Light Propagation with Phase Discontinuities
... r ) is the local index of refraction, and readily gives the laws of reflection and refraction between two media. In its most general form, Fermat’s principle can be stated as the principle of stationary phase (6–8); that is, the derivative of the phase ∫BA dϕ(→ r ) accumulated along the actual light ...
... r ) is the local index of refraction, and readily gives the laws of reflection and refraction between two media. In its most general form, Fermat’s principle can be stated as the principle of stationary phase (6–8); that is, the derivative of the phase ∫BA dϕ(→ r ) accumulated along the actual light ...
Honors Physics Final Review Spring 2015
... ans: glass b/c denser What two things MUST be true for constructive interference to occur? ans; in-phase and same wavelength What type of wave interaction is described: Two fronts approach each other. One is displaced by 10 cm and the other displaced by 8 cm. At the point of crossover the displaceme ...
... ans: glass b/c denser What two things MUST be true for constructive interference to occur? ans; in-phase and same wavelength What type of wave interaction is described: Two fronts approach each other. One is displaced by 10 cm and the other displaced by 8 cm. At the point of crossover the displaceme ...
Introduction to Diffraction Grating
... incidence and diffraction, the latter of which is dependent upon groove spacing. Angular dispersion can be increased by increasing the angle of incidence or by decreasing the distance between successive grooves. A grating with a large angular dispersion can produce good resolution in a compact optic ...
... incidence and diffraction, the latter of which is dependent upon groove spacing. Angular dispersion can be increased by increasing the angle of incidence or by decreasing the distance between successive grooves. A grating with a large angular dispersion can produce good resolution in a compact optic ...
Optical Nonlinearities in the Transparency Region of Bulk Semiconductors . W
... have been in semiconductors (Miller and Duncan, 1987; Hill et al., 1982) and involve near-gap excitation. However, these resonant nonlinearities, by their nature, involve significant linear absorption (see Chap. 1 in this volume and Chap. 5 in Vol. 59), which is undesirable in many applications. In ...
... have been in semiconductors (Miller and Duncan, 1987; Hill et al., 1982) and involve near-gap excitation. However, these resonant nonlinearities, by their nature, involve significant linear absorption (see Chap. 1 in this volume and Chap. 5 in Vol. 59), which is undesirable in many applications. In ...
IEEE J. Quantum Electron. 33, 970 (1997)
... CHUANG et al.: KINETIC MODEL FOR DEGRADATION OF LIGHT-EMITTING DIODES ...
... CHUANG et al.: KINETIC MODEL FOR DEGRADATION OF LIGHT-EMITTING DIODES ...
Experimental investigation of the propagation properties of bloch
... band diagram of the underlying multilayer is calculated with the transfer matrix method [2]. The β axis is the propagation constant β = (2π/λ)nsinθ of the incident light which is parallel to multilayers and the ω axis represents the angular frequency ω = 2πc0/λ, where λ is the wavelength of incident ...
... band diagram of the underlying multilayer is calculated with the transfer matrix method [2]. The β axis is the propagation constant β = (2π/λ)nsinθ of the incident light which is parallel to multilayers and the ω axis represents the angular frequency ω = 2πc0/λ, where λ is the wavelength of incident ...
Creation of gap solitons in Bose-Einstein condensates
... and its validity for the description of the condensate dynamics at zero temperature is now well accepted. A further confirmation would be provided by the observation of solitary matter waves, the existence of which is generic to nonlinear Schrödinger wave equations such as the GPE @3,4#. Such solit ...
... and its validity for the description of the condensate dynamics at zero temperature is now well accepted. A further confirmation would be provided by the observation of solitary matter waves, the existence of which is generic to nonlinear Schrödinger wave equations such as the GPE @3,4#. Such solit ...
Towards noninvasive glucose sensing using
... hLi in turbid media is a difficult quantity to define, quantify, and measure, and really represents a statistical distribution metric of a variety of photon paths that depend in a complex way on tissue optical properties and measurement geometry, (iii) other optically active chiral species are prese ...
... hLi in turbid media is a difficult quantity to define, quantify, and measure, and really represents a statistical distribution metric of a variety of photon paths that depend in a complex way on tissue optical properties and measurement geometry, (iii) other optically active chiral species are prese ...
Lab 4: Diffraction of Light
... Exercise 4: What are the similarities and differences between patterns for the different number of slits? State your observations based on your sketches of the patterns. As the number of slits is increased, does the position of the interference maxima change? Interference pattern of different slit w ...
... Exercise 4: What are the similarities and differences between patterns for the different number of slits? State your observations based on your sketches of the patterns. As the number of slits is increased, does the position of the interference maxima change? Interference pattern of different slit w ...
Chapter 5. Mouse and Tackball
... strips that allow light from the LED to shine onto the detector. As the interrupter rotates past the light beam, the solid segments between the slots will interrupt the beam and a series of voltage pulses will appear at the output of the detector. A second quadrature output is obtained by using a se ...
... strips that allow light from the LED to shine onto the detector. As the interrupter rotates past the light beam, the solid segments between the slots will interrupt the beam and a series of voltage pulses will appear at the output of the detector. A second quadrature output is obtained by using a se ...
Optical Cavity and laser Modes
... lines (coherent radiation at the output of the laser at all possible longitudinal modes). The approximate number of possible laser modes (N) is given by the width of the fluorescence line divided by the distance between ...
... lines (coherent radiation at the output of the laser at all possible longitudinal modes). The approximate number of possible laser modes (N) is given by the width of the fluorescence line divided by the distance between ...
Construction of a Calcium Matter-Wave Interferometer
... with the skills I have developed pursuing this research. I would like to acknowledge several of the people who have helped and inspired me throughout my education. Among them are Dr. Allred, Dr. Davis, Dr. Hirschmann, and Dr. Nielsen all of whom exhibited an interest and excitement in physics that I ...
... with the skills I have developed pursuing this research. I would like to acknowledge several of the people who have helped and inspired me throughout my education. Among them are Dr. Allred, Dr. Davis, Dr. Hirschmann, and Dr. Nielsen all of whom exhibited an interest and excitement in physics that I ...
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Optical bandwidth and fabrication tolerances of multimode
... imaging arrangements are obtained [lo]. As the self-imaging In order to get close expressions for 218XI and d W , we depends on the interference of the different eigenmodes, calculate the excess losses a as a function of the MMI length the coupling length L, between the first two lowest order variat ...
... imaging arrangements are obtained [lo]. As the self-imaging In order to get close expressions for 218XI and d W , we depends on the interference of the different eigenmodes, calculate the excess losses a as a function of the MMI length the coupling length L, between the first two lowest order variat ...
ABSTRACT Title of Document:
... dB/km [9]. On the other hand, rain affects MMW and FSO similarly but more than RF. For MMW frequencies between 30-60 GHz, heavy rain (60 mm/hr) can attenuate between 15-22 dB/km depending on frequency [10]. FSO can be attenuated by about 16 dB/km for 60 mm/hr rainfall [3]. But for RF, attenuation fo ...
... dB/km [9]. On the other hand, rain affects MMW and FSO similarly but more than RF. For MMW frequencies between 30-60 GHz, heavy rain (60 mm/hr) can attenuate between 15-22 dB/km depending on frequency [10]. FSO can be attenuated by about 16 dB/km for 60 mm/hr rainfall [3]. But for RF, attenuation fo ...
Fabrication and characterization of silicone-based - lammp
... uniformed phantoms with predictable optical properties in the NIR spectrum. To begin, 25 ml curing agent is retrieved with a disposable pipette and placed in a 25 ml plastic beaker. TiO2 is measured by weight and added to the curing agent. This is manually mixed and placed in an ultrasonic bath (BR ...
... uniformed phantoms with predictable optical properties in the NIR spectrum. To begin, 25 ml curing agent is retrieved with a disposable pipette and placed in a 25 ml plastic beaker. TiO2 is measured by weight and added to the curing agent. This is manually mixed and placed in an ultrasonic bath (BR ...
Shape Reconstruction from Multiple Images of the Ocean Surface
... light gradient method, these systems cross the air-sea interface and may disturb the surface. To design a system capable of recovering instantaneous joint elevation-slope maps over a 512 by 512 grid, while not disturbing the air-surface interface, a variety of passive image analysis techniques were ...
... light gradient method, these systems cross the air-sea interface and may disturb the surface. To design a system capable of recovering instantaneous joint elevation-slope maps over a 512 by 512 grid, while not disturbing the air-surface interface, a variety of passive image analysis techniques were ...
chapter 5: effect of the optical properties of the epidermis on laser
... depth of light in skin is determined by the total attenuation, constituted by the scattering and absorption coefficients. It stands to reason that a thicker epidermis will absorb more light than thinner epidermal layers. In determining the fluence rate reaching a specific position (depth) in the ski ...
... depth of light in skin is determined by the total attenuation, constituted by the scattering and absorption coefficients. It stands to reason that a thicker epidermis will absorb more light than thinner epidermal layers. In determining the fluence rate reaching a specific position (depth) in the ski ...
Profiling Atmospheric Turbulence with Single Star
... resulting in index-of-refraction fluctuations. The system uses the scintillation to characterise the three-dimensional structure of the atmosphere by estimation of the refractive index structure constant as a function of altitude, Cn2 (h). Once the refractive index fluctuation profile is obtained, o ...
... resulting in index-of-refraction fluctuations. The system uses the scintillation to characterise the three-dimensional structure of the atmosphere by estimation of the refractive index structure constant as a function of altitude, Cn2 (h). Once the refractive index fluctuation profile is obtained, o ...