Conjugated gammadion chiral metamaterial with uniaxial optical
... The most interesting region is around η = 0, which will give the “pure” optical activity effect (i.e., for the linearly polarized incident wave, the transmission wave will still be linearly polarized, just with the polarization plane rotated by an angle of θ ). This design possesses very strong opti ...
... The most interesting region is around η = 0, which will give the “pure” optical activity effect (i.e., for the linearly polarized incident wave, the transmission wave will still be linearly polarized, just with the polarization plane rotated by an angle of θ ). This design possesses very strong opti ...
Calibration of Optical Tweezers
... of the dichroic mirror is used to view the optical trap. The sample slide is mounted onto X-Y-Z stages that allow us to bring the sample into focus and drag the trapped particles through the medium. National Instrument’s Vision Assistant software is used to record and analyze live image-feeds obtain ...
... of the dichroic mirror is used to view the optical trap. The sample slide is mounted onto X-Y-Z stages that allow us to bring the sample into focus and drag the trapped particles through the medium. National Instrument’s Vision Assistant software is used to record and analyze live image-feeds obtain ...
Journal of Modern Optics Slow and fast light: fundamentals and
... where n is the refractive (phase) index and ! is the angular frequency of the carrier wave of the light field. One refers to light as being slow light for vg c, fast light for vg 4 c [15], and backwards light for vg negative. Extreme values of the group velocity (that is, vg appreciably different ...
... where n is the refractive (phase) index and ! is the angular frequency of the carrier wave of the light field. One refers to light as being slow light for vg c, fast light for vg 4 c [15], and backwards light for vg negative. Extreme values of the group velocity (that is, vg appreciably different ...
The effect of detector size on the signal-to
... A confocal microscope may be converted into a polarization-sensitive instrument merely by placing a polar in the illumination path and a suitably crossed analyser in the detection path. The confocal microscope is particularly suitable for polarised light studies since it possesses an infinite extinc ...
... A confocal microscope may be converted into a polarization-sensitive instrument merely by placing a polar in the illumination path and a suitably crossed analyser in the detection path. The confocal microscope is particularly suitable for polarised light studies since it possesses an infinite extinc ...
A Project Report on- *OPTICAL FIBRE CABLE*
... Because the infrared light used in communications can not be seen, there is a potential laser safety hazard to technicians. In some cases the power levels are high enough to damage eyes, particularly when lenses or microscopes are used to inspect fibers which are inadvertently emitting invisible IR. ...
... Because the infrared light used in communications can not be seen, there is a potential laser safety hazard to technicians. In some cases the power levels are high enough to damage eyes, particularly when lenses or microscopes are used to inspect fibers which are inadvertently emitting invisible IR. ...
Optical Materials for LWIR Applications
... temperatures in the -30 to 90 °C range have peak emittance in the LWIR. One major limitation optical engineers face when designing imaging systems for the LWIR is the lack of available optical materials. An engineer designing a visible system has hundreds of different materials at his/her disposal w ...
... temperatures in the -30 to 90 °C range have peak emittance in the LWIR. One major limitation optical engineers face when designing imaging systems for the LWIR is the lack of available optical materials. An engineer designing a visible system has hundreds of different materials at his/her disposal w ...
X-ray Optics - Studentportalen
... A schematic multilayer structure and a typical measured reflectivity spectrum. Layer A usually consists of a strongly absorbing material (metal). Layer B is a spacer made of a low-density material. ...
... A schematic multilayer structure and a typical measured reflectivity spectrum. Layer A usually consists of a strongly absorbing material (metal). Layer B is a spacer made of a low-density material. ...
Influence of polarization direction, incidence angle, and geometry on
... the LFF decreases from ∼3.7777 at ε1 = 1 to ∼ 2.4082 at ε1 = 5. The increased ε1 should reduce the induced charge in the inner surface of the Au shell, which leads to the decreased near field.[24] Finally, we discuss the state when the polarization direction is parallel to the incidence plane. When ζ ...
... the LFF decreases from ∼3.7777 at ε1 = 1 to ∼ 2.4082 at ε1 = 5. The increased ε1 should reduce the induced charge in the inner surface of the Au shell, which leads to the decreased near field.[24] Finally, we discuss the state when the polarization direction is parallel to the incidence plane. When ζ ...
PDF
... as it propagates through the fiber (unless care is taken to align the polarization of the injected light with respect to the principal axes of the birefringence). Polarization-maintaining (PM) fibers are designed to include birefringence in a particular axis of the fiber. By including a well-defined ...
... as it propagates through the fiber (unless care is taken to align the polarization of the injected light with respect to the principal axes of the birefringence). Polarization-maintaining (PM) fibers are designed to include birefringence in a particular axis of the fiber. By including a well-defined ...
The optics and performance of dual-focus fluorescence correlation
... close to the infinite dilution limit. However, as pointed out in numerous publications, conventional single-focus FCS suffers from its sensitivity to a wide array of optical and photophysical factors such as laser beam quality, cover-slide thickness variation, refractive index mismatch, or optical s ...
... close to the infinite dilution limit. However, as pointed out in numerous publications, conventional single-focus FCS suffers from its sensitivity to a wide array of optical and photophysical factors such as laser beam quality, cover-slide thickness variation, refractive index mismatch, or optical s ...
PDF
... different OAM states. Besides its application in quantum information for high-dimensional entanglement [2], OAM has recently drawn significant attention for a wide range of classical applications such as high-capacity optical communications [3,4] and optical micromanipulations [5]. While free-space ...
... different OAM states. Besides its application in quantum information for high-dimensional entanglement [2], OAM has recently drawn significant attention for a wide range of classical applications such as high-capacity optical communications [3,4] and optical micromanipulations [5]. While free-space ...
Measurement of radiation-pressure
... with microwave resonator readouts 关12兴 and in optical microcavities 关13兴. Kippenberg et al. observed PIs in ultrahighQ toroidal optical microcavities, at frequencies of 4.4– 49.8 MHz and modal masses of 10−8 – 10−9 kg. Enhancement or reduction of the damping of a microlever at a similar mass scale h ...
... with microwave resonator readouts 关12兴 and in optical microcavities 关13兴. Kippenberg et al. observed PIs in ultrahighQ toroidal optical microcavities, at frequencies of 4.4– 49.8 MHz and modal masses of 10−8 – 10−9 kg. Enhancement or reduction of the damping of a microlever at a similar mass scale h ...
Cloaking at Optical Frequencies - Cornell ECE
... operating in the optical regime. The cloak operates at a wide bandwidth and conceals a deformation on a flat reflecting surface, under which an object can be hidden. The device is composed of nanometer size silicon structures with spatially varying densities across the cloak. The density variation i ...
... operating in the optical regime. The cloak operates at a wide bandwidth and conceals a deformation on a flat reflecting surface, under which an object can be hidden. The device is composed of nanometer size silicon structures with spatially varying densities across the cloak. The density variation i ...
Polarization Model at 60 GHz
... Polarization Description Using Jones Vector • Wave polarization can be described using Jones calculus introduced in optics to describe polarized light. In general case Jones vector is composed from two components of electric filed of EM wave. • The Jones vector e is defined as the normalized two-dim ...
... Polarization Description Using Jones Vector • Wave polarization can be described using Jones calculus introduced in optics to describe polarized light. In general case Jones vector is composed from two components of electric filed of EM wave. • The Jones vector e is defined as the normalized two-dim ...
Lab 7: Fabry-Perot Interferometer
... successive sets of peaks in the transmitted spectrum. The resolving power of the device tells us the minimum difference between two wavelengths that can be distinguished. We will use the Rayleigh criterion to define this property. The criterion states that the separation of the peaks corresponding t ...
... successive sets of peaks in the transmitted spectrum. The resolving power of the device tells us the minimum difference between two wavelengths that can be distinguished. We will use the Rayleigh criterion to define this property. The criterion states that the separation of the peaks corresponding t ...
Reflection properties, anomalous group velocity and negative
... In recent years, Photonic Crystal structures are the subject of intensive and widespread study because they can control the propagation of electromagnetic waves in a ways that conventional optics cannot [1-3]. Photonic Crystal, also known as Photonic Band Gap Material (PBG), are periodic arrangement ...
... In recent years, Photonic Crystal structures are the subject of intensive and widespread study because they can control the propagation of electromagnetic waves in a ways that conventional optics cannot [1-3]. Photonic Crystal, also known as Photonic Band Gap Material (PBG), are periodic arrangement ...
Gaussian Beam Propagation Code - LAS
... With 2 x 2 ABCD Matrices only well aligned optical systems can be analyzed. However, for many purposes the analysis of small misalignment is interesting. This feature has not been implemented yet the LASCAD program, but it is under development, and will be available within the next months. ...
... With 2 x 2 ABCD Matrices only well aligned optical systems can be analyzed. However, for many purposes the analysis of small misalignment is interesting. This feature has not been implemented yet the LASCAD program, but it is under development, and will be available within the next months. ...
26 - Journal of Optoelectronics and Advanced Materials
... Institute of Photovoltaics, Research Center Jülich, D-52425 Jülich, Germany Length measurement with nm-accuracy can be carried out by means of a new phase selective partly transparent detector (PSTD). The working principle bases on the sampling of a standing wave created in front of a movable mirror ...
... Institute of Photovoltaics, Research Center Jülich, D-52425 Jülich, Germany Length measurement with nm-accuracy can be carried out by means of a new phase selective partly transparent detector (PSTD). The working principle bases on the sampling of a standing wave created in front of a movable mirror ...
Optical properties of the human tissue
... This method includes inverse adding-doubling (IAD) method developed by Prahl et al (Prahl S.A., et al. // Appl. Opt., 1993, Vol. 32(4), P. 559-568) and inverse Monte Carlo simulations. The IAD method is widely used in tissue optics for processing the experimental data of spectrophotometry with integ ...
... This method includes inverse adding-doubling (IAD) method developed by Prahl et al (Prahl S.A., et al. // Appl. Opt., 1993, Vol. 32(4), P. 559-568) and inverse Monte Carlo simulations. The IAD method is widely used in tissue optics for processing the experimental data of spectrophotometry with integ ...
Nondiffracting Light Beams for Long Ranges
... in free space using a transmission telescope of 10 cm diameter and a beam monitoring telescope of 50 cm diameter, we observed an unusual image with a striped pattern due to atmospheric back-scattering of the laser beam. The image provided an opportunity to examine this effect and found out the LRNB. ...
... in free space using a transmission telescope of 10 cm diameter and a beam monitoring telescope of 50 cm diameter, we observed an unusual image with a striped pattern due to atmospheric back-scattering of the laser beam. The image provided an opportunity to examine this effect and found out the LRNB. ...
Direct measurement of standing evanescent waves with a photon
... that make it possible to record optical images of surfaces with visible light at a spatial resolution well below Abb6's diffraction limit of about half of a wavelength. One can achieve this by raster scanning a small aperture of subwavelength diameter in close proximity over the sample surface. Eith ...
... that make it possible to record optical images of surfaces with visible light at a spatial resolution well below Abb6's diffraction limit of about half of a wavelength. One can achieve this by raster scanning a small aperture of subwavelength diameter in close proximity over the sample surface. Eith ...
Polarized Light Assessment of Complex Turbid
... formidable challenges. Multiple scattering causes extensive depolarization that confounds the established techniques. Further, even if some residual polarization signal can be measured, multiple scattering also alters the polarization state, for example by scattering-induced diattenuation and by sca ...
... formidable challenges. Multiple scattering causes extensive depolarization that confounds the established techniques. Further, even if some residual polarization signal can be measured, multiple scattering also alters the polarization state, for example by scattering-induced diattenuation and by sca ...
measurement of three-dimensional temperature fields
... and later illuminated by L~,(s. -_).it acts as a complex diffraction grating from which emanates a fully detailed replica of I;,(s. 2). The reader may refer to monographs such as that by Collier, Burckhardt and Lin [ 121 for a detailed account of optical holography. Since the holographic recording p ...
... and later illuminated by L~,(s. -_).it acts as a complex diffraction grating from which emanates a fully detailed replica of I;,(s. 2). The reader may refer to monographs such as that by Collier, Burckhardt and Lin [ 121 for a detailed account of optical holography. Since the holographic recording p ...