Direct observation of light focusing by single photoreceptor cell nuclei
... a standard bright field microscope setup with a piezoelectrically-driven objective to scan along the optical axis and capture images in 1.0µm steps. A small condenser aperture together with Köhler illumination were used to approximate unidirectional (plane wave) illumination and to allow comparison ...
... a standard bright field microscope setup with a piezoelectrically-driven objective to scan along the optical axis and capture images in 1.0µm steps. A small condenser aperture together with Köhler illumination were used to approximate unidirectional (plane wave) illumination and to allow comparison ...
Plasmonics: Fundamentals and Applications
... Setup for single-particle spectroscopy using evanescent excitation via total internal reflection at a prism Shift of particle plasmon resonance detected using prism excitation Experimental setup for white light near-field optical transmission spectroscopy of single metallic particles Near-field imag ...
... Setup for single-particle spectroscopy using evanescent excitation via total internal reflection at a prism Shift of particle plasmon resonance detected using prism excitation Experimental setup for white light near-field optical transmission spectroscopy of single metallic particles Near-field imag ...
plasmonics: fundamentals and applications
... Setup for single-particle spectroscopy using evanescent excitation via total internal reflection at a prism Shift of particle plasmon resonance detected using prism excitation Experimental setup for white light near-field optical transmission spectroscopy of single metallic particles Near-field imag ...
... Setup for single-particle spectroscopy using evanescent excitation via total internal reflection at a prism Shift of particle plasmon resonance detected using prism excitation Experimental setup for white light near-field optical transmission spectroscopy of single metallic particles Near-field imag ...
Theory of spoof plasmons in real metals
... 4 Adiabatic concentration on spoof plasmon structure The spoof plasmons were proposed as a promising tool for the concentration of THz radiation [7]. However, this assumption was based on the perfect conductor description, which did not take losses into account. Here we consider the possibility of f ...
... 4 Adiabatic concentration on spoof plasmon structure The spoof plasmons were proposed as a promising tool for the concentration of THz radiation [7]. However, this assumption was based on the perfect conductor description, which did not take losses into account. Here we consider the possibility of f ...
PLASMONICS: FUNDAMENTALS AND APPLICATIONS
... Setup for single-particle spectroscopy using evanescent excitation via total internal reflection at a prism Shift of particle plasmon resonance detected using prism excitation Experimental setup for white light near-field optical transmission spectroscopy of single metallic particles Near-field imag ...
... Setup for single-particle spectroscopy using evanescent excitation via total internal reflection at a prism Shift of particle plasmon resonance detected using prism excitation Experimental setup for white light near-field optical transmission spectroscopy of single metallic particles Near-field imag ...
Polarization light curves and position angle variation of beamed
... magnetic field. p The predicted total polarization level is 60 per cent= N , equal to , 10 per cent for N , 50. GW99 discuss how the coherence length of the magnetic field generated at the external shock front of a gamma-ray burst fireball grows with time. If, however, the magnetic field is gene ...
... magnetic field. p The predicted total polarization level is 60 per cent= N , equal to , 10 per cent for N , 50. GW99 discuss how the coherence length of the magnetic field generated at the external shock front of a gamma-ray burst fireball grows with time. If, however, the magnetic field is gene ...
An exact line integral representation of the physical
... Asvestas derived a line integral representation of the magnetic field in front of an aperture illuminated from the back by a Hertzian dipole. The key step in the derivation was the analytical evaluation of a dyadic integral to obtain an explicit dyadic expression. Asvestas also introduced the COTres ...
... Asvestas derived a line integral representation of the magnetic field in front of an aperture illuminated from the back by a Hertzian dipole. The key step in the derivation was the analytical evaluation of a dyadic integral to obtain an explicit dyadic expression. Asvestas also introduced the COTres ...
laser-based fibre-optic sensor for measurement of surface properties
... Attenuation is the property o f optical fibres that measures power loss as a signal travels through an optical fibre Optical power, I, is measured in Watts Attenuation, A, is described in equation 2 8 below, relates input optical power, I0, to optical power at a distance z, Iz Attenuation is commonl ...
... Attenuation is the property o f optical fibres that measures power loss as a signal travels through an optical fibre Optical power, I, is measured in Watts Attenuation, A, is described in equation 2 8 below, relates input optical power, I0, to optical power at a distance z, Iz Attenuation is commonl ...
Electromagnetic field intensity distribution along focal region of a
... in terms of six coordinates i.e., components of wave vectors and space coordinates. The conventional ray expression may be considered as its projection in the space coordinates. At the singular point of the ray-expression in space coordinates, the six-component expression is employed. The expression ...
... in terms of six coordinates i.e., components of wave vectors and space coordinates. The conventional ray expression may be considered as its projection in the space coordinates. At the singular point of the ray-expression in space coordinates, the six-component expression is employed. The expression ...
- sfo
... In DFB lasers, the position of the grating relative to the output facets strongly influences the laser threshold and the optical spectrum. ϕ is the phase of the modulator output facet relative to the grating. The resolution of the complex oscillation condition (Eq. 4) gives the DFB modes (optical fr ...
... In DFB lasers, the position of the grating relative to the output facets strongly influences the laser threshold and the optical spectrum. ϕ is the phase of the modulator output facet relative to the grating. The resolution of the complex oscillation condition (Eq. 4) gives the DFB modes (optical fr ...
han_2000_apl
... contribution from the rapidly varying component (molecular lines). If the absorption crosssection is known then the gas concentration can be derived by using the Beer-Lambert law.1 To detect water vapor, which has narrow absorption lines at the THz frequency range, a narrowband THz wave source is d ...
... contribution from the rapidly varying component (molecular lines). If the absorption crosssection is known then the gas concentration can be derived by using the Beer-Lambert law.1 To detect water vapor, which has narrow absorption lines at the THz frequency range, a narrowband THz wave source is d ...
Conjugated gammadion chiral metamaterial with uniaxial optical
... the quantity of chirality, κ = (nR − nL )/2, where nR /nL is the refractive index of the right- or left-handed circular polarized wave (RCP/LCP). Natural chiral materials have very weak chirality (e.g., for quartz, κ 5 × 10−5 at λ = 400 nm). Five orders of magnitude stronger chirality can be reali ...
... the quantity of chirality, κ = (nR − nL )/2, where nR /nL is the refractive index of the right- or left-handed circular polarized wave (RCP/LCP). Natural chiral materials have very weak chirality (e.g., for quartz, κ 5 × 10−5 at λ = 400 nm). Five orders of magnitude stronger chirality can be reali ...
D12 in docx
... “erases”) from all sides using a bottle beam. (b) Foci measured by scanning a gold bead through the focus in three dimensions. Taken from Ref.[D12:5]. ...
... “erases”) from all sides using a bottle beam. (b) Foci measured by scanning a gold bead through the focus in three dimensions. Taken from Ref.[D12:5]. ...
Biosensing under an applied voltage using optical waveguide
... tin oxide (ITO) film of thickness ca. 10 nm coated onto a silicon titanium oxide (STO) waveguiding film serves as the working (sensing) electrode. We observe the effective refractive index of the 0th transverse electric guided mode to increase significantly in the presence of an applied potential du ...
... tin oxide (ITO) film of thickness ca. 10 nm coated onto a silicon titanium oxide (STO) waveguiding film serves as the working (sensing) electrode. We observe the effective refractive index of the 0th transverse electric guided mode to increase significantly in the presence of an applied potential du ...
Investigation of the Optical Properties of YAG:Ce Phosphor
... Yamada et al. in 2003 and Narendran et al. in 2005 quantified forward and backward transmitted light from a layer of YAG:Ce phosphor for an excitation radiation near 470 nm (blue) and down-converted broadband yellow light.9,11 Narendran et al. showed that more than 60% of the light propagates backwa ...
... Yamada et al. in 2003 and Narendran et al. in 2005 quantified forward and backward transmitted light from a layer of YAG:Ce phosphor for an excitation radiation near 470 nm (blue) and down-converted broadband yellow light.9,11 Narendran et al. showed that more than 60% of the light propagates backwa ...
MEMS mirrors - Hamamatsu Photonics
... high-speed operation, even when the mirror is driven with the same current, the maximum optical deflection angle may be exceeded as the resonant frequency is approached, causing damage to the mirror. Deflection angle especially at the resonant frequency is several ten times or higher than that at lo ...
... high-speed operation, even when the mirror is driven with the same current, the maximum optical deflection angle may be exceeded as the resonant frequency is approached, causing damage to the mirror. Deflection angle especially at the resonant frequency is several ten times or higher than that at lo ...
Chromatic Dispersion in optical Communications
... was transmitted through a standard 120 km long single mode fibre. The results of simulation in the OptSim program - the eye diagram and the histogram without and with compensation - are shown in the next figures. In the Fig. there is an eye diagram with a not very good separation of signal levels. T ...
... was transmitted through a standard 120 km long single mode fibre. The results of simulation in the OptSim program - the eye diagram and the histogram without and with compensation - are shown in the next figures. In the Fig. there is an eye diagram with a not very good separation of signal levels. T ...