Hi i am using SU8 polymer for optical waveguide but it has very high absorbance in UV region (280nm). I want to use 280nm wavelength for my optical waveguide. Can someone suggest any polymer which has good transmission at 280nm and can be used for fabrication. -- Kamlesh Pawar M.Tech (Biomedical Engg) Mob :+919870062960 IIT-Bombay