Search Results - "Planken, P. C. M"

Terahertz field enhancement by a metallic nano slit operating beyond the skin-depth limit by Park, Q. H, Kim, D. S, Seo, M. A, Park, H. R, Koo, S. M, Park, D. J, Kang, J. H, Suwal, O. K, Choi, S. S, Planken, P. C. M, Park, G. S, Park, N. K

“…The unique optical properties of metals are at the core of many areas of research and applications, including plasmonics 1 , 2 , 3 , 4 , metamaterials 5 , 6 ,…”
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Following the Nonthermal Phase Transition in Niobium Dioxide by Time-Resolved Harmonic Spectroscopy by Nie, Z, Guery, L, Molinero, E B, Juergens, P, van den Hooven, T J, Wang, Y, Jimenez Galan, A, Planken, P C M, Silva, R E F, Kraus, P M

“…Photoinduced phase transitions in correlated materials promise diverse applications from ultrafast switches to optoelectronics. Resolving those transitions and…”
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Fourier-transform terahertz near-field imaging of one-dimensional slit arrays: mapping of electric-field-, magnetic-field-, and Poynting vectors by Seo, M A, Adam, A J L, Kang, J H, Lee, J W, Jeoung, S C, Park, Q H, Planken, P C M, Kim, D S

“…We present 2D measurements of the full THz electric field behind a sample consisting of multiple slits in a metal foil. Our measurements, which have a…”
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Advanced terahertz electric near-field measurements at sub-wavelength diameter metallic apertures by Adam, A J L, Brok, J M, Seo, M A, Ahn, K J, Kim, D S, Kang, J H, Park, Q H, Nagel, M, Planken, P C M

“…Using terahertz-light excitation, we have measured with sub-wavelength spatial, and sub-cycle temporal resolution the time- and frequency-dependent…”
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Terahertz field enhancement by a metallic nano slit operating beyond the skin-depth limit by SEO, M. A, PARK, H. R, PARK, Q. H, KIM, D. S, KOO, S. M, PARK, D. J, KANG, J. H, SUWAL, O. K, CHOI, S. S, PLANKEN, P. C. M, PARK, G. S, PARK, N. K

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Near field imaging of terahertz focusing onto rectangular apertures by Seo, M A, Adam, A J L, Kang, J H, Lee, J W, Ahn, K J, Park, Q H, Planken, P C M, Kim, D S

“…We performed terahertz near-field experiments on single rectangular holes with various lengths grown on an electro-optic crystal substrate with lambda/100…”
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Terahertz near-field vectorial imaging of subwavelength apertures and aperture arrays by Knab, J R, Adam, A J L, Nagel, M, Shaner, E, Seo, M A, Kim, D S, Planken, P C M

“…We present measurements of the complete terahertz (THz) electric near-field distribution, E(x), E(y) and E(z), in both the time- and frequency-domains, for…”
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Influence of the dielectric substrate on the terahertz electric near-field of a hole in a metal by Guestin, L, Adam, A J L, Knab, J R, Nagel, M, Planken, P C M

“…We have studied theoretically and experimentally the influence of a dielectric substrate on the frequency-dependent terahertz electric near-field of a small…”
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Ultrafast laser-induced strain waves in thin ruthenium layers by de Haan, G., van den Hooven, T. J., Planken, P. C. M.

“…We report on the time-dependent optical diffraction from ultra-high frequency laser-induced acoustic waves in thin layers of ruthenium deposited on glass…”
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Femtosecond time-resolved pump-probe measurements on percolating gold in the ablation regime by de Haan, G, Hernandez-Rueda, J, Planken, P C M

“…We report on femtosecond laser ablation experiments on percolating gold layers deposited on a glass substrate. In our experiments, we measure changes in…”
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Detection of periodic structures through opaque metal layers by optical measurements of ultrafast electron dynamics by Edward, S, Antoncecchi, A, Zhang, H, Sielcken, H, Witte, S, Planken, P C M

“…We report on femtosecond optical pump-probe measurements of ultrafast electron dynamics to detect the presence of gratings buried underneath optically opaque…”
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Electromagnetic spin-orbit interactions via scattering of subwavelength apertures by Vuong, L T, Adam, A J L, Brok, J M, Planken, P C M, Urbach, H P

“…Circularly polarized electric fields incident on subwavelength apertures produce near-field phase singularities with phase vorticity +/-1 depending on the…”
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Plasmonic enhancement of photoacoustic strain-waves on gold gratings by de Haan, G., Abram, E., van den Hooven, T. J., Planken, P. C. M.

“…In this paper, we report on the time-dependent strain-wave-induced changes in the reflection and diffraction of a gold plasmonic grating. We demonstrate…”
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Electro-optic detection of subwavelength terahertz spot sizes in the near field of a metal tip by van der Valk, N. C. J., Planken, P. C. M.

“…We report on a method to obtain a subwavelength resolution in terahertz time-domain imaging. In our method, a sharp copper tip is used to locally distort and…”
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Terahertz near-field spectroscopy of filled subwavelength sized apertures in thin metal films by Knab, J R, Adam, A J L, Shaner, E, Starmans, H J A J, Planken, P C M

“…We have measured terahertz near-field spectra of cesium iodide crystals as small as ~10 μm in diameter, which were deposited on single, sub-wavelength-sized…”
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Towards terahertz near-field microscopy by van der Valk, N. C. J., Planken, P. C. M.

“…/200 is observed…”
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Terahertz near-field microspectroscopy by Knab, J. R., Adam, A. J. L., Chakkittakandy, R., Planken, P. C. M.

“…Using near-field, terahertz time-domain spectroscopy (THz-TDS), we investigate how the addition of a dielectric material into a subwavelength-diameter,…”
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Optical and terahertz near-field studies of surface plasmons in subwavelength metallic slits by Ahn, K J, Lee, K G, Kihm, H W, Seo, M A, Adam, A J L, Planken, P C M, Kim, D S

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Role of solvent on vibrational energy transfer in solution by Bakker, H. J, Planken, P. C. M, Lagendijk, A

“…A time-resolved study of the energy-tranfer processes within and between molecules exposed to polar and nonpolar solvents is presented…”
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Repetitive excitation of charge oscillations in semiconductor heterostructures by BRENER, I, PLANKEN, P. C. M, NUSS, M. C, PFEIFFER, L, LEAIRD, D. E, WEINER, A. M

“…We create forced excitonic charge oscillations in semiconductor heterostructures by excitation with periodic optical pulse sequences. The far-infrared…”
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