Electronic Dispersion Compensation - ifp.illinois.edu
... transmit eye from which correct decisions can easily be made, begins to close due to dispersion and noise, as the distance through the fiber increases. This is largely because group-velocity dispersion (GVD), or socalled chromatic dispersion (CD), in optical fibers (i.e., that light propagates with ...
... transmit eye from which correct decisions can easily be made, begins to close due to dispersion and noise, as the distance through the fiber increases. This is largely because group-velocity dispersion (GVD), or socalled chromatic dispersion (CD), in optical fibers (i.e., that light propagates with ...
NicholasBarbutoPoster - Physics
... creating energy bands where electrons are not able to flow, usually referred to as the band gap. This stems from the periodic nature of the atoms or molecules in a crystal lattice. In photonic crystals, the same type of periodic structure exists, only in place of electron conduction properties, the ...
... creating energy bands where electrons are not able to flow, usually referred to as the band gap. This stems from the periodic nature of the atoms or molecules in a crystal lattice. In photonic crystals, the same type of periodic structure exists, only in place of electron conduction properties, the ...
The Balmer Lines of Hydrogen and Deuterium
... amplifier, carefully adjust the position of the Hg lamp until the signal is maximized. Lower the gain settings if necessary so that the output signal is not saturated. Now look for the line in 2nd order. Double the line vacuum wavelength and then apply the difference between your observed line posit ...
... amplifier, carefully adjust the position of the Hg lamp until the signal is maximized. Lower the gain settings if necessary so that the output signal is not saturated. Now look for the line in 2nd order. Double the line vacuum wavelength and then apply the difference between your observed line posit ...
Soliton collision and Raman gain regimes in continuous
... Spatially coherent light with an extremely broad optical spectrum (> 100 nm) can be produced by pumping light with a narrow spectrum and high intensity through a nonlinear medium [1]. The interaction between the high intensity light and the nonlinear medium initiates several mechanisms, which broade ...
... Spatially coherent light with an extremely broad optical spectrum (> 100 nm) can be produced by pumping light with a narrow spectrum and high intensity through a nonlinear medium [1]. The interaction between the high intensity light and the nonlinear medium initiates several mechanisms, which broade ...
Chapter 5 Low-Noise Design Methodology
... shunt capacitance should be minimized to avoid increasing En at high frequencies. The decoupling capacitor Cc should be very large or removed to reduce its effect on the amplifier’s In noise at low-frequencies. The amplifier input resistance Ri can often be reduced with overall negative feedback to ...
... shunt capacitance should be minimized to avoid increasing En at high frequencies. The decoupling capacitor Cc should be very large or removed to reduce its effect on the amplifier’s In noise at low-frequencies. The amplifier input resistance Ri can often be reduced with overall negative feedback to ...
18.1 Raman Scattering
... 18.1 Raman Scattering • an energy level diagram shows four types of scattering processes • Rayleigh scatter is due to microscopic refractive index changes, while Raman scatter is due to time-dependent changes in polarizability • scattering cross-sections are used to compare signal strengths from Ray ...
... 18.1 Raman Scattering • an energy level diagram shows four types of scattering processes • Rayleigh scatter is due to microscopic refractive index changes, while Raman scatter is due to time-dependent changes in polarizability • scattering cross-sections are used to compare signal strengths from Ray ...
Optical Coherence Tomography as a diagnostic tool
... such as following grafting of engineered tissues into a host tissue [11]. Of particular importance to us is the use of OCT in dermatology, where OCT has been used to visualize the different layers of the skin such as stratum corneum of glabrous skin in palmoplantar locations, the epidermis and the u ...
... such as following grafting of engineered tissues into a host tissue [11]. Of particular importance to us is the use of OCT in dermatology, where OCT has been used to visualize the different layers of the skin such as stratum corneum of glabrous skin in palmoplantar locations, the epidermis and the u ...
Optical losses
... inconsistencies in the glass. Because these perturbations are small with respect to the waves being propagated, light striking a Rayleigh imperfection scatters in all directions. Scattering losses are less at longer wavelengths, where the majority of the transmission losses are due to absorption fro ...
... inconsistencies in the glass. Because these perturbations are small with respect to the waves being propagated, light striking a Rayleigh imperfection scatters in all directions. Scattering losses are less at longer wavelengths, where the majority of the transmission losses are due to absorption fro ...
Practical Guide to Specifying Optical Components
... Section 12 – Aspheric surfaces. When using an aspheric surface, the term “asphere” or the specific type of asphere should be indicated on the drawing. The equation of the surface should be provided in a note. Tolerance of the surface form can be addressed with a table that indicates the differences ...
... Section 12 – Aspheric surfaces. When using an aspheric surface, the term “asphere” or the specific type of asphere should be indicated on the drawing. The equation of the surface should be provided in a note. Tolerance of the surface form can be addressed with a table that indicates the differences ...
Optical amplifier
An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from the cavity is suppressed. Optical amplifiers are important in optical communication and laser physics.There are several different physical mechanisms that can be used to amplify a light signal, which correspond to the major types of optical amplifiers. In doped fibre amplifiers and bulk lasers, stimulated emission in the amplifier's gain medium causes amplification of incoming light. In semiconductor optical amplifiers (SOAs), electron-hole recombination occurs. In Raman amplifiers, Raman scattering of incoming light with phonons in the lattice of the gain medium produces photons coherent with the incoming photons. Parametric amplifiers use parametric amplification.