de Sénarmont Bias Retardation in DIC Microscopy Introduction
... prism is imaged by the condenser and objective lens assemblies onto the objective prism so that wavefront shear between orthogonal wavefronts is matched at every point along the surface of the prisms, which are inverted with respect to one another. Translating either prism along the shear axis (perp ...
... prism is imaged by the condenser and objective lens assemblies onto the objective prism so that wavefront shear between orthogonal wavefronts is matched at every point along the surface of the prisms, which are inverted with respect to one another. Translating either prism along the shear axis (perp ...
Measuring amplitude and phase of light emerging from
... 1. INTRODUCTION Diffraction gratings and Talbot effects are intensively studied both in theoretical and experimental ways. However, the period or the size of the examined grating is relatively large because high-resolution measurement systems are required for fine gratings when periods become compar ...
... 1. INTRODUCTION Diffraction gratings and Talbot effects are intensively studied both in theoretical and experimental ways. However, the period or the size of the examined grating is relatively large because high-resolution measurement systems are required for fine gratings when periods become compar ...
I. Results from Prior NSF Support
... Long term visitors/collaborators who worked on this project during the grant period included Winthrop Smith (University of Connecticut), Herb Bernstein (Hampshire College) and Jana Lehner (University of Ulm). During the current grant period, the PI was elected to the National Academy of Science and ...
... Long term visitors/collaborators who worked on this project during the grant period included Winthrop Smith (University of Connecticut), Herb Bernstein (Hampshire College) and Jana Lehner (University of Ulm). During the current grant period, the PI was elected to the National Academy of Science and ...
Effects of atmospheric turbulence on remote optimal control
... which essentially maintain the spectral and temporal properties of the original pulse. The degree of alteration anticipated for actual atmospheric propagation 共⬍6 % 兲 does not constitute an overwhelming limitation but it is a factor to take into account to design robust remote control applications. ...
... which essentially maintain the spectral and temporal properties of the original pulse. The degree of alteration anticipated for actual atmospheric propagation 共⬍6 % 兲 does not constitute an overwhelming limitation but it is a factor to take into account to design robust remote control applications. ...
How laser works
... amplifier, they vibrate coherently with the same frequency and direction. In essence, the photons "clone" themselves, creating a perfect copy of the first photon. Coherence causes the light to shine in a beam that is extremely bright and straight, familiar to anyone who has used a laser pointer. The ...
... amplifier, they vibrate coherently with the same frequency and direction. In essence, the photons "clone" themselves, creating a perfect copy of the first photon. Coherence causes the light to shine in a beam that is extremely bright and straight, familiar to anyone who has used a laser pointer. The ...
An optical leaky wave antenna with Si perturbations inside a
... spatial harmonic [4] with wavenumber k x , −1 = β −1 + i α , with β −1 = β 0 − 2π / d where β 0 is the fundamental wavenumber in the perturbed waveguide. When using small perturbations the value of β 0 is close to that of the mode wavenumber β in the unperturbed (i.e., without Si perturbations) wave ...
... spatial harmonic [4] with wavenumber k x , −1 = β −1 + i α , with β −1 = β 0 − 2π / d where β 0 is the fundamental wavenumber in the perturbed waveguide. When using small perturbations the value of β 0 is close to that of the mode wavenumber β in the unperturbed (i.e., without Si perturbations) wave ...
Microscopy Overview
... principle of equivalence. This property is based on the principle of reciprocity, which is a very general physical law that holds even with diffraction, absorption, multiple scattering and stray light. The principle of equivalence is generally valid except if there are non-reciprocal magnetic or pol ...
... principle of equivalence. This property is based on the principle of reciprocity, which is a very general physical law that holds even with diffraction, absorption, multiple scattering and stray light. The principle of equivalence is generally valid except if there are non-reciprocal magnetic or pol ...
Two-Color Two-Photon Excitation Using Femtosecond Laser Pulses
... fluorescence intensity is also investigated. As shown in Figure 7, a change from two parallel polarized photons (r ls b ls) to two perpendicular photons (r ls b lp) results in a reduction of fluorescence intensity to approximately 40% of the parallel case. For excitation with two circular polarized ...
... fluorescence intensity is also investigated. As shown in Figure 7, a change from two parallel polarized photons (r ls b ls) to two perpendicular photons (r ls b lp) results in a reduction of fluorescence intensity to approximately 40% of the parallel case. For excitation with two circular polarized ...
chapter 3 growth of triglycine zinc chloride crystal and
... stretching and CH2 rocking, and 490 cm-1 is due to Zn-N asymmetric stretching (Balakrishnan and Ramamurthi 2008). This observation confirms that glycine exists in zwitterionic form. ...
... stretching and CH2 rocking, and 490 cm-1 is due to Zn-N asymmetric stretching (Balakrishnan and Ramamurthi 2008). This observation confirms that glycine exists in zwitterionic form. ...
Additional sample assessment material - Unit 1 Principles
... Period 3 elements bond with oxygen to form oxides. The type of bonding in these oxides depends on the electronegativity of each element in the oxide. The table shows the electronegativity of some period 3 elements, as well as for oxygen. ...
... Period 3 elements bond with oxygen to form oxides. The type of bonding in these oxides depends on the electronegativity of each element in the oxide. The table shows the electronegativity of some period 3 elements, as well as for oxygen. ...
evanescent wave based biosensors
... decays exponentially (rather than sinusoidally) with distance from the interface at which they are formed. Evanescent waves are formed when sinusoidal waves are (internally) reflected off an interface at an angle greater than the critical angle so that total internal reflection occurs. The colors in ...
... decays exponentially (rather than sinusoidally) with distance from the interface at which they are formed. Evanescent waves are formed when sinusoidal waves are (internally) reflected off an interface at an angle greater than the critical angle so that total internal reflection occurs. The colors in ...
Development of electric currents in a magnetic field configuration
... field. The currents should satisfy ∇ · J = 0, hence, perpendicular currents might connect to return currents to close the current system. The currents propagate along the field lines at the local Alfvén speed, following the perturbations of the magnetic field. It is known that fast-mode waves can al ...
... field. The currents should satisfy ∇ · J = 0, hence, perpendicular currents might connect to return currents to close the current system. The currents propagate along the field lines at the local Alfvén speed, following the perturbations of the magnetic field. It is known that fast-mode waves can al ...
Optical Phonon Interacting with Electrons in Carbon Nanotubes
... the lowest order approximation. The real part of the self-energy gives an energy shift and the imaginary part provides a lifetime. As is expected, the most important feature comes from the bands in the vicinity of the Fermi level. In metallic nanotubes a narrow gap can open due to effects of a finite ...
... the lowest order approximation. The real part of the self-energy gives an energy shift and the imaginary part provides a lifetime. As is expected, the most important feature comes from the bands in the vicinity of the Fermi level. In metallic nanotubes a narrow gap can open due to effects of a finite ...
Aalborg Universitet Near-field electrospinning of dielectric-loaded surface plasmon polariton waveguides
... plasmons. Various waveguiding structures for surface plasmons, fabricated with different techniques, such as metal stripes [3–5] and v-grooves [6,7] have already been investigated. The strong lateral confinement can be also achieved by depositing polymer stripes on a metal surface and using them as ...
... plasmons. Various waveguiding structures for surface plasmons, fabricated with different techniques, such as metal stripes [3–5] and v-grooves [6,7] have already been investigated. The strong lateral confinement can be also achieved by depositing polymer stripes on a metal surface and using them as ...
Article PDF - IOPscience
... The spectrum of the transient as characterized by its hardness ratio is softer than that of SMC X-1; the average value was 1.14 H 0.02 compared to 1.36 H 0.01 for SMC X-1 in the 1991 observation of the uneclipsed pulsar. To characterize the spectrum in more detail, we fitted the PHD of the 1992 data ...
... The spectrum of the transient as characterized by its hardness ratio is softer than that of SMC X-1; the average value was 1.14 H 0.02 compared to 1.36 H 0.01 for SMC X-1 in the 1991 observation of the uneclipsed pulsar. To characterize the spectrum in more detail, we fitted the PHD of the 1992 data ...
Measurement of Orbital Angular Momentum in Optical
... Both spin and orbital angular momentum of light have been used for rotation in optical tweezers.2–5 Spin angular momentum, due to the polarisation of light, offers a maximum torque efficiency of 2h̄ per photon.6, 7 The spin component has been used to rotate both elongated and birefringent particles8–12 ...
... Both spin and orbital angular momentum of light have been used for rotation in optical tweezers.2–5 Spin angular momentum, due to the polarisation of light, offers a maximum torque efficiency of 2h̄ per photon.6, 7 The spin component has been used to rotate both elongated and birefringent particles8–12 ...
