Hi Jeff, How thick are your Ti strips ? If it is too thin it may look completely diluted in the crystal. Regards, Bruno Wacogne At 15:03 01/09/2004 -0400, you wrote: >Hello, > >I am trying to diffuse Ti strips into Lithium Niobate. The strips run >from approximately 3 -10 um. After diffusion (which I have run >different permutations ranging from 1-9h and 900-1050C) in a wet >nitrogen environment the waveguides completely disappear. I know that >the index delta should be approximately .01 so they should be difficult >to see, but I can't seem to see anything at all. I was wondering if >anyone has had this problem before or can help me find a solution. Thanks. > >Jeff Price >Research Assistant, University of Delaware >price@ee.udel.edu > >_______________________________________________ >MEMS-talk@memsnet.org mailing list: to unsubscribe or change your list >options, visit http://mail.mems-exchange.org/mailman/listinfo/mems-talk >Hosted by the MEMS Exchange, providers of MEMS processing services. >Visit us at http://www.memsnet.org/ > *********************************************** * * * Bruno Wacogne * * Laboratoire d'Optique P.M. Duffieux * * Faculté des Sciences et des Techniques * * Route de Gray * * 25030 Besançon cedex * * * * tel (++33) 3 81 66 64 25 * * fax (++33) 3 81 66 64 23 * * mel bruno.wacogne@univ-fcomte.fr * * * * http://imfc.univ-fcomte.fr/lopmd/index.html * * http://imfc.univ-fcomte.fr/ * * * ***********************************************