Tapered Fiber Fabrication
... set up, an infrared laser beam was focused through a series of three lenses and scanned across the optical fiber using a galvanometer system with a gold-coated mirror suitable for infrared wavelengths. The fiber was held by two clamps attached to two translational stages (NRT150). The stages were op ...
... set up, an infrared laser beam was focused through a series of three lenses and scanned across the optical fiber using a galvanometer system with a gold-coated mirror suitable for infrared wavelengths. The fiber was held by two clamps attached to two translational stages (NRT150). The stages were op ...
Aalborg Universitet
... adiabatic condition reduces to g ≅ l e ′ /(4p Re d ) 1, which is, in practice, met for radii much larger than the light wavelength (Supplementary Fig. S1). These guidelines for achieving nonresonant radiation absorption by adiabatic GSP nanofocusing thus require subwavelength-period arrays of ...
... adiabatic condition reduces to g ≅ l e ′ /(4p Re d ) 1, which is, in practice, met for radii much larger than the light wavelength (Supplementary Fig. S1). These guidelines for achieving nonresonant radiation absorption by adiabatic GSP nanofocusing thus require subwavelength-period arrays of ...
Jonesresub
... Polarization, the vectorial aspect of light, is a core topic in physical optics that is the subject of much fundamental research today. It is an important dimension in studies of light in all of its complexity, as well as in the interaction of light fields with matter. It is also an important compon ...
... Polarization, the vectorial aspect of light, is a core topic in physical optics that is the subject of much fundamental research today. It is an important dimension in studies of light in all of its complexity, as well as in the interaction of light fields with matter. It is also an important compon ...
Julie Cass - Stanford University
... driving the FEL. While the minimum achievable bunch length at LCLS is known to have a value below 10 fs, the precise value remains unknown. Measurement of this parameter requires a mechanism capable of probing pulses shorter than 10 fs, a scale too small to be resolved by existing time domain detect ...
... driving the FEL. While the minimum achievable bunch length at LCLS is known to have a value below 10 fs, the precise value remains unknown. Measurement of this parameter requires a mechanism capable of probing pulses shorter than 10 fs, a scale too small to be resolved by existing time domain detect ...
Optics of Anisotropic Media
... In this chapter we discuss wave propagation in anisotropic media. We shall see that in such media the electric vector of a propagating wave is not in general parallel to its polarization direction – defined by the direction of its electric displacement vector. Further, for propagation of plane waves ...
... In this chapter we discuss wave propagation in anisotropic media. We shall see that in such media the electric vector of a propagating wave is not in general parallel to its polarization direction – defined by the direction of its electric displacement vector. Further, for propagation of plane waves ...
A Survivable Protection and Restoration Scheme using Wavelength
... ( FP-LD) [4] and reflective electro-absorption modulator (R-EAM) [5]. Nonetheless, those schemes either suffer from limited bandwidth capacity and/or performance degradation because of Rayleigh backscattering and other back reflection from centrally distributed light source for upstream transmission ...
... ( FP-LD) [4] and reflective electro-absorption modulator (R-EAM) [5]. Nonetheless, those schemes either suffer from limited bandwidth capacity and/or performance degradation because of Rayleigh backscattering and other back reflection from centrally distributed light source for upstream transmission ...
Large-Scale Optical-Field Measurements with Geometric Fibre Constructs
... various electromechanical sensors/actuators to acoustic and non-linear optical devices. A piezoelectric material undergoes a change in electrical polarization in response to mechanical stress, and vice versa. Piezoelectric ceramics, or perovskite-type metal oxides (e.g. PbZr1-xTixO3 or PZT, BaTiO3, ...
... various electromechanical sensors/actuators to acoustic and non-linear optical devices. A piezoelectric material undergoes a change in electrical polarization in response to mechanical stress, and vice versa. Piezoelectric ceramics, or perovskite-type metal oxides (e.g. PbZr1-xTixO3 or PZT, BaTiO3, ...
AOA Seal of Certification and Acceptance
... were also offered free vision screenings and given lens cleaning cloths and information about the Transitions® family of products, particularly the recently introduced Transitions® Signature™ lenses. Clear eyeglass wearers also received Transitions® Trial Decals™ so that they could discover what it’ ...
... were also offered free vision screenings and given lens cleaning cloths and information about the Transitions® family of products, particularly the recently introduced Transitions® Signature™ lenses. Clear eyeglass wearers also received Transitions® Trial Decals™ so that they could discover what it’ ...
Composite THz materials using aligned metallic
... fabrication techniques, however, their potential for the large scale production of THz metamaterials is still under investigation. In this paper we describe a novel method for the fabrication of THz metamaterial films via fiber drawing and subsequent pressing of the metallic or dielectric microwire ...
... fabrication techniques, however, their potential for the large scale production of THz metamaterials is still under investigation. In this paper we describe a novel method for the fabrication of THz metamaterial films via fiber drawing and subsequent pressing of the metallic or dielectric microwire ...
Wavefront control of UV narrow bandpass filters prepared
... Post deposition annealing was done at temperatures ranging from 120oC to 300oC. A slow annealing process was employed, in which the filter was annealed overnight (~10 hours) at a predefined temperature, with a few oC/min ramp rate for heating and cooling. The selection of the annealing time and slow ...
... Post deposition annealing was done at temperatures ranging from 120oC to 300oC. A slow annealing process was employed, in which the filter was annealed overnight (~10 hours) at a predefined temperature, with a few oC/min ramp rate for heating and cooling. The selection of the annealing time and slow ...
JASA_2012 - Institut Langevin
... pulse can be short and the acoustic waves excited can be detected locally, even if the surface is curved. Moreover, the emission and detection bandwidths can be larger than 20 MHz, thereby providing high spatial and temporal resolutions. It has been shown that LBU is an efficient tool for studying t ...
... pulse can be short and the acoustic waves excited can be detected locally, even if the surface is curved. Moreover, the emission and detection bandwidths can be larger than 20 MHz, thereby providing high spatial and temporal resolutions. It has been shown that LBU is an efficient tool for studying t ...
The Influence of a Nanometric Layer with a High Refracting Index on
... of thin dielectric layers narrowed at their ends, deposited on definite surfaces of planar waveguides [5–10]. The reduced parts of the layer play the role of couplers, which have to introduce into the composite structure as much optical power as possible. Such a structure is based on a planar wavegu ...
... of thin dielectric layers narrowed at their ends, deposited on definite surfaces of planar waveguides [5–10]. The reduced parts of the layer play the role of couplers, which have to introduce into the composite structure as much optical power as possible. Such a structure is based on a planar wavegu ...
Luminescence properties of a Fibonacci photonic
... random function Σ . Comparison between theoretical and experimental data was carried out by fitting theoretical reflection curves to the experiment adjusting layer thicknesses, and then using the obtained parameters to calculate the luminescence spectra without any additional fitting. In the light o ...
... random function Σ . Comparison between theoretical and experimental data was carried out by fitting theoretical reflection curves to the experiment adjusting layer thicknesses, and then using the obtained parameters to calculate the luminescence spectra without any additional fitting. In the light o ...
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... found that even a single layer of these materials can give sufficient, albeit feeble, contrast to allow a successful identification of a few micron-sized crystallites among thicker flakes scattered around them. We have calculated the contrast of few InSe single layers exfoliated onto SiO2/Si substra ...
... found that even a single layer of these materials can give sufficient, albeit feeble, contrast to allow a successful identification of a few micron-sized crystallites among thicker flakes scattered around them. We have calculated the contrast of few InSe single layers exfoliated onto SiO2/Si substra ...
Download PDF
... In summary, the scattering-phase theorem connects the phase image of a thin tissue slice to the scattering properties of the tissue. Note that the tissue can be mapped in terms of ls and g values that are averaged over patches of area S. While this remarkable result may seem counterintuitive, its ph ...
... In summary, the scattering-phase theorem connects the phase image of a thin tissue slice to the scattering properties of the tissue. Note that the tissue can be mapped in terms of ls and g values that are averaged over patches of area S. While this remarkable result may seem counterintuitive, its ph ...
Digital High-Speed Optical Systems Interconnections for
... when repeaters are spaced at maximum distances. With the shon-distance and small.signal-loss characteristics of most interconnection applications, the cost and complexity oftypical telecommunication systems can be sub· stantially reduced, especially if very efficient lasers and d~tectors are used. M ...
... when repeaters are spaced at maximum distances. With the shon-distance and small.signal-loss characteristics of most interconnection applications, the cost and complexity oftypical telecommunication systems can be sub· stantially reduced, especially if very efficient lasers and d~tectors are used. M ...
Relation between nonlinear refractive index and
... signal regeneration, and high-speed demultiplexing would be performed all-optically through the use of thirdorder optical nonlinearities. Thus, in recent years, thirdorder nonlinearities have been studied experimentally in a large variety of artificial materials, which include homogeneous bulk glass ...
... signal regeneration, and high-speed demultiplexing would be performed all-optically through the use of thirdorder optical nonlinearities. Thus, in recent years, thirdorder nonlinearities have been studied experimentally in a large variety of artificial materials, which include homogeneous bulk glass ...
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... with encouraging results,10 and basic concepts of wave propagation such as Snell’s law or diffraction from an edge have been experimentally verified.11,12 One important area in this field is the study of multiple-layered dif0740-3232/2001/040821-10$15.00 ...
... with encouraging results,10 and basic concepts of wave propagation such as Snell’s law or diffraction from an edge have been experimentally verified.11,12 One important area in this field is the study of multiple-layered dif0740-3232/2001/040821-10$15.00 ...
Guided photoluminescence study of Nd
... Optical losses were measured by studying the scattered light from the surface of the planar waveguide [24-26]. Laser light was microlensed fiber-coupled into the waveguide. The intensity of the scattered light was recorded with a digital camera placed above the sample. Transverse scanning along the ...
... Optical losses were measured by studying the scattered light from the surface of the planar waveguide [24-26]. Laser light was microlensed fiber-coupled into the waveguide. The intensity of the scattered light was recorded with a digital camera placed above the sample. Transverse scanning along the ...
Using the Spectrophotometer
... • making dilutions. Underlying Science Basic principles of spectrophotometry An absorbance spectrophotometer is an instrument that measures the fraction of the incident light transmitted through a solution. In other words it they are used to measure the amount of light that passes through a sample m ...
... • making dilutions. Underlying Science Basic principles of spectrophotometry An absorbance spectrophotometer is an instrument that measures the fraction of the incident light transmitted through a solution. In other words it they are used to measure the amount of light that passes through a sample m ...
Spider Silk: The Mother Nature`s Biological Superlens
... microscopy [2], Pendry-Veselago negative index superlens [3], and Super-oscillatory lens [4]. Although successful at nano imaging, these techniques are at present, restricted to narrow band wavelengths. This makes super-resolution imaging under white-light complicated and difficult to accomplish. Ho ...
... microscopy [2], Pendry-Veselago negative index superlens [3], and Super-oscillatory lens [4]. Although successful at nano imaging, these techniques are at present, restricted to narrow band wavelengths. This makes super-resolution imaging under white-light complicated and difficult to accomplish. Ho ...
Optical Metrology - Bogazici University Physics Department
... to obtain interference pattern Single source with a 2x2 fiber coupler ...
... to obtain interference pattern Single source with a 2x2 fiber coupler ...
Controlling Chemical Reactions by Short, Intense Mid
... polarized pulses with a maximum field strength of 0.06 au can be compared to linearly polarized pulses averaged over ϕ = 0−360°. The yield of H and HCl+ is much less for linear polarized light than for circularly polarized light with the same maximum field strength. The field strength for the linear po ...
... polarized pulses with a maximum field strength of 0.06 au can be compared to linearly polarized pulses averaged over ϕ = 0−360°. The yield of H and HCl+ is much less for linear polarized light than for circularly polarized light with the same maximum field strength. The field strength for the linear po ...
Mueller matrix formalism I : ... numerical code when considering the Analysis of Generalized
... successive iterations and both, the entrance and the exit matrices. To carry out spectroscopic calculations all the process must be repeated for each wavelength within a given spectral range. From our prior analysis we deduce the generalized ellipsometric parameters, the Jones matrix and Mueller mat ...
... successive iterations and both, the entrance and the exit matrices. To carry out spectroscopic calculations all the process must be repeated for each wavelength within a given spectral range. From our prior analysis we deduce the generalized ellipsometric parameters, the Jones matrix and Mueller mat ...