Hi Leon, I was wondering what the size of microballs were in microball lenses. We produce nano metal powders that are spherical (and fully dense) and wondered whether they would fit such a need?? Cheers, Cindi Prorok Argonide Nanomaterials Group www.argonide.com leon wrote: > Dear colleagues, > > Microball lenses are usually > used to achieve > fiber-microcomponent-fiber > coupling, so I am wondering > whether I can get some purchase > imformation of microball lenses > from your guys. Or if there is > any other choice for the optical > coupling of optical-MEMS, I 'll > be very glad to hear. > > Thanks, > Liuqiang Zhang > -- > Electro-Optics Technology > Center, Tufts University > 4 Colby Street, Medford, MA > 02155 > Tel: 617-627-3136 (O), > 781-395-2769 (H) > >