[文献]Open access to  e-prints including optics [复制链接]

If you need a paper but have no other ways to get it, you may want to try your luck at the following website. fNx!'{o"  
Some authors prefer to put their papers in this archive before submitting for official publication, so that the submitted results are protected with a date stamp. (r?hD*2r  

thanks、

谢谢分享！！