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科学家开发出新型调Q脉冲激光材料

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科学家开发出新型调Q脉冲激光材料

发布日期:2016-07-14 10:05 来源:http://ansxc.com 点击:

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盐城激光切割


  盐城激光切割网讯:超快脉冲激光器以其高峰值功率、短脉宽等特点,在工业生产、科研、医疗等领域都有重要应用。一个典型的产生脉冲输出的方法,是使用非线性光学材料,利用其饱和吸收特性,调制脉冲激光器的Q值,产生脉冲输出。在过去的几十年中,很多材料被证明具有光学非线性,包括各种染料、彩色滤光玻璃、离子掺杂晶体等。但是,要满足实际脉冲激光器应用,除了需要很强的光学非线性,材料还需要具备其他很多特性,如超快电子弛豫时间、宽波段吸收、低损耗、高损耗阈值、低成本、易于制备、便于与各种激光谐振腔整合等。为了满足日益提高的激光器应用需求,科学家们不断开发出各种适用于脉冲激光器的新型功能材料,如窄波段的碳纳米管、宽波段的石墨烯材料、高调制深度的拓扑绝缘体材料等。


  JINRI,SUZHOUDAXUEDEBAOQIAOLIANGJIAOSHOUHEMAWANLIJIAOSHOUSHOUCISHIYANZHENGSHI,LINHUAYATONG(Cu3-xP)DENGLIZITINAMIJINGTIZAIGUANGTONGXUNBODUANJUYOUKEDIAODEBIAOMIANDENGLIZITIZENGQIANGDEFEIXIANXINGGUANGXUEXINGZHI,SHISHIXIANDANENGLIANGMAICHONGJIGUANGSHUCHUDELIXIANGCAILIAO。TAMENSHIYONGRONGYEFAHECHENGZHEIZHONGLINHUAYATONGDENGLIZITINAMIJINGTI,TONGGUOCAILIAODECHICUN、CHANZAHEBIAOMIANGUANNENGTUANDENGSHIYANCANSHUKEYISHIXIANGAICAILIAODEDENGLIZITIXISHOUFENGCONG1390 nmDAO1750 nmKEDIAO,FUGAITONGXUNCBODUANDAOLBODUANJIAOKUANDEYIGEBOPUFANWEI。YOUYUDENGLIZITIXISHOUXIAOYING,DADAZENGQIANGLECAILIAODEGUANGXUEFEIXIANXING,ZAI1550 nmCHUDIAOZHISHENDUDA18.98%。CIWAI,GAICAILIAOHAIZHANSHILECHAOKUAIDEJIZICHIYUNENGLI。TAMENSHIYONGGAICAILIAOCHENGGONGSHIXIANLEGAONENGDIAOQMAICHONGJIGUANGSHUCHU。GAIGONGZUOXIANSHI,ZHEIZHONGZHONGCHANZADENGLIZITINAMIJINGTIZUOWEIYIZHONGDICHENGBEN、KEDAGUIMOZHIBEIDEXINXINGGUANGXUEFEIXIANXINGCAILIAO,ZAIXINHAOCHANSHENGHEGUANGTONGXUNLINGYUJUYOUZHONGYAODEYINGYONGQIANJING。GAIYANJIUCHENGGUOYIFENGDIWENZHANGDEXINGSHIFABIAOZAIWiley CHUBANJITUANQUANWEIZAZHI《Advanced Materials》SHANG。

相关标签:盐城激光切割

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