Molecular beam epitaxy of periodic BaF2 /PbEuSe layers on Si„111…
... CaF2 as one of the constituent quarter-wavelength layers allows the thermal strain to be relieved more effectively because BaF2 has lower elastic constants than CaF2. Other reasons for using BaF2 are that it has a higher growth rate than CaF2 and has a better lattice match with PbEuSe. In order to r ...
... CaF2 as one of the constituent quarter-wavelength layers allows the thermal strain to be relieved more effectively because BaF2 has lower elastic constants than CaF2. Other reasons for using BaF2 are that it has a higher growth rate than CaF2 and has a better lattice match with PbEuSe. In order to r ...
PII: 0030-4018(95)00743-1
... one in the low spatial-frequency domain, denoted as peak 1, and another one, peak 2, in the high spatialfrequency region. The two spatial-frequencies at which these two peaks occur, pPl and pPz, as well as the corresponding values of the MI gain, i.e. g,, and g,,, are found to depend on both the ext ...
... one in the low spatial-frequency domain, denoted as peak 1, and another one, peak 2, in the high spatialfrequency region. The two spatial-frequencies at which these two peaks occur, pPl and pPz, as well as the corresponding values of the MI gain, i.e. g,, and g,,, are found to depend on both the ext ...
Holography
... to separate the beam was difficult in practice at that time, when the best coherent source was the high pressure mercury lamp, with coherent length of only about 0.1mm. The first off-axis hologram worked until Leith and Upatnieks came up an optical trick: to choose one line of the mercury lamp and s ...
... to separate the beam was difficult in practice at that time, when the best coherent source was the high pressure mercury lamp, with coherent length of only about 0.1mm. The first off-axis hologram worked until Leith and Upatnieks came up an optical trick: to choose one line of the mercury lamp and s ...
5150119
... The TO laser source was a pigtailed non-tunable external cavity semiconductor laser (E-Tek Ind.) operating at λ1 = 1548.95 nm and at a bias current of 120 mA. This laser was directly modulated at fTO = 250 MHz by a Wavetek 2500A signal generator. The LO laser source was a pigtailed tunable external ...
... The TO laser source was a pigtailed non-tunable external cavity semiconductor laser (E-Tek Ind.) operating at λ1 = 1548.95 nm and at a bias current of 120 mA. This laser was directly modulated at fTO = 250 MHz by a Wavetek 2500A signal generator. The LO laser source was a pigtailed tunable external ...
Electromagnetic Boundary Conditions
... With parameterization of material properties as in the static case (but with different and frequency dependent) values of the dielectric and magnetic susceptability, these equations also specify changes in the E and B field magnitudes for a traveling wave incident on an interface between media with ...
... With parameterization of material properties as in the static case (but with different and frequency dependent) values of the dielectric and magnetic susceptability, these equations also specify changes in the E and B field magnitudes for a traveling wave incident on an interface between media with ...
Optimization of Bragg Grating in Optical Fiber Using - lea
... Although FBGs can be considered simple structures, the spread processing time in its synthesis usually justifies the employment of parallel computing. An approach without parallel computing would require large efforts in order to increase the function fitness performance. However, as the fitness fun ...
... Although FBGs can be considered simple structures, the spread processing time in its synthesis usually justifies the employment of parallel computing. An approach without parallel computing would require large efforts in order to increase the function fitness performance. However, as the fitness fun ...
Microsoft Word - DORAS
... optical signals that are then transmitted to the control station [3]. Depending on the system architecture, some type of optical filtering may normally be employed in the such systems either to convert a Double Side Band (DSB) signal to Single Side Band format (to overcome dispersive fading), or to ...
... optical signals that are then transmitted to the control station [3]. Depending on the system architecture, some type of optical filtering may normally be employed in the such systems either to convert a Double Side Band (DSB) signal to Single Side Band format (to overcome dispersive fading), or to ...
Arbitrary GRIN component fabrication in optically
... profile by imaging the sample under test onto a Shack-Hartmann wavefront sensor. The lenses, L1 and L2, were Spindler and Hoyer achromats with focal lengths of 50 mm (L1) and 250 mm (L2). The Clas-2D Shack-Hartmann wavefront sensor is a Clas-XP 81000-01. ...
... profile by imaging the sample under test onto a Shack-Hartmann wavefront sensor. The lenses, L1 and L2, were Spindler and Hoyer achromats with focal lengths of 50 mm (L1) and 250 mm (L2). The Clas-2D Shack-Hartmann wavefront sensor is a Clas-XP 81000-01. ...
Nonlinear optical properties of aromatic amino acids in the
... amino acids. In particular, Histidine, Phenylalanine, and Tryptophan are essential amino acids (building blocks of proteins) that cannot be synthesized by the human body and therefore must be part of its diet. Except for Histidine, the aromatic amino acids fluoresce when excited with ultraviolet lig ...
... amino acids. In particular, Histidine, Phenylalanine, and Tryptophan are essential amino acids (building blocks of proteins) that cannot be synthesized by the human body and therefore must be part of its diet. Except for Histidine, the aromatic amino acids fluoresce when excited with ultraviolet lig ...
Diffraction - Purdue Physics
... effects, appears in the argument of this sinusoidal function. Since the intensity I of a light wave is proportional to the square of its electric field vector, the intensity of two beams interfering with each other will be determined by factors proportional to sin 2() or cos2(). The exact exp ...
... effects, appears in the argument of this sinusoidal function. Since the intensity I of a light wave is proportional to the square of its electric field vector, the intensity of two beams interfering with each other will be determined by factors proportional to sin 2() or cos2(). The exact exp ...
Optics - Frederiksen
... a cooling fan which keeps the housing cool enough to touch even though the lamp is rated at 15 watts of electrical power. 2800.30 Student Reuter lamp ...
... a cooling fan which keeps the housing cool enough to touch even though the lamp is rated at 15 watts of electrical power. 2800.30 Student Reuter lamp ...
Technological Education Institute (TEI) of Piraeus
... Light transmission - Light is totally reflected from the cladding back into the core - This is achieved with a higher refractive index in the core - Transmission with minimal loss. - The outer buffer coating protects the fiber from external conditions and physical damage. ...
... Light transmission - Light is totally reflected from the cladding back into the core - This is achieved with a higher refractive index in the core - Transmission with minimal loss. - The outer buffer coating protects the fiber from external conditions and physical damage. ...
Get
... building up a network of overlapping voxels (3D pixels). Whilst this approach can produce extremely high-resolution structures, a major disadvantage is the time required for fabrication, due to the small interaction volume, the serial nature of the processing and the requirement of multiple laser pu ...
... building up a network of overlapping voxels (3D pixels). Whilst this approach can produce extremely high-resolution structures, a major disadvantage is the time required for fabrication, due to the small interaction volume, the serial nature of the processing and the requirement of multiple laser pu ...
Catching the wave - Selected Topics in Quantum Electronics, IEEE
... which terminates a waveguide and the reflected signal can exceed that of the input, i.e., gain. I got my first pat on the back when my project was chosen for display at that year’s show at the National Academy of Sciences. I also did some paramagnetic resonance work and was involved in the search an ...
... which terminates a waveguide and the reflected signal can exceed that of the input, i.e., gain. I got my first pat on the back when my project was chosen for display at that year’s show at the National Academy of Sciences. I also did some paramagnetic resonance work and was involved in the search an ...
Optical design of reflectionless complex media by
... emerged as a means of designing complex media that can bring about unprecedented control of electromagnetic fields. A transformation optical structure is designed by first applying a form-invariant coordinate transform to Maxwell’s equations, in which part of free space is distorted in some manner. ...
... emerged as a means of designing complex media that can bring about unprecedented control of electromagnetic fields. A transformation optical structure is designed by first applying a form-invariant coordinate transform to Maxwell’s equations, in which part of free space is distorted in some manner. ...
Full-Text PDF
... which can be applied in more tech areas. For instance, it can make GaAs1−xBix a promising new semiconductor saturable absorber that has a very high possibility to be used in all-solid-state Q-switched and mode-locked lasers. In this paper, GaAs1−xBix crystal with different concentrations of Bi atoms ...
... which can be applied in more tech areas. For instance, it can make GaAs1−xBix a promising new semiconductor saturable absorber that has a very high possibility to be used in all-solid-state Q-switched and mode-locked lasers. In this paper, GaAs1−xBix crystal with different concentrations of Bi atoms ...
Optical modulator utilising InAs Quantum Dots grown on Si
... lasing at a wavelength of 1300 nm [5]. Furthermore we have recently demonstrated the potential of such structures to operate as both photodiodes and as absorption regions of avalanche photodiodes at 1300 nm [6]. For information switching and transmission, it is important to integrate a laser and a m ...
... lasing at a wavelength of 1300 nm [5]. Furthermore we have recently demonstrated the potential of such structures to operate as both photodiodes and as absorption regions of avalanche photodiodes at 1300 nm [6]. For information switching and transmission, it is important to integrate a laser and a m ...
Bending What is Optical Fiber Dispersion?
... Since each mode ray travels a different distance as it propagates, the ray arrive at different times at the fiber output. So the light pulse spreads out in time which can cause signal overlapping so seriously that you cannot distinguish them any more.. ...
... Since each mode ray travels a different distance as it propagates, the ray arrive at different times at the fiber output. So the light pulse spreads out in time which can cause signal overlapping so seriously that you cannot distinguish them any more.. ...
