Final report
... Figure 11: Optical coupling between two co-propagating waveguides. ....................................... 24 Figure 12: Effective index of fundamental mode for different of silica and silk fibre sizes. ....... 25 Figure 13: Electric field profile of some higher order modes in silk fibres. ......... ...
... Figure 11: Optical coupling between two co-propagating waveguides. ....................................... 24 Figure 12: Effective index of fundamental mode for different of silica and silk fibre sizes. ....... 25 Figure 13: Electric field profile of some higher order modes in silk fibres. ......... ...
by ZHAOBING TIAN
... Fig. 3.12 LP1m modes in Corning SMF-28............................................................................. 46 Fig. 3.13 Connector-offset attenuator attenuation for different wavelength .......................... 46 Fig. 3.14 Different configurations of Mach-Zehnder interferometer .......... ...
... Fig. 3.12 LP1m modes in Corning SMF-28............................................................................. 46 Fig. 3.13 Connector-offset attenuator attenuation for different wavelength .......................... 46 Fig. 3.14 Different configurations of Mach-Zehnder interferometer .......... ...
Design and Analysis of Integrated Optical Waveguide Structures and
... This thesis describes the design, fabrication and analysis of high-refractive-index-contrast (∆n) photonic structures. Besides silicon nitride (Si3N4) strip waveguides, lateral tapers, bended waveguides, two-dimensional photonic crystals (PhCs) the focus lies on monolithically integrated waveguide b ...
... This thesis describes the design, fabrication and analysis of high-refractive-index-contrast (∆n) photonic structures. Besides silicon nitride (Si3N4) strip waveguides, lateral tapers, bended waveguides, two-dimensional photonic crystals (PhCs) the focus lies on monolithically integrated waveguide b ...
NGAO NGS WFS design review - Caltech Optical Observatories
... • Point actuators are mapped onto >4 um RMS dia. Blobs [compare to influence function of an actuator]. • Chromatic effects make this blob as big as 12um (RMS) [compare to influence function of an actuator]. • Need to model chromatic effects all the way from the field points on the primary mirror wit ...
... • Point actuators are mapped onto >4 um RMS dia. Blobs [compare to influence function of an actuator]. • Chromatic effects make this blob as big as 12um (RMS) [compare to influence function of an actuator]. • Need to model chromatic effects all the way from the field points on the primary mirror wit ...
Modal Analysis and Controls Laboratory
... signals as the laser is swept across a wavelength range is recorded on two detectors, labeled S and P. A Fourier transform of these detected signals yields the amplitude and phase of the reflected light as a function of delay along the fiber. A second (trigger) interferometer with a known delay is u ...
... signals as the laser is swept across a wavelength range is recorded on two detectors, labeled S and P. A Fourier transform of these detected signals yields the amplitude and phase of the reflected light as a function of delay along the fiber. A second (trigger) interferometer with a known delay is u ...
pdf file
... We set it as a constant independent of frequency for simplicity of calculations. Since this value approximately corresponds to the maximum absorption coefficient in the frequency region below 2.5 THz, it may be an overestimate. The strong absorption in the phonon resonance region around 5.3 THz was ...
... We set it as a constant independent of frequency for simplicity of calculations. Since this value approximately corresponds to the maximum absorption coefficient in the frequency region below 2.5 THz, it may be an overestimate. The strong absorption in the phonon resonance region around 5.3 THz was ...
Coupling effect between two adjacent chiral structure layers
... metamaterials are composed of continuous metallic wires and split ring resonators (SRRs) [4,5]. It is found recently that SRRs can even be used to enhance the transmission of electromagnetic waves through a subwavelength aperture [6] from which beaming effect can be generated [7,8]. Since Pendry pro ...
... metamaterials are composed of continuous metallic wires and split ring resonators (SRRs) [4,5]. It is found recently that SRRs can even be used to enhance the transmission of electromagnetic waves through a subwavelength aperture [6] from which beaming effect can be generated [7,8]. Since Pendry pro ...
1 - Foundation for Research and Technology
... The field of electromagnetic metamaterials is driven by fascinating and far-reaching theoretical visions such as, e.g., perfect lenses, invisibility cloaking, and enhanced nonlinearities. This emerging field has seen spectacular experimental progress in recent years. Yet, two major challenge remains ...
... The field of electromagnetic metamaterials is driven by fascinating and far-reaching theoretical visions such as, e.g., perfect lenses, invisibility cloaking, and enhanced nonlinearities. This emerging field has seen spectacular experimental progress in recent years. Yet, two major challenge remains ...
light sources for optical fibers
... These waves, a combination of electric and magnetic fields, which can propagate through a vacuum, have as their most distinguishing features their wavelength and frequency of oscillation. The range of wavelengths for visible light is from about 400 nanometers (nm) to about 700 nm. (A nanometer is on ...
... These waves, a combination of electric and magnetic fields, which can propagate through a vacuum, have as their most distinguishing features their wavelength and frequency of oscillation. The range of wavelengths for visible light is from about 400 nanometers (nm) to about 700 nm. (A nanometer is on ...
Doctorat doc
... excellent hosts for rare earth elements. As a result, there are many applications for optical fibers, such as low loss repeater-less links for long distance telecommunications, fiber lasers and amplifiers, as well as infrared laser power delivery. More recently, there has been interest in using fluo ...
... excellent hosts for rare earth elements. As a result, there are many applications for optical fibers, such as low loss repeater-less links for long distance telecommunications, fiber lasers and amplifiers, as well as infrared laser power delivery. More recently, there has been interest in using fluo ...
laser-based fibre-optic sensor for measurement of surface properties
... travels through an optical fibre Optical power, I, is measured in Watts Attenuation, A, is described in equation 2 8 below, relates input optical power, I0, to optical power at a distance z, Iz Attenuation is commonly expressed in units o f decibels per kilometre (dB/km) for optical fibres Attenuati ...
... travels through an optical fibre Optical power, I, is measured in Watts Attenuation, A, is described in equation 2 8 below, relates input optical power, I0, to optical power at a distance z, Iz Attenuation is commonly expressed in units o f decibels per kilometre (dB/km) for optical fibres Attenuati ...
Enhanced 3D spatial resolution in quantitative phase
... a relatively simple interpretation of the measurement, but the drawback is that it also genarates speckle distribution in the images. Only a few techniques can deal with a low temporal coherent source [6,7,9,11,13,15,17] or with a partially spatially incoherent illumination (SII) [5,10,15– 17] witho ...
... a relatively simple interpretation of the measurement, but the drawback is that it also genarates speckle distribution in the images. Only a few techniques can deal with a low temporal coherent source [6,7,9,11,13,15,17] or with a partially spatially incoherent illumination (SII) [5,10,15– 17] witho ...
Magneto-optical Kerr effect (MOKE)
... Ellipsometry II experimental setup provides spectra of Ψ, ∆ those spectra are fitted into optical model, where various parameters can be free parameters in the fit (but not all at the same fit): optical constants of a given layer (can be further described by a various functions) layer thicknesses in ...
... Ellipsometry II experimental setup provides spectra of Ψ, ∆ those spectra are fitted into optical model, where various parameters can be free parameters in the fit (but not all at the same fit): optical constants of a given layer (can be further described by a various functions) layer thicknesses in ...
Modeling and simulation of surface profile forming process of
... Free space micro-optical systems require to integrate microlens array, micromirrors, optical waveguides, beam splitter, etc. on a single substrate. Out-of-plane microlens array fabricated by direct lithography provides pre-alignment during mask fabrication stage and has the advantage of mass manufac ...
... Free space micro-optical systems require to integrate microlens array, micromirrors, optical waveguides, beam splitter, etc. on a single substrate. Out-of-plane microlens array fabricated by direct lithography provides pre-alignment during mask fabrication stage and has the advantage of mass manufac ...
Bimodal waveguide interferometer device based high sensitive biosensing
... Main types of biofunctionalization processes; physical, covalent, and bioaffinity immobilization. . . . . . . . . . . . . . . . . . . . Refraction of light at the interface between two media of different refractive index, with n2 n1 . . . . . . . . . . . . . . . . . . . . . . Basic waveguides geomet ...
... Main types of biofunctionalization processes; physical, covalent, and bioaffinity immobilization. . . . . . . . . . . . . . . . . . . . Refraction of light at the interface between two media of different refractive index, with n2 n1 . . . . . . . . . . . . . . . . . . . . . . Basic waveguides geomet ...
Design and fabrication of blazed binary diffractive - HAL
... of this procedure is first studied theoretically and is then validated experimentally with a 3l-period blazed binary grating operating at 633 nm. In Section 5, blazed binary kinoforms are considered. Another design procedure is given. Its theoretical performance is investigated through electromagnet ...
... of this procedure is first studied theoretically and is then validated experimentally with a 3l-period blazed binary grating operating at 633 nm. In Section 5, blazed binary kinoforms are considered. Another design procedure is given. Its theoretical performance is investigated through electromagnet ...
META`15 New York
... Bronx. Get off at the 137th Street Station. When you go up the stairs, you’re at the south end of a small triangular park. Walk to the northeast corner (138th Street, away from Broadway). Make a right and walk one long block to Amsterdam Avenue. City College is on the other side of Amsterdam Avenue. ...
... Bronx. Get off at the 137th Street Station. When you go up the stairs, you’re at the south end of a small triangular park. Walk to the northeast corner (138th Street, away from Broadway). Make a right and walk one long block to Amsterdam Avenue. City College is on the other side of Amsterdam Avenue. ...
Optical fluctuations on the transmission and reflection of mesoscopic
... experimental set-up is described, and the precautions taken to ensure that the measured fluctuations result from interference effects inside the disordered sample only are discussed. We present measurements of the short-range correlation, and deduce the diffusion constant of the light from them. It is ...
... experimental set-up is described, and the precautions taken to ensure that the measured fluctuations result from interference effects inside the disordered sample only are discussed. We present measurements of the short-range correlation, and deduce the diffusion constant of the light from them. It is ...
Fiber Optic Lab Manual
... This manual is an action-filled guide for completing nine stimulating activities related to fiber optic communications. The manual is compatible with most classroom texts and is ideal for creating a lab to go with almost any vocational or secondary-education fiber optics course. For best results we ...
... This manual is an action-filled guide for completing nine stimulating activities related to fiber optic communications. The manual is compatible with most classroom texts and is ideal for creating a lab to go with almost any vocational or secondary-education fiber optics course. For best results we ...
Ray-optics cloaking devices for large objects in incoherent natural light
... designed by the transformation optics approach proposed by Pendry et al.3 For comparison, we first analyse the case in which phase preservation is maintained, and later, we will abolish the phase preservation requirement. Consider a square cloaking device with a square ‘hole’ at the centre opened fro ...
... designed by the transformation optics approach proposed by Pendry et al.3 For comparison, we first analyse the case in which phase preservation is maintained, and later, we will abolish the phase preservation requirement. Consider a square cloaking device with a square ‘hole’ at the centre opened fro ...
Print this article - Indian Journal of Science and Technology
... to sense moisture in moisture-sensitive environments such as semiconductor manufacturing and packaging has become essential. To date, a number of sensors based on evanescence wave have been used to measure humidity. For example, Muto et al. demonstrated a humidity sensor based on reversible absorpti ...
... to sense moisture in moisture-sensitive environments such as semiconductor manufacturing and packaging has become essential. To date, a number of sensors based on evanescence wave have been used to measure humidity. For example, Muto et al. demonstrated a humidity sensor based on reversible absorpti ...
Lithium Niobate Microphotonic Modulators
... championship and 8 year win streak that made my stay at U$C much more pleasant. ...
... championship and 8 year win streak that made my stay at U$C much more pleasant. ...