laser tweezers — … Useful english dictionary
Tweezers — are tools used for picking up small objects that are not easily handled with the human hands. They are probably derived from tongs, pincers, or scissors like pliers used to grab or hold hot objects from the dawn of recorded history.Tweezers make… … Wikipedia
Laser cooling — refers to the number of techniques in which atomic and molecular samples are cooled through the interaction with one or more laser light fields. The first example of laser cooling, and also still the most common method of laser cooling (so much… … Wikipedia
Laser applications — There are many scientific, military, medical and commercial laser applications which have been developed since the invention of the laser in the 1958. The coherency, high monochromaticity, and ability to reach extremely high powers are all… … Wikipedia
laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; … Universalium
optical tweezers — (= laser tweezers; optical trap) By focusing a beam of light on a particle it is possible to trap the particle as a result of the forces due to radiation pressure (the forces involved are of the order of pico newtons). Laser beams exert… … Dictionary of molecular biology
Laser Tweezer — Eine optische Pinzette ist ein photonisches Gerät zur Manipulation, d. h. zum Festhalten und Bewegen, kleinster Objekte. Eine typische Ausführung spiegelt einen Laserstrahl in ein optisches Mikroskop ein, der dadurch in der Objekt Ebene… … Deutsch Wikipedia
Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… … Wikipedia
optical tweezers — plural noun An instrument used to manipulate microscopic objects by means of highly focused laser light • • • Main Entry: ↑optic … Useful english dictionary
лазерные пинцеты — Laser Tweezers Лазерные пинцеты Лазерный (или оптический) пинцет представляет собой устройство, использующее сфокусированный луч лазера для передвижения микро(нано)скопических объектов. Вблизи точки фокусировки лазерного луча свет тянет к… … Толковый англо-русский словарь по нанотехнологии. - М.
Луч лазера, падающий сверху на линзу, фокусируется внутри капли. При этом на каждую частицу, находящуюся в воде, действуют силы (оранжевые стрелки), результирующая которых (зелёная стрелка) всегда направлена к фокусу.