Total internal reflection holography for optical interconnections
... the needs of optical interconnections. They are efficient and can serve as focusing elements, imaging elements, beam deflectors, and fan-out elements. Almost any shape of structure can be realized. This flexibility allows complex and compact interconnections. Two different types of diffractive optic ...
... the needs of optical interconnections. They are efficient and can serve as focusing elements, imaging elements, beam deflectors, and fan-out elements. Almost any shape of structure can be realized. This flexibility allows complex and compact interconnections. Two different types of diffractive optic ...
Document
... Bell Labs researchers set new soliton transmission record SAN JOSE, Calif. – AT&T Bell Laboratories scientists have demonstrated error-free transmission of solitons (light pulses that maintain their shape over long distances) at 5 gigabits (billion bits) per second over 15,000 kilometers and at 10 g ...
... Bell Labs researchers set new soliton transmission record SAN JOSE, Calif. – AT&T Bell Laboratories scientists have demonstrated error-free transmission of solitons (light pulses that maintain their shape over long distances) at 5 gigabits (billion bits) per second over 15,000 kilometers and at 10 g ...
IOSR Journal of Humanities and Social Science (JHSS)
... laser radiation, and change the distance between crystal and the laser beam or lens - decrease / increase - helps to produce the -long / short- the time period, which helps in controlling the length of radiation on the visual ...
... laser radiation, and change the distance between crystal and the laser beam or lens - decrease / increase - helps to produce the -long / short- the time period, which helps in controlling the length of radiation on the visual ...
Pulsed Solid State Laser with Passive Q
... passive semiconductor device. The characteristic of such material is that transmission increases when the intensity of light exceeds some threshold. If such a material with high absorption at the laser wavelength is placed inside the laser resonator, it will initially prevent laser oscillation. As t ...
... passive semiconductor device. The characteristic of such material is that transmission increases when the intensity of light exceeds some threshold. If such a material with high absorption at the laser wavelength is placed inside the laser resonator, it will initially prevent laser oscillation. As t ...
Syllabus
... narrative that describes the physical situation, the equations and variables used and their physical importance, and finally draws a conclusion in a way that build intuition about the topic under study. A list of equations will not be graded and will be returned. Although late or improperly done hom ...
... narrative that describes the physical situation, the equations and variables used and their physical importance, and finally draws a conclusion in a way that build intuition about the topic under study. A list of equations will not be graded and will be returned. Although late or improperly done hom ...
RAY OPTICS
... phenomena using a scalar wave theory in which light is described by a single scalar wavefunction. This approximate way of treating light is called scalar wave optics, or simply wave optics. When light waves propagate through and around objects whose dimensions are much greater than the wavelength, t ...
... phenomena using a scalar wave theory in which light is described by a single scalar wavefunction. This approximate way of treating light is called scalar wave optics, or simply wave optics. When light waves propagate through and around objects whose dimensions are much greater than the wavelength, t ...
Resolution Power And Intensity Distribution Using Synthetic Square
... The line spread function has been solved by using the program (MathCAD) for the ideal optical system or contains focus error (W20=0.5λ,1λ,2λ) and when contains spherical aberration (W40=0.5λ,1λ) or coma aberration (W31=0.5λ) with different value of rotation angle (Ψ=0,90,180). The apertures which ta ...
... The line spread function has been solved by using the program (MathCAD) for the ideal optical system or contains focus error (W20=0.5λ,1λ,2λ) and when contains spherical aberration (W40=0.5λ,1λ) or coma aberration (W31=0.5λ) with different value of rotation angle (Ψ=0,90,180). The apertures which ta ...
Optical bandwidth and fabrication tolerances of multimode
... ULTIMODE interference (MMI) couplers, based on the self-imaging effect [l], [2], are rapidly gaining popularity. MMI couplers have already been applied as power splitters and combiners [3], [4],in polarization-independent switches [ 5 ] , [6], in phase-diversity optical receivers [7], [8],and in rin ...
... ULTIMODE interference (MMI) couplers, based on the self-imaging effect [l], [2], are rapidly gaining popularity. MMI couplers have already been applied as power splitters and combiners [3], [4],in polarization-independent switches [ 5 ] , [6], in phase-diversity optical receivers [7], [8],and in rin ...
Paper Title
... fibers2-3, and hollow plastic and glass waveguides4. A fresh approach to the IR radiation transmission was developed recently by Temelkuran, Hart and Fink5. They designed and fabricated a hollow optical fiber lined with an interior omnidirectional dielectric mirror. Thus confinement of light in the ...
... fibers2-3, and hollow plastic and glass waveguides4. A fresh approach to the IR radiation transmission was developed recently by Temelkuran, Hart and Fink5. They designed and fabricated a hollow optical fiber lined with an interior omnidirectional dielectric mirror. Thus confinement of light in the ...
An optical cloak made of dielectrics LETTERS *
... used so that all of the originally square cells are transformed to rectangles of a constant aspect ratio. Whereas all other mappings result in a highly anisotropic cloak profile, the quasi-conformal mapping can make the transformed cells almost square, so that the anisotropy of the medium is minimiz ...
... used so that all of the originally square cells are transformed to rectangles of a constant aspect ratio. Whereas all other mappings result in a highly anisotropic cloak profile, the quasi-conformal mapping can make the transformed cells almost square, so that the anisotropy of the medium is minimiz ...
Effect of TiO2 on optical properties of glasses in the soda
... diagram [1]. Adding TiO2 to a glass has been considered as a way to at least partially push these borders, and TiO2-doped optical glasses have consequently found applications which rely on the high field strength and polarizability of the relatively small tetravalent titanium ion when placed within ...
... diagram [1]. Adding TiO2 to a glass has been considered as a way to at least partially push these borders, and TiO2-doped optical glasses have consequently found applications which rely on the high field strength and polarizability of the relatively small tetravalent titanium ion when placed within ...
Characterizing Multiplexing and Diversity in Visual MIMO Ashwin Ashok , Marco Gruteser
... Doppler shift is negligible compared to the frequency as well. ...
... Doppler shift is negligible compared to the frequency as well. ...
Complex air-structured optical fibre drawn from a 3D
... 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 likely to come on line in the not-so-distant future. 3D printing of optical preforms signals a new milestone in optical f ...
... 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 likely to come on line in the not-so-distant future. 3D printing of optical preforms signals a new milestone in optical f ...
Damping rates of the atomic velocity in Sisyphus cooling
... for about 1 s; the temperature of the atoms in the MOT is of the order of 200 µK. Then the MOT magnetic field and laser beams are turned off and the lattice beams are turned on by using acousto-optical modulators (AOM) with a fall-rise time shorter than 1 µs. The three-dimensional periodic optical l ...
... for about 1 s; the temperature of the atoms in the MOT is of the order of 200 µK. Then the MOT magnetic field and laser beams are turned off and the lattice beams are turned on by using acousto-optical modulators (AOM) with a fall-rise time shorter than 1 µs. The three-dimensional periodic optical l ...
Report - Physics - University of Arkansas
... enforcement of a single direction of lasing, and the reduction to a single mode are all key aspects of an effective Ti:Sapphire laser cavity. In addition to standard continuous wave activity in the cavity, one of the more attractive aspects of the Ti:Sapphire laser is a very robust ability to be in ...
... enforcement of a single direction of lasing, and the reduction to a single mode are all key aspects of an effective Ti:Sapphire laser cavity. In addition to standard continuous wave activity in the cavity, one of the more attractive aspects of the Ti:Sapphire laser is a very robust ability to be in ...
Optics and Quantum Electronics—J. G. Fujimoto, H. A. Haus, E. P. Ippen, F. X. Kärtner
... Novel Low-Coherence Light Sources The need for simple, robust sources of broadband light exists in fields such as spectroscopy as well as biomedical imaging applications such as Optical Coherence Tomography (OCT) [1-3]. The achievable longitudinal resolution is inversely related to the bandwidth of ...
... Novel Low-Coherence Light Sources The need for simple, robust sources of broadband light exists in fields such as spectroscopy as well as biomedical imaging applications such as Optical Coherence Tomography (OCT) [1-3]. The achievable longitudinal resolution is inversely related to the bandwidth of ...
Post-print of: J. Mater. Chem. , 2010, 20, 6408
... composition.22 By changing the former from one layer to the next, we achieve a uniform optical response in the long range since possible inhomogenities along the film surface produced by the successive stacking of layers are compensated. At the same time, the zenithal angle is varied to control the ...
... composition.22 By changing the former from one layer to the next, we achieve a uniform optical response in the long range since possible inhomogenities along the film surface produced by the successive stacking of layers are compensated. At the same time, the zenithal angle is varied to control the ...
Rotating light with light: Generation of helical modes of light by spin
... angular momentum from light to matter or vice versa, but only one species of optical angular momentum could be involved in each transfer. To have an interaction between spin and orbital angular momentum means to have an interaction between polarization and wavefront shape of a light beam. Such an in ...
... angular momentum from light to matter or vice versa, but only one species of optical angular momentum could be involved in each transfer. To have an interaction between spin and orbital angular momentum means to have an interaction between polarization and wavefront shape of a light beam. Such an in ...
META10 Ogut
... Polarized electromagnetic radiation has led to interesting technical applications and significant advancements at both optical [1, 2, 3, 4] and microwave frequencies [5]. With advances in nanotechnology, electromagnetic radiation beyond the diffraction limit with a particular polarization is an emer ...
... Polarized electromagnetic radiation has led to interesting technical applications and significant advancements at both optical [1, 2, 3, 4] and microwave frequencies [5]. With advances in nanotechnology, electromagnetic radiation beyond the diffraction limit with a particular polarization is an emer ...
Quadratic behavior of fiber Bragg grating temperature coefficients
... dBm, 共⫺3dB兲 ⫽ 1527–1562 nm兴 illuminated the FBG array via a polarization-independent optical isolator and a wideband coupler 共3-dB coupler with ⫾0.3-dB uniformity at 1550 ⫾ 40 nm兲. The FBG array was fusion spliced to one arm of the coupler, and the distal ends of the two coupler arms were angle cle ...
... dBm, 共⫺3dB兲 ⫽ 1527–1562 nm兴 illuminated the FBG array via a polarization-independent optical isolator and a wideband coupler 共3-dB coupler with ⫾0.3-dB uniformity at 1550 ⫾ 40 nm兲. The FBG array was fusion spliced to one arm of the coupler, and the distal ends of the two coupler arms were angle cle ...
Optical properties of the human tissue
... For this study twenty samples of bovine muscle have been used. The samples keep in saline during 2-4 hour until spectrophotometric measurements at temperature 4-5°C. All the tissue samples has been cut into pieces with the area about 2525 mm2. For mechanical support, the tissue samples have been ...
... For this study twenty samples of bovine muscle have been used. The samples keep in saline during 2-4 hour until spectrophotometric measurements at temperature 4-5°C. All the tissue samples has been cut into pieces with the area about 2525 mm2. For mechanical support, the tissue samples have been ...
Four Aces of Refractive Surgery: Aberrations
... Hartmann in 1900 and modified by Shack and Platt in the late 1960s. Numerous other methodologies and applications have since arisen.The first measurements of HOAs were conducted by Smirov using a psychophysical method, in 19618. All aberrometers have three basic components. 1. An input light source ...
... Hartmann in 1900 and modified by Shack and Platt in the late 1960s. Numerous other methodologies and applications have since arisen.The first measurements of HOAs were conducted by Smirov using a psychophysical method, in 19618. All aberrometers have three basic components. 1. An input light source ...
Dependences of the group velocity for
... Many interests have been focused on manipulating the group velocity of light pulses [1–4]. Its main goals include the understanding of physical laws for light pulse propagation as well as many promising applications such as controllable optical delay lines, all-optical memories, and data resynchroni ...
... Many interests have been focused on manipulating the group velocity of light pulses [1–4]. Its main goals include the understanding of physical laws for light pulse propagation as well as many promising applications such as controllable optical delay lines, all-optical memories, and data resynchroni ...
Fiber-optic communication
Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of light through an optical fiber. The light forms an electromagnetic carrier wave that is modulated to carry information. First developed in the 1970s, fiber-optic communication systems have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age. Because of its advantages over electrical transmission, optical fibers have largely replaced copper wire communications in core networks in the developed world. Optical fiber is used by many telecommunications companies to transmit telephone signals, Internet communication, and cable television signals. Researchers at Bell Labs have reached internet speeds of over 100 petabit×kilometer per second using fiber-optic communication.The process of communicating using fiber-optics involves the following basic steps: Creating the optical signal involving the use of a transmitter, relaying the signal along the fiber, ensuring that the signal does not become too distorted or weak, receiving the optical signal, and converting it into an electrical signal.