Search Results - "PLANKEN, P. C. M"
-
1
Terahertz field enhancement by a metallic nano slit operating beyond the skin-depth limit
Published in Nature photonics (01-03-2009)“…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 ,…”
Get full text
Journal Article -
2
Following the Nonthermal Phase Transition in Niobium Dioxide by Time-Resolved Harmonic Spectroscopy
Published in Physical review letters (15-12-2023)“…Photoinduced phase transitions in correlated materials promise diverse applications from ultrafast switches to optoelectronics. Resolving those transitions and…”
Get full text
Journal Article -
3
Fourier-transform terahertz near-field imaging of one-dimensional slit arrays: mapping of electric-field-, magnetic-field-, and Poynting vectors
Published in Optics express (17-09-2007)“…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…”
Get full text
Journal Article -
4
Advanced terahertz electric near-field measurements at sub-wavelength diameter metallic apertures
Published in Optics express (12-05-2008)“…Using terahertz-light excitation, we have measured with sub-wavelength spatial, and sub-cycle temporal resolution the time- and frequency-dependent…”
Get full text
Journal Article -
5
Terahertz field enhancement by a metallic nano slit operating beyond the skin-depth limit
Published in Nature photonics (22-02-2009)Get full text
Journal Article -
6
Near field imaging of terahertz focusing onto rectangular apertures
Published in Optics express (08-12-2008)“…We performed terahertz near-field experiments on single rectangular holes with various lengths grown on an electro-optic crystal substrate with lambda/100…”
Get full text
Journal Article -
7
Terahertz near-field vectorial imaging of subwavelength apertures and aperture arrays
Published in Optics express (17-08-2009)“…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…”
Get full text
Journal Article -
8
Influence of the dielectric substrate on the terahertz electric near-field of a hole in a metal
Published in Optics express (28-09-2009)“…We have studied theoretically and experimentally the influence of a dielectric substrate on the frequency-dependent terahertz electric near-field of a small…”
Get full text
Journal Article -
9
Ultrafast laser-induced strain waves in thin ruthenium layers
Published in Optics express (27-09-2021)“…We report on the time-dependent optical diffraction from ultra-high frequency laser-induced acoustic waves in thin layers of ruthenium deposited on glass…”
Get full text
Journal Article -
10
Femtosecond time-resolved pump-probe measurements on percolating gold in the ablation regime
Published in Optics express (13-04-2020)“…We report on femtosecond laser ablation experiments on percolating gold layers deposited on a glass substrate. In our experiments, we measure changes in…”
Get full text
Journal Article -
11
Detection of periodic structures through opaque metal layers by optical measurements of ultrafast electron dynamics
Published in Optics express (03-09-2018)“…We report on femtosecond optical pump-probe measurements of ultrafast electron dynamics to detect the presence of gratings buried underneath optically opaque…”
Get full text
Journal Article -
12
Electromagnetic spin-orbit interactions via scattering of subwavelength apertures
Published in Physical review letters (26-02-2010)“…Circularly polarized electric fields incident on subwavelength apertures produce near-field phase singularities with phase vorticity +/-1 depending on the…”
Get full text
Journal Article -
13
Plasmonic enhancement of photoacoustic strain-waves on gold gratings
Published in AIP advances (01-02-2022)“…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…”
Get full text
Journal Article -
14
Electro-optic detection of subwavelength terahertz spot sizes in the near field of a metal tip
Published in Applied physics letters (26-08-2002)“…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…”
Get full text
Journal Article -
15
Terahertz near-field spectroscopy of filled subwavelength sized apertures in thin metal films
Published in Optics express (14-01-2013)“…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…”
Get full text
Journal Article -
16
Towards terahertz near-field microscopy
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (15-02-2004)“…/200 is observed…”
Get full text
Journal Article -
17
Terahertz near-field microspectroscopy
Published in Applied physics letters (19-07-2010)“…Using near-field, terahertz time-domain spectroscopy (THz-TDS), we investigate how the addition of a dielectric material into a subwavelength-diameter,…”
Get full text
Journal Article -
18
Optical and terahertz near-field studies of surface plasmons in subwavelength metallic slits
Published in New journal of physics (28-10-2008)Get full text
Journal Article -
19
Role of solvent on vibrational energy transfer in solution
Published in Nature (London) (25-10-1990)“…A time-resolved study of the energy-tranfer processes within and between molecules exposed to polar and nonpolar solvents is presented…”
Get full text
Journal Article -
20
Repetitive excitation of charge oscillations in semiconductor heterostructures
Published in Applied physics letters (18-10-1993)“…We create forced excitonic charge oscillations in semiconductor heterostructures by excitation with periodic optical pulse sequences. The far-infrared…”
Get full text
Journal Article