Optical delivery system of ultrashort and ultrahigh-energy pulses for biomedicall optics using near infrared light

本研究的目的是开发一种灵活的传输系统，用于飞脉冲激光器和高功率Nd: YAG激光器在近红外波段振荡，使用介电涂层的中空金属光纤。由于超短和超高能量脉冲能够高效消融人体组织，因此传输系统对于安全和无痛医疗是必要的。本研究得到以下结果：1。表面高度光滑、机械强度高的镀银中空纤维的制备介电聚合物薄膜形成机理及涂层方法的研究镀银中空纤维内表面的光滑处理。gw级Nd: YAG激光器用中空光纤的制备与评价[j]。聚合物包覆中空光纤的损耗降低[j]。调q Nd: YAG激光器用中空光纤的评价及高功率脉冲耐久性的提高

The purpose of this research is to develop a flexible delivery system for femto-pulse lasers and high-powered Nd : YAG lasers oscillated in near infrared wavelengths by using a dielectric-coated, hollow metallic optical fiber. Since ultrashort and ultrahigh-energy pulses enable highly efficient ablation of human tissues, the delivery system is necessary for safety and painless medical treatment.The following results were obtained in this research :1.Fabrication of silver-coated hollow fibers with highly-smooth surface and high mechanical intensity2.Study on mechanism of formation of dielectric polymer film and development of coating method3.Smoothening of inner surface of silver-coated hollow fibers4.Fabrication and evaluation of hollow optical fibers for GW-class Nd : YAG lasers5.Loss reduction of polymer-coated hollow optical fibers6.Evaluation of hollow fibers for Q-switched Nd : YAG lasers and improvement of durability for high power pulses