高功率短脉冲激光照射下生物组织内的热传导研究

来源 :西安交通大学学报 | 被引量 : 0次 | 上传用户:fgq861218
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采用响应时间为1 μs的超小型薄膜铂热电阻温度计及日本YOKOGAWA DL2700高速数字示波器,对微秒量级脉冲激光照射下离体动物组织内的热传导进行了实验研究.结果发现:在激光脉宽较短时,组织内出现了非傅里叶导热现象;脉宽越短,组织厚度越薄,非傅里叶导热特征越明显;功率密度和光斑直径只影响温度上升的高低,对是否会出现非傅里叶导热没有影响.
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