~ 1.0W, the optimum energy density range is 4 ~ 15J / cm2.