This is a multi-part message in MIME format. --------------7D530332DD6FB0D16FB7D4E0 Content-Type: text/plain; charset=gb2312 Content-Transfer-Encoding: 7bit I want to make strong fiber bragg grating with no or little cladding mode(<.2db when the refectivity >35dB) ,and the wavelength around 1550nm, The fiber should better have the good compatabile with SMF-28 fiber. please contact the email:htliu@red.semi.ac.cn --------------7D530332DD6FB0D16FB7D4E0 Content-Type: text/x-vcard; charset=gb2312; name="htliu.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for liuht Content-Disposition: attachment; filename="htliu.vcf" begin:vcard n:Liu;haitao tel;fax:86-10-82305033 tel;work:86-10-82304582 x-mozilla-html:FALSE org:SemiConductor Institute of China Academy;PhotoelectronsCenter version:2.1 email;internet:htliu@red.semi.ac.cn adr;quoted-printable:;;BeiJing 912 mailbox =0D=0ACenter of Photoelectronic=0D=0APR of China;BeiJing;;100083;China fn:haitao Liu end:vcard --------------7D530332DD6FB0D16FB7D4E0--