| 用于激光热疗的激光抽运高掺杂光纤光热头研究 |
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| 引用本文： | 楼静漪,童利民,叶林华,沈永行,鲍世宁. 用于激光热疗的激光抽运高掺杂光纤光热头研究[J]. 中国激光, 2002, 29(9): 817-820 |
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| 作者姓名： | 楼静漪 童利民 叶林华 沈永行 鲍世宁 |
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| 作者单位： | 浙江大学物理系,浙江大学硅材料国家重点实验室,浙江杭州,310027 |
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| 基金项目： | 国家自然科学基金(59906011)，激光技术863青年基金(863-410-2000-5) |
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| 摘 要： | 利用晶体光纤中高掺杂离子的非辐射跃迁机制,研制成功一种可用于激光热疗的高掺杂光纤光热转换头。在一个809nm半导体激光器抽运下,光热头在空气和蛋清样品中分别产生最高达465℃(抽运功率为1124mW)和98℃(抽运功率为933mW)的温度,已足够用于激光热疗。同时,光热头在温度稳定性、热响应时间、生物相容性、抗热冲击强度和化学稳定性等方面均能满足要求。
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| 关 键 词： | 掺杂光纤 非辐射跃迁 光热转换 激光热疗 |
| 收稿时间： | 2001-07-26 |
Laser-pumped Heavily Doped Fiber-optic Thermal Tip for Laser Thermotherapy |
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| LOU Jing-yi,TONG Li-min,YE Lin-hua,SHEN Yong-hang,BAO Shi-ning. Laser-pumped Heavily Doped Fiber-optic Thermal Tip for Laser Thermotherapy[J]. Chinese Journal of Lasers, 2002, 29(9): 817-820 |
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| Authors: | LOU Jing-yi TONG Li-min YE Lin-hua SHEN Yong-hang BAO Shi-ning |
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| Abstract: | Based on non-radiation transitions of heavily doped ions in the crystal fiber, a laser-pumped fiber-optic thermal tip has been developed for laser thermotherapy. Pumping by a 809 nm laser diode, the thermal tip generates a maximum temperature of 465° in air (with pumping power of 1124 mW) and 98° in egg white (with pumping power of 933 mW), which is high enough for laser thermotherapy. Meanwhile, the thermal tip shows satisfactory results in temperature stability, thermal response time, bio-compatibility, thermal impact resistibility, and chemical stability. |
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| Keywords: | doped fiber non-radiation transition photo-thermal conversion laser thermotherapy |
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