图床：Physics-img/
光纤光学
https://blog.csdn.net/qq_38938670/article/details/108348362
https://www.rp-photonics.com/passive_fiber_optics.html
光纤激光器
光子晶体光纤
http://www.cailiaoniu.com/38123.html
http://www.phomera.com/zp
https://www.zhihu.com/question/25983978
https://www.zhihu.com/question/40373398/answer/86257544
http://www.nanojanus.com/page.php?mod=detail&id=1&cateid=1
http://www.nanojanus.com/article.php?mod=detail&id=6&cid=1&parentid=0
https://www.sohu.com/a/324056823_120118831
https://slidesplayer.com/slide/16054308/
https://cn.comsol.com/blogs/engineering-the-flow-of-light-using-photonic-crystals/
