Laser heating of scanning probe tips for thermal near-field spectroscopy and imaging
نویسندگان
چکیده
منابع مشابه
Raman-based imaging and thermal characterization in near-field laser heating
Micro/nanoparticle induced nearfield laser ultrafocusing and heating has been widely used in laser-assisted nanopatterning and nanolithography to pattern nanoscale features on a large-area substrate. Probing of the temperature, stress, and optical fields induced by the nanoscale nearfield laser heating remains a great challenge since the heating area is very small (~100 nm or less) and not imme...
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Despite the seminal contributions of Kirchhoff and Planck describing far-field thermal emission, fundamentally distinct spectral characteristics of the electromagnetic thermal near-field have been predicted. However, due to their evanescent nature their direct experimental characterization has remained elusive. Combining scattering scanning near-field optical microscopy with Fourier-transform s...
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In this article results of a comparison of two NSOM probe characterization methods are presented. Scanning electron microscopy analysis combined with electromagnetic field modeling using the finite difference in time domain method are compared with measured far-field radiation diagrams of NSOM probes. It is shown that measurement of far-field radiation diagrams can be an efficient tool for dail...
متن کاملThe near-field scanning thermal microscope.
We report on the design, characterization, and performance of a near-field scanning thermal microscope capable to detect thermal heat currents mediated by evanescent thermal electromagnetic fields close to the surface of a sample. The instrument operates in ultrahigh vacuum and retains its scanning tunneling microscope functionality, so that its miniature, micropipette-based thermocouple sensor...
متن کاملNanoscale Probing of Thermal, Stress, and Optical Fields under Near-Field Laser Heating
Micro/nanoparticle induced near-field laser ultra-focusing and heating has been widely used in laser-assisted nanopatterning and nanolithography to pattern nanoscale features on a large-area substrate. Knowledge of the temperature and stress in the nanoscale near-field heating region is critical for process control and optimization. At present, probing of the nanoscale temperature, stress, and ...
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ژورنال
عنوان ژورنال: APL Photonics
سال: 2017
ISSN: 2378-0967
DOI: 10.1063/1.4972048