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  • 學位論文

雷射光吸收劑之開發

Synthesis and Molecular Design of Laser-absorbers

指導教授 : 趙豫州
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摘要


雷射這項新的技術已被廣泛用於軍事領域,且發展迅速。雷射測距、追蹤、目標指示、通信、類比射擊等裝置已被大量裝備,雷射致盲和雷射武器正以它特有的殺傷方式引人注目,已成為當今武器發展的指標,在軍事上有著廣大的應用與前景。然而,大量的生物效應研究證明,雷射光輻射對人的健康有一定危害,眼和皮膚是受傷害的主要器官,同時,雷射也會使光電感測器輸出效果減弱甚至失能,也會導致光學系統的熔化、龜裂或出現磨砂現象等,因此,必須先針對軍方常使用之雷射波長1060 nm的介質﹝Nd:YAG﹞來進行防護。要有效達到保護而不影響人員的視力及承載負擔以及維持光電光學系統的正常使用,可塗佈雷射光吸收劑,將雷射光能量予以有效吸收並以熱的方式使其消散,如此不但可使雷射光無法直接傷害到眼睛及設備,而且可使雷射光不反射,而達到防偵測的效果。要作為雷射光吸收劑,除了結構本身穩定度要夠、熔點與ε值﹝吸光係數或稱消光係數﹞要高之外,最重要的,就是雷射光吸收劑的可見光透光率,透光率越高,影響操作人員的視力就越小。雷射光吸收劑要趨近於無色透明,使用在軍事設施與光電光學系統上,除了能防止雷射光的破壞,還能保持其設施的隱匿性以及光電光學系統的靈敏度。

並列摘要


Protection and countermeasures against laser weapons are difficult, which so far have remained unsolved despite years of research. A simple and cheap eye protection against laser weapons still does not exist; consequently, protection of personnels involve many complicated factors ranging from filters to defensive battlefield behaviour. Thiolene nickel complex compounds with a general formula (RCOCSR’)2Ni that have an intense absorption band in near-IR region could fulfil the requirements of eye-protectors. Tetrasubstitued p-phenylenediamine were also methioned to meet the same requirements. We prepared these two series and test their protection property and other properties. We changed the nature, position and number of the substituents on the compounds and found the relationship between the structure and properties.

參考文獻


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