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Optically Heated Nanotweezers Manipulate Materials at Nanoscale

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Opto-thermoelectric nanotweezers (OTENTs) have been developed that use light at the nanoscale to manipulate metal nanoparticles in a wide range of materials, sizes, and shapes, with single-particle resolution. OTENTs could open new possibilities for the use of nanophotonics in mobile technology and other fields. The research team from the University of Texas at Austin took advantage of optical heating arising from photon-to-phonon conversion to create the extremely low-power optical tweezing technique. Researchers optically heated a thermoplasmonic substrate, which generated a...Read full article

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    Published: April 2018
    Glossary
    nanopositioning
    Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer scale. This technology enables the positioning of objects with extremely high accuracy and resolution, typically in the range of nanometers or even sub-nanometer levels. Nanopositioning systems are employed in various scientific, industrial, and research applications where ultra-precise positioning is required. Key features and aspects of nanopositioning include: Small...
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    optical tweezers
    Optical tweezers refer to a scientific instrument that uses the pressure of laser light to trap and manipulate microscopic objects, such as particles or biological cells, in three dimensions. This technique relies on the momentum transfer of photons from the laser beam to the trapped objects, creating a stable trapping potential. Optical tweezers are widely used in physics, biology, and nanotechnology for studying and manipulating tiny structures at the microscale and nanoscale levels. Key...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    Research & TechnologyeducationAmericasMaterialsnanomaterialsOpticsNanopositioningoptoelectronicsmedicalConsumeroptical tweezersnanotweezersspectroscopynanonanoscaleoptical manipulationTech Pulse

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