optical tweezers Optical tweezers are a powerful tool for manipulation and investigation of microscopic particles. Since there is a broad spread of applications and techniques this page intends to work as an information-platform for both, people designing and applying optical tweezers. list of links Detailed list of links about optical tweezers; overview articles, other groups, applications, ... [go on...] force calibration Different principles to force-calibrate optical tweezers [go on...] gallery Feel free to download a large number of pictures and movies about different applications and set-ups [go on...] useful tips Will 2 W of optical power destroy your microscope objective? How big is the heating up of biological samples due to absorption? [go on...] company list Find a list of companies providing components for building tweezers as well as equipment to apply tweezers [go on...] safety info Lasers used in optical tweezers belong to laser class IV, so extreme caution is necessary [go on...]