Silicon optical modulators - Optoelectronics Research Centre
... The optical bandwidth refers to the useful operational wavelength range of the device. Resonant based devices tend to function over a relatively narrow band in comparison to MZI based modulators and whilst significant footprint savings are obtainable the resultant bandwidth reduction can go from mor ...
... The optical bandwidth refers to the useful operational wavelength range of the device. Resonant based devices tend to function over a relatively narrow band in comparison to MZI based modulators and whilst significant footprint savings are obtainable the resultant bandwidth reduction can go from mor ...
Sheets Mar 2014 - Arab Academy for Science, Technology
... 8] A typical relative refractive index difference for an optical fiber designed for long transmission is 1%. Estimate the NA and the solid acceptance angle in air for the fiber when the core index is 1.46. Further, calculate the critical angle at the core-cladding interface within the fiber. It may ...
... 8] A typical relative refractive index difference for an optical fiber designed for long transmission is 1%. Estimate the NA and the solid acceptance angle in air for the fiber when the core index is 1.46. Further, calculate the critical angle at the core-cladding interface within the fiber. It may ...
Extended Nijboer-Zernike representation of the vector field in the
... The study of the exact field distribution in the focal region of a high numerical aperture optical system attracts much attention due to the numerous applications where highly focused fields are used. We mention the study of biological specimens like living cells, cell nuclei and genetic material usin ...
... The study of the exact field distribution in the focal region of a high numerical aperture optical system attracts much attention due to the numerous applications where highly focused fields are used. We mention the study of biological specimens like living cells, cell nuclei and genetic material usin ...
Use of beam parameters in optical component testing
... specifications. As a result, each item is often passed through a number of tests. Desirable test qualities include precision, accuracy, cost, training requirements, and speed. Many different measures are used to specify the quality of optical components. Optical measurements refer to the effect the ...
... specifications. As a result, each item is often passed through a number of tests. Desirable test qualities include precision, accuracy, cost, training requirements, and speed. Many different measures are used to specify the quality of optical components. Optical measurements refer to the effect the ...
Atmospheric Optics
... we perceive as different colors is approximate, and is slightly different for each person. In this chapter we will use red ≈ 0.7 µm, orange ≈ 0.62 µm, yellow ≈ 0.58 µm, green ≈ 0.53 µm, blue ≈ 0.47 µm, and violet ≈ 0.4 µm wavelength. ...
... we perceive as different colors is approximate, and is slightly different for each person. In this chapter we will use red ≈ 0.7 µm, orange ≈ 0.62 µm, yellow ≈ 0.58 µm, green ≈ 0.53 µm, blue ≈ 0.47 µm, and violet ≈ 0.4 µm wavelength. ...
HERCULES_Neutron_reflectivity
... Fig. 5 shows four scattering length density profiles which would give rise to the same reflectivity within the kinematic approximation of reflection[4]. In practise it is usually possible to distinguish between the a/b and c/d pairs from knowledge of the properties of the bulk media involved, but de ...
... Fig. 5 shows four scattering length density profiles which would give rise to the same reflectivity within the kinematic approximation of reflection[4]. In practise it is usually possible to distinguish between the a/b and c/d pairs from knowledge of the properties of the bulk media involved, but de ...
Design and use of guided mode resonance filters for
... narrow wavelength interval of incident broad band light. They combine a diffractive element with a waveguiding element, and it is the coupling between diffracted light and quasi guided modes that gives rise to the resonant response. The linewidth of the resonance can be tuned by the material and geo ...
... narrow wavelength interval of incident broad band light. They combine a diffractive element with a waveguiding element, and it is the coupling between diffracted light and quasi guided modes that gives rise to the resonant response. The linewidth of the resonance can be tuned by the material and geo ...
Optical and acoustic beam shaping for imaging and
... Figure 6-2 Reflection of the beam with less axial photon momentum by lens. ...
... Figure 6-2 Reflection of the beam with less axial photon momentum by lens. ...
Complex air-structured optical fibre drawn from a 3D
... A structured optical fibre is drawn from a 3D-printed structured preform. Preforms containing a single ring of holes around the core are fabricated using filament made from a modified butadiene polymer. More broadly, 3D printers capable of processing soft glasses, silica and other materials are like ...
... A structured optical fibre is drawn from a 3D-printed structured preform. Preforms containing a single ring of holes around the core are fabricated using filament made from a modified butadiene polymer. More broadly, 3D printers capable of processing soft glasses, silica and other materials are like ...
YZM NI
... 13%, PEG chains contain a negligible amount of water. Since the refractive index of water (1.33) is lower than that of the PEG polymer (1:47),23) as H2 O molecules diffuse out of the PEG brushes from 13 to 16% humidity levels, an increase in the effective index of refraction (n), which is a combinati ...
... 13%, PEG chains contain a negligible amount of water. Since the refractive index of water (1.33) is lower than that of the PEG polymer (1:47),23) as H2 O molecules diffuse out of the PEG brushes from 13 to 16% humidity levels, an increase in the effective index of refraction (n), which is a combinati ...
Get PDF - OSA Publishing
... coatings (Au surface and Au surface Al2 O3 layer) were used to examine the effect of the sensor surface material on the measurement results. After each transfer process, SPR measurements were performed in Kretschmann configuration [see Figs. 1(b) and 1(c)] using a BioNavis MP-SPR Navi 200-L appara ...
... coatings (Au surface and Au surface Al2 O3 layer) were used to examine the effect of the sensor surface material on the measurement results. After each transfer process, SPR measurements were performed in Kretschmann configuration [see Figs. 1(b) and 1(c)] using a BioNavis MP-SPR Navi 200-L appara ...
Achromatic correction of diffractive dispersion in white light SLM
... excluded from the discussion and only the phase-only modulation implemented with linearly polarized light will be considered. In this case, the action of the SLM can be defined by the function t ∝ exp[iΦ(r⊥ , λ0 )], where r⊥ determines the position on an active surface of the SLM and λ0 is the chose ...
... excluded from the discussion and only the phase-only modulation implemented with linearly polarized light will be considered. In this case, the action of the SLM can be defined by the function t ∝ exp[iΦ(r⊥ , λ0 )], where r⊥ determines the position on an active surface of the SLM and λ0 is the chose ...
Replication of Holograms with Corn Syrup by Rubbing
... respect to the non irradiated sample. Figure 2. Absorbance versus wavelength, for a dry corn syrup layer of 10 µm thickness. ...
... respect to the non irradiated sample. Figure 2. Absorbance versus wavelength, for a dry corn syrup layer of 10 µm thickness. ...
genius PHYSICS by Pradeep Kshetrapal Newtons corpuscular
... 2 Wave Optics (iv) Types of wave front ...
... 2 Wave Optics (iv) Types of wave front ...
Laser cooling below the Doppler limit by polarization - ENS-phys
... We first introduce, for a 1-D molasses, two types of polarization gradient (see Section 2). In the first case, which occurs with two counterpropagating waves with opposite (a+ and a-) circular polarizations, the polarization vector rotates when one moves along the standing wave, but it keeps the sam ...
... We first introduce, for a 1-D molasses, two types of polarization gradient (see Section 2). In the first case, which occurs with two counterpropagating waves with opposite (a+ and a-) circular polarizations, the polarization vector rotates when one moves along the standing wave, but it keeps the sam ...
Determination of the transfer function for optical surface topography
... system is also ‘linear in the square of the scattering potential’. Partially coherent systems are inherently more complicated, with image formation no longer describable using an OTF. Instead, the so-called transmission cross-coefficient (TCC) [36, 38] must be defined which describes the attenuation ...
... system is also ‘linear in the square of the scattering potential’. Partially coherent systems are inherently more complicated, with image formation no longer describable using an OTF. Instead, the so-called transmission cross-coefficient (TCC) [36, 38] must be defined which describes the attenuation ...
Nonlinear optics in daily life
... Web of Knowledge, show similar statistics (4%). Some might take this to mean that nonlinear optics has only 5% the impact on life as lasers. This paper will show, however, that a large number of laser applications owe their existence to nonlinear optics, if not always explicitly stated. The impact o ...
... Web of Knowledge, show similar statistics (4%). Some might take this to mean that nonlinear optics has only 5% the impact on life as lasers. This paper will show, however, that a large number of laser applications owe their existence to nonlinear optics, if not always explicitly stated. The impact o ...
Light at work: The use of optical forces for particle manipulation
... should help researchers, especially those working outside of the field, to be inspired by these not yet widespread methods and consider their new applications. The article is organized as follows: in Section 2 we give a brief explanation of the origin of optical forces and how they can be calculated ...
... should help researchers, especially those working outside of the field, to be inspired by these not yet widespread methods and consider their new applications. The article is organized as follows: in Section 2 we give a brief explanation of the origin of optical forces and how they can be calculated ...