Dynamic electrostatic force microscopy in liquid media
... (ewater ¼ 78), the measured capacitance gradients are almost two orders of magnitude higher than those measured in air (eair ¼ 1). This enables one to perform measurements with excellent signal-to-noise ratios while applying small voltages (here, v0 ¼ 0.5 V), as required to avoid electrochemical sur ...
... (ewater ¼ 78), the measured capacitance gradients are almost two orders of magnitude higher than those measured in air (eair ¼ 1). This enables one to perform measurements with excellent signal-to-noise ratios while applying small voltages (here, v0 ¼ 0.5 V), as required to avoid electrochemical sur ...
the optical (light) microscope
... Tungsten-halogen filament lamps are also widely used for their high intensity and high colour temperature. Light intensity can be controlled by varying the current or by use of neutral-density filters. Other light sources, such as the zirconium-arc, sodium-arc, quartziodine, or mercury-vapor lam ...
... Tungsten-halogen filament lamps are also widely used for their high intensity and high colour temperature. Light intensity can be controlled by varying the current or by use of neutral-density filters. Other light sources, such as the zirconium-arc, sodium-arc, quartziodine, or mercury-vapor lam ...
Investigation of ultrafast demagnetization and cubic optical
... shorter than the spin-lattice relaxation time.1,2 The spin dynamics may be investigated by means of magneto-optical pump-probe measurements. When pumping with elliptically polarized light, an additional transient circular and linear birefringence may be induced by means of the specular inverse Farad ...
... shorter than the spin-lattice relaxation time.1,2 The spin dynamics may be investigated by means of magneto-optical pump-probe measurements. When pumping with elliptically polarized light, an additional transient circular and linear birefringence may be induced by means of the specular inverse Farad ...
Magnetic Light-Matter Interactions in a Photonic Crystal Nanocavity
... the cavity resonance: as the resonance wavelength shifts away from the laser wavelength, there is less coupling from the waveguide to the cavity. Less coupling, in turn, reduces the overall losses that the light experiences in the waveguide-cavity system and, thus, increases the transmittance at r0 ...
... the cavity resonance: as the resonance wavelength shifts away from the laser wavelength, there is less coupling from the waveguide to the cavity. Less coupling, in turn, reduces the overall losses that the light experiences in the waveguide-cavity system and, thus, increases the transmittance at r0 ...
Precision High Numerical Aperture Scanning System for
... process is due to accumulated thermal energy when a tightly focused laser beam experiences two-photon absorption in only the focal volume. This technology has now been demonstrated in writing refractive corrections directly into live cornea [3] where it is termed IRIS, for intratissue refractive sur ...
... process is due to accumulated thermal energy when a tightly focused laser beam experiences two-photon absorption in only the focal volume. This technology has now been demonstrated in writing refractive corrections directly into live cornea [3] where it is termed IRIS, for intratissue refractive sur ...
The long march of slow photonics
... fractional loss per bit, Lf = cα/ngBb, c being the speed of light, α and ng the attenuation and the group index of the structure, and Bb the pulse (bit) bandwidth. This relation does not depend on the device’s dimensions and type, or on the slow-down factor. The guiding structure with the highest ra ...
... fractional loss per bit, Lf = cα/ngBb, c being the speed of light, α and ng the attenuation and the group index of the structure, and Bb the pulse (bit) bandwidth. This relation does not depend on the device’s dimensions and type, or on the slow-down factor. The guiding structure with the highest ra ...
Fourier Spectra for Non-Homogeneous Patterns
... number, h the water depth, m the bottom slope (m < 0), and the (J the angle between the direction of wave propagation and the bottom gradient. Thus, I "pt is strongly de- ...
... number, h the water depth, m the bottom slope (m < 0), and the (J the angle between the direction of wave propagation and the bottom gradient. Thus, I "pt is strongly de- ...
etx® premier edition
... Maksutov-Cassegrain optics are leading the industry. You get what you pay for. ...
... Maksutov-Cassegrain optics are leading the industry. You get what you pay for. ...
Total internal reflection photonic crystal prism
... The presence of an evanescent field is the signature of near-field optics. There are two main characteristics of these waves that distinguish them from propagating waves. The first is their intensity profile, which exponentially decays away from the source that created them. This means that they are ...
... The presence of an evanescent field is the signature of near-field optics. There are two main characteristics of these waves that distinguish them from propagating waves. The first is their intensity profile, which exponentially decays away from the source that created them. This means that they are ...
CROSS-SECTIONAL SCANNING TUNNELING MICROSCOPY OF
... the electronic structure of the underlying layer. As the InAs QDs are compressively strained in GaAs, the (110) cross section of a QD is likely to be displaced outward due to the relaxation of the materials after the cleavage [3]. Such displacement causes a bright contrast in the STM images in agree ...
... the electronic structure of the underlying layer. As the InAs QDs are compressively strained in GaAs, the (110) cross section of a QD is likely to be displaced outward due to the relaxation of the materials after the cleavage [3]. Such displacement causes a bright contrast in the STM images in agree ...
Chapter 25 - Heartland Community College
... • In its most common form, a repeater converts the signal from optical to electrical energy, then converts it back to optical form • One of the advantages of using digital techniques is the fact that regenerative repeaters can be used • As long as repeaters are spaced closely enough, they can avoid ...
... • In its most common form, a repeater converts the signal from optical to electrical energy, then converts it back to optical form • One of the advantages of using digital techniques is the fact that regenerative repeaters can be used • As long as repeaters are spaced closely enough, they can avoid ...
ATR Accessories: An Overview
... ideal for wet or aqueous samples. Zinc selenide has a similar refractive index to that of diamond, which make it a cost effective alternative for some applications. Silicon: Silicon has a high refractive index which makes it applicable for high absorbing samples. Silicon is also scratch and water re ...
... ideal for wet or aqueous samples. Zinc selenide has a similar refractive index to that of diamond, which make it a cost effective alternative for some applications. Silicon: Silicon has a high refractive index which makes it applicable for high absorbing samples. Silicon is also scratch and water re ...
