D12 in docx
... Therefore, the absorption spectrum develops a very narrow transmission window in the broader Lorentzian-like absorption peak associated with the transition to the excited state (see Fig. D12.4). Slow Light: Another application of the EIT is to slow the light by a large factor. At the resonance frequ ...
... Therefore, the absorption spectrum develops a very narrow transmission window in the broader Lorentzian-like absorption peak associated with the transition to the excited state (see Fig. D12.4). Slow Light: Another application of the EIT is to slow the light by a large factor. At the resonance frequ ...
Analysis of Tilted Grating Etalon for DWDM Demultiplexer Sommart Sang-Ngern, Non-member
... system can be finely selected by the variation of grating period. In comparison with the case of varying refractive index in which small index variation gives large range of start optical peak difference, the change in grating length gives more feasible in practical control of desired wavelength. 3. ...
... system can be finely selected by the variation of grating period. In comparison with the case of varying refractive index in which small index variation gives large range of start optical peak difference, the change in grating length gives more feasible in practical control of desired wavelength. 3. ...
Prospects for atom interferometry
... Just as with light interferometers, the key components of atom interferometers are the source and the elements to manipulate the waves such as the mirrors and beam splitters. Let us begin by considering the source. In light optics, lasers are the ideal source for many interferometry experiments beca ...
... Just as with light interferometers, the key components of atom interferometers are the source and the elements to manipulate the waves such as the mirrors and beam splitters. Let us begin by considering the source. In light optics, lasers are the ideal source for many interferometry experiments beca ...
Phononic Crystal Waveguiding in GaAs Golnaz Azodi Aval
... Overview of IDT fabrication steps. Blue is substrate, orange is photoresist, yellow is the mask, and gray is metal. . . . . . . . . . . . . Examples of different development times. Top: underdeveloped sample, resist is not fully removed. Middle: a well-developed sample, ready for deposition, the fin ...
... Overview of IDT fabrication steps. Blue is substrate, orange is photoresist, yellow is the mask, and gray is metal. . . . . . . . . . . . . Examples of different development times. Top: underdeveloped sample, resist is not fully removed. Middle: a well-developed sample, ready for deposition, the fin ...
\ 204 207 208 209 210 21g \ 221 /
... [0003] Many high poWer optical systems make use of Wavelength conversion to produce light having a desired Wavelength or range of Wavelengths. Often the process of conversion involves performing some non-linear optical Wavelength conversion on input light from a source, such as a MOPA source. The no ...
... [0003] Many high poWer optical systems make use of Wavelength conversion to produce light having a desired Wavelength or range of Wavelengths. Often the process of conversion involves performing some non-linear optical Wavelength conversion on input light from a source, such as a MOPA source. The no ...
A Michelson interferometric technique for measuring refractive index
... The optical setup for the Michelson interferometer is shown schematically in Fig. 4. Light from a Helium Neon source S (wavelength of 633nm) is deflected through a mirror M3 and strikes the beam splitter B. The beam splitter is a half-silvered glass plate (silvered on the back side) which reflects ...
... The optical setup for the Michelson interferometer is shown schematically in Fig. 4. Light from a Helium Neon source S (wavelength of 633nm) is deflected through a mirror M3 and strikes the beam splitter B. The beam splitter is a half-silvered glass plate (silvered on the back side) which reflects ...
Silicon-on-Insulator Grating Duplexer for Fiber-to-the
... duplexing operation and fiber-to-chip interfacing is presented in figure 1. It consists of a one-dimensional grating structure defined on an SOI waveguide platform. The single mode optical fiber is tilted by an angle θ with respect to the vertical axis. While in standard fiber-to-waveguide grating c ...
... duplexing operation and fiber-to-chip interfacing is presented in figure 1. It consists of a one-dimensional grating structure defined on an SOI waveguide platform. The single mode optical fiber is tilted by an angle θ with respect to the vertical axis. While in standard fiber-to-waveguide grating c ...
Semiconductor optical amplifier-based all-optical gates
... The cross-gain modulated (XGM) gate is extremely simple to assemble. It is polarization insensitive because of polarization-independent SOA gain, and it is very power efficient. It also turned out that the gate can be extremely fast, and, by 1998, bit rate capabilities of 100 Gb/s were reported [15] ...
... The cross-gain modulated (XGM) gate is extremely simple to assemble. It is polarization insensitive because of polarization-independent SOA gain, and it is very power efficient. It also turned out that the gate can be extremely fast, and, by 1998, bit rate capabilities of 100 Gb/s were reported [15] ...
Real and Imaginary Properties of Epsilon-Near
... To obtain more insight into the nano-optical properties of ENZ media in comparison with conventional plasmonic metals, we display in Fig. 2 the local optical field intensity E2 ðrÞ at rough (random Gaussian roughness, root-mean square (RMS) 50 nm) surfaces of ITO (ε ¼ 0. þ i0.57) and gold [32]. As o ...
... To obtain more insight into the nano-optical properties of ENZ media in comparison with conventional plasmonic metals, we display in Fig. 2 the local optical field intensity E2 ðrÞ at rough (random Gaussian roughness, root-mean square (RMS) 50 nm) surfaces of ITO (ε ¼ 0. þ i0.57) and gold [32]. As o ...
fabrication, characterization and application of dispersive gradient
... Stillman and E. Muybridge a running horse was the object. An example much closer to nowadays’ realities would be pump-probe spectroscopy, which was introduced in the 19th century for exploring shock waves. So, in order to analyze short processes which change rapidly in time, we need as short as poss ...
... Stillman and E. Muybridge a running horse was the object. An example much closer to nowadays’ realities would be pump-probe spectroscopy, which was introduced in the 19th century for exploring shock waves. So, in order to analyze short processes which change rapidly in time, we need as short as poss ...
Spectroscopy – I. Gratings and Prisms
... If we could see the whole spectrum (radio to γ–ray), then every order would completely overlap with every other order. In reality, of course, many effects limit what we can see/measure. For example, the atmosphere will eliminate most photons at shorter wavelengths than about 340nm – as well as large ...
... If we could see the whole spectrum (radio to γ–ray), then every order would completely overlap with every other order. In reality, of course, many effects limit what we can see/measure. For example, the atmosphere will eliminate most photons at shorter wavelengths than about 340nm – as well as large ...
Multimode or Single-Mode Optical Fiber
... or repairs of legacy, low bandwidth systems. 62.5 µm OM1 fiber supports only 33 meters at 10G, and is not even recognized as an option for faster speeds. 50 µm multimode optical fibers were first deployed in the 1970s for both short and long reach applications. But as data rates increased, 50 µm’s r ...
... or repairs of legacy, low bandwidth systems. 62.5 µm OM1 fiber supports only 33 meters at 10G, and is not even recognized as an option for faster speeds. 50 µm multimode optical fibers were first deployed in the 1970s for both short and long reach applications. But as data rates increased, 50 µm’s r ...
propagation of light in an optical fiber
... at finite number of angles are accepted by the optical fiber. The ensemble of rays entering at a specific angle from the axis of the fiber gives discrete optical intensity distributions. These are called the modes of an optical fiber. From the expression of the phase matching condition we find that ...
... at finite number of angles are accepted by the optical fiber. The ensemble of rays entering at a specific angle from the axis of the fiber gives discrete optical intensity distributions. These are called the modes of an optical fiber. From the expression of the phase matching condition we find that ...
Get PDF - OSA Publishing
... where the wavefunction is rescaled as ψ → ψ g1D , g1D = 4(as /aL )(ω⊥ /ωL )2 , σ = sign(g1D ), and the external potential is approximated by the quasi-1D periodic potential of the optical lattice, VL (x) = sin2 (x), by neglecting the contribution of a weak magnetic confinement. The stationary states ...
... where the wavefunction is rescaled as ψ → ψ g1D , g1D = 4(as /aL )(ω⊥ /ωL )2 , σ = sign(g1D ), and the external potential is approximated by the quasi-1D periodic potential of the optical lattice, VL (x) = sin2 (x), by neglecting the contribution of a weak magnetic confinement. The stationary states ...
Total Internal Reflection Fluorescence
... Total internal reflection occurs when the excitation light impinges on the glass coverslipsolution interface at an angle higher than the critical angle (see Background Information). In order for the entire field of view to be in TIR, all of the incoming light needs to be above this critical angle. I ...
... Total internal reflection occurs when the excitation light impinges on the glass coverslipsolution interface at an angle higher than the critical angle (see Background Information). In order for the entire field of view to be in TIR, all of the incoming light needs to be above this critical angle. I ...
Department of Physics, Chemistry and Biology
... The results will be important for future work aiming to fabricate structures with similar optical properties. This would, for instance, be the first step towards a new revolutionary material synthesis which would allow us to develop surfaces with a desired metallic colours but with more environmenta ...
... The results will be important for future work aiming to fabricate structures with similar optical properties. This would, for instance, be the first step towards a new revolutionary material synthesis which would allow us to develop surfaces with a desired metallic colours but with more environmenta ...
technical paper
... on total internal reflectance. In addition to waveguides, dense wavelength division multiplexing (DWDM) filters reflect over very narrow wavelength bands and are used to separate optical signals in telecommunication fiber optics. The list goes on…. In addition to improving performance and adding col ...
... on total internal reflectance. In addition to waveguides, dense wavelength division multiplexing (DWDM) filters reflect over very narrow wavelength bands and are used to separate optical signals in telecommunication fiber optics. The list goes on…. In addition to improving performance and adding col ...
The Physics 431 Final Exam Wed, DECEMBER 15, 2010
... Michelson interferometer will distort the spatial fringes. Input beam ...
... Michelson interferometer will distort the spatial fringes. Input beam ...
Niznik - Tampereen teknillinen yliopisto
... Textures on semiconductor materials, such as monocrystalline and multicrystalline silicon (Si), consist of an array of geometrical structures. The main advantage of such structures is the fact that they are able to significantly increase the amount of transmitted light on the cell surface without th ...
... Textures on semiconductor materials, such as monocrystalline and multicrystalline silicon (Si), consist of an array of geometrical structures. The main advantage of such structures is the fact that they are able to significantly increase the amount of transmitted light on the cell surface without th ...
A reconfigurable plasmofluidic lens ARTICLE Chenglong Zhao *, Yongmin Liu
... by the laser-induced thermal effect in a fluidic environment. As SPPs are sensitive to the index of surrounding materials (solution and vapour in this case), the presence of a surface bubble will strongly alter the propagation of SPPs along the top surface of the metal. In our experimental setup (Fig ...
... by the laser-induced thermal effect in a fluidic environment. As SPPs are sensitive to the index of surrounding materials (solution and vapour in this case), the presence of a surface bubble will strongly alter the propagation of SPPs along the top surface of the metal. In our experimental setup (Fig ...
Lateral shearing interferometry for EUV optical testing
... Spatial frequencies incident upon a periodic grating will diffract based on the grating equation: ...
... Spatial frequencies incident upon a periodic grating will diffract based on the grating equation: ...