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Proceedings Article

An all-optical, in situ diagnostic for large molecule and nanoparticle detection

[+] Author Affiliations
Alexandros Gerakis, Brentley C. Stratton, Yevgeny Raitses

Princeton Plasma Physics Lab. (United States)

Mikhail N. Shneider

Princeton Univ. (United States)

Proc. SPIE 10093, Synthesis and Photonics of Nanoscale Materials XIV, 100930O (February 20, 2017); doi:10.1117/12.2253421
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From Conference Volume 10093

  • Synthesis and Photonics of Nanoscale Materials XIV
  • David B. Geohegan; Jan J. Dubowski; Andrei V. Kabashin
  • San Francisco, California, United States | January 28, 2017

abstract

We report on the development and application of a new laser diagnostic for the in situ detection of large molecules and nanoparticles. This four wave mixing diagnostic technique relies on the creation of an optical lattice in a medium due to the interaction between polarized particles and intense laser fields. Though this interaction, we can detect the temperature, pressure, relative density, polarizability and speed of sound of a gas and gas mixture. This diagnostic was already successfully demonstrated in atomic and molecular gaseous environments, where the different gas polarizabilities and pressures were successfully measured. We are currently conducting measurements with large molecules and nanoparticles, the results of which will be presented in this meeting. © (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Alexandros Gerakis ; Mikhail N. Shneider ; Brentley C. Stratton and Yevgeny Raitses
" An all-optical, in situ diagnostic for large molecule and nanoparticle detection ", Proc. SPIE 10093, Synthesis and Photonics of Nanoscale Materials XIV, 100930O (February 20, 2017); doi:10.1117/12.2253421; http://dx.doi.org/10.1117/12.2253421


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