Electronic Dispersion Compensation - ifp.illinois.edu
... by dispersion, or intersymbol interference (ISI), rather than only by noise. Figure 1 shows eye diagrams illustrating the transmitted and received symbol patterns as they would appear on an oscilloscope at various stages through the optical fiber. Note how an open transmit eye from which correct dec ...
... by dispersion, or intersymbol interference (ISI), rather than only by noise. Figure 1 shows eye diagrams illustrating the transmitted and received symbol patterns as they would appear on an oscilloscope at various stages through the optical fiber. Note how an open transmit eye from which correct dec ...
op_bessel1 - School of Physics
... travels in straight lines) that result from an obstruction of a wavefront of light. A hole in an opaque screen represents an obstruction. On an observation screen placed after the hole, the pattern of light may show a set of bright and dark fringes around a central bright spot. Fraunhofer diffractio ...
... travels in straight lines) that result from an obstruction of a wavefront of light. A hole in an opaque screen represents an obstruction. On an observation screen placed after the hole, the pattern of light may show a set of bright and dark fringes around a central bright spot. Fraunhofer diffractio ...
Fraunhofer Diffraction from a circular aperture
... travels in straight lines) that result from an obstruction of a wavefront of light. A hole in an opaque screen represents an obstruction. On an observation screen placed after the hole, the pattern of light may show a set of bright and dark fringes around a central bright spot. Fraunhofer diffractio ...
... travels in straight lines) that result from an obstruction of a wavefront of light. A hole in an opaque screen represents an obstruction. On an observation screen placed after the hole, the pattern of light may show a set of bright and dark fringes around a central bright spot. Fraunhofer diffractio ...
On the Nature of the Evanescent Wave
... On the other hand, we know that Fresnel equations connect fields on opposite sides of the interface, so Fresnel equations demand that, if there is an electromagnetic field on the incident side of the interface, there must be an electromagnetic field (and thus electromagnetic energy as well) behind t ...
... On the other hand, we know that Fresnel equations connect fields on opposite sides of the interface, so Fresnel equations demand that, if there is an electromagnetic field on the incident side of the interface, there must be an electromagnetic field (and thus electromagnetic energy as well) behind t ...
The ins and outs of conical refraction
... the optic axes of wave normals, or binormals (or several other names), in the case of the wave-normal surface. At first sight these binormals might seem less interesting than the general directions that yield two distinct wave velocities and hence are associated with double refraction, but Hamilton ...
... the optic axes of wave normals, or binormals (or several other names), in the case of the wave-normal surface. At first sight these binormals might seem less interesting than the general directions that yield two distinct wave velocities and hence are associated with double refraction, but Hamilton ...
Temporal coherence characteristics of a superluminescent
... important role in the optical coherence tomography system [2,3]. High output power and large optical bandwidth are key features for the SLD, and the extremely high optical gain in SLD active region may result in very high optical power sensitivity to external optical feedback [4]. Thus, once stimula ...
... important role in the optical coherence tomography system [2,3]. High output power and large optical bandwidth are key features for the SLD, and the extremely high optical gain in SLD active region may result in very high optical power sensitivity to external optical feedback [4]. Thus, once stimula ...
PDF only - at www.arxiv.org.
... minimize the reflection of light that couples from (low-index) air to a relatively high-index medium (glass, semiconductors, etc.). As result, advances in optically-smooth AR coatings cannot be applied to the reciprocal geometry, where the light couples from a high-index media [such as (O)LEDs or sc ...
... minimize the reflection of light that couples from (low-index) air to a relatively high-index medium (glass, semiconductors, etc.). As result, advances in optically-smooth AR coatings cannot be applied to the reciprocal geometry, where the light couples from a high-index media [such as (O)LEDs or sc ...
Measurement of the Number of Atoms in a Magneto
... For this either ω has to be well-known or the image with maximum absorption is taken, where ω = ω0 . The latter can only be done if the range of the camera is large enough. In reality, the camera as well as the image-capturing process are often limited by an 8-bit-resolution. Then there are only 256 ...
... For this either ω has to be well-known or the image with maximum absorption is taken, where ω = ω0 . The latter can only be done if the range of the camera is large enough. In reality, the camera as well as the image-capturing process are often limited by an 8-bit-resolution. Then there are only 256 ...
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... fabricated within a timescale of order seconds. However, in practice, it is likely that the stage movement would not be accurate enough when operating at this required speed. In practice, for our experimental setup, coverage of 1mm2 can be achieved within two minutes, and hence 1cm2 on the order of ...
... fabricated within a timescale of order seconds. However, in practice, it is likely that the stage movement would not be accurate enough when operating at this required speed. In practice, for our experimental setup, coverage of 1mm2 can be achieved within two minutes, and hence 1cm2 on the order of ...
Self-rotation of resonant elliptically polarized light in collision
... electro-optics, which can be thought of as three stage processes (see, e.g., Ref. [4] and references therein) consisting of optical pumping (which produces atomic polarization), quantum beats (which modify atomic polarization), and modification of the polarization of weak probe light as it propagate ...
... electro-optics, which can be thought of as three stage processes (see, e.g., Ref. [4] and references therein) consisting of optical pumping (which produces atomic polarization), quantum beats (which modify atomic polarization), and modification of the polarization of weak probe light as it propagate ...
Free Space Optical communication
... that use wide divergence beams rather than narrow beams which are suitable for point to point systems. Such systems are sometimes referred to as optical telepoint systems [7]. Due to the fact that indoor FSO systems are not affected by atmospheric effects, the power budget depends solely on the tran ...
... that use wide divergence beams rather than narrow beams which are suitable for point to point systems. Such systems are sometimes referred to as optical telepoint systems [7]. Due to the fact that indoor FSO systems are not affected by atmospheric effects, the power budget depends solely on the tran ...
Stops, Pupils, Field Optics and Cameras
... Consider a device such as the photomultiplier tube drawn below, that is designed to accurately measure the flux from faint stars The star is imaged directly onto the face of the PMT, which at first glance appears OK. However, due to atmospheric seeing, the star’s image will wander about on the surfa ...
... Consider a device such as the photomultiplier tube drawn below, that is designed to accurately measure the flux from faint stars The star is imaged directly onto the face of the PMT, which at first glance appears OK. However, due to atmospheric seeing, the star’s image will wander about on the surfa ...
PDF
... spatial light modulator (SLM, from Boulder Nonlinear Systems) and a continuous wave Ytterbium-doped fiber laser (λ = 1064 nm, from IPG Photonics). The 5mm laser beam diameter is first expanded to overfill the active area of the SLM and then reduced to the size of the back aperture of the microscope ...
... spatial light modulator (SLM, from Boulder Nonlinear Systems) and a continuous wave Ytterbium-doped fiber laser (λ = 1064 nm, from IPG Photonics). The 5mm laser beam diameter is first expanded to overfill the active area of the SLM and then reduced to the size of the back aperture of the microscope ...
Exercice N°1 : Laser à 4 niveaux
... Exercise N°2: Single frequency oscillator with a very short cavity We consider a laser oscillator with a linear cavity formed by two mirrors (M1 and M2) with reflection coefficients R1 and R2, respectively. The optical cavity length is denoted as L. The spectral shape of the gain G0() is a bell sha ...
... Exercise N°2: Single frequency oscillator with a very short cavity We consider a laser oscillator with a linear cavity formed by two mirrors (M1 and M2) with reflection coefficients R1 and R2, respectively. The optical cavity length is denoted as L. The spectral shape of the gain G0() is a bell sha ...