Disclosed are system and method for characterizing a system consisting of a fluid sample on a two sided stage, utilizing data obtained by applying, from both sides thereof, beams of electromagnetic radiation to a fluid coated surface in a containing cell volume. The beams can have the same or different...http://www.google.ca/patents/US6937341?utm_source=gb-gplus-sharePatent US6937341 - System and method enabling simultaneous investigation of sample with two beams of electromagnetic radiation
