Lecture 34 - UConn Physics
... Phasor Description of Diffraction Let’s define phase difference (b) between first and last ray (phasor) b = S (Db) = N Db ...
... Phasor Description of Diffraction Let’s define phase difference (b) between first and last ray (phasor) b = S (Db) = N Db ...
Multistep Parametric Processes in Nonlinear Optics
... optical crystals (see, e.g., Yablonovitch, Flytzanis, and Bloembergen [1972]; Akhmanov, Dubovik, Saltiel, Tomov, and Tunkin [1974]; Akhmanov [1977]; Kildal and Iseler [1979]; Bloembergen [1982]). More recently, these processes were proved to be efficient for the higher-order harmonic generation, for ...
... optical crystals (see, e.g., Yablonovitch, Flytzanis, and Bloembergen [1972]; Akhmanov, Dubovik, Saltiel, Tomov, and Tunkin [1974]; Akhmanov [1977]; Kildal and Iseler [1979]; Bloembergen [1982]). More recently, these processes were proved to be efficient for the higher-order harmonic generation, for ...
Color center production by femtosecond-pulse laser
... pulses, resulting in w = 390 µm. In this measure, the pulse energy was 547 µJ and the pulse width was 60 fs, resulting in a color center creation threshold of 1.9 TW/cm2 for YLF. By applying a method recently developed [2, 13] to estimate the threshold for color center formation in LiF, its value wa ...
... pulses, resulting in w = 390 µm. In this measure, the pulse energy was 547 µJ and the pulse width was 60 fs, resulting in a color center creation threshold of 1.9 TW/cm2 for YLF. By applying a method recently developed [2, 13] to estimate the threshold for color center formation in LiF, its value wa ...
Research on the Design of an Optical Information Storage Sensing
... To be compatible with the multilayer disc structure, the DOE is designed so that the zeroth-order beam focuses on the servo layer for focusing and tracking, while the first-order diffraction beams focuses on the recording layer. The two beams are controlled and focus on the corresponding layers inde ...
... To be compatible with the multilayer disc structure, the DOE is designed so that the zeroth-order beam focuses on the servo layer for focusing and tracking, while the first-order diffraction beams focuses on the recording layer. The two beams are controlled and focus on the corresponding layers inde ...
The Fractional Fourier Transform. with Applications in Optics and Signal
... image restoration, pattern recognition, tomography, data compression and time–frequency representations. * Background material introduces time–frequency analysis emphasizing the Wigner distribution, ambiguity function and canonical transforms. * Chapter on phase–space optics employs matrix algebra i ...
... image restoration, pattern recognition, tomography, data compression and time–frequency representations. * Background material introduces time–frequency analysis emphasizing the Wigner distribution, ambiguity function and canonical transforms. * Chapter on phase–space optics employs matrix algebra i ...
Polarization of light on reflection by some natural
... will now be briefly outlined. The Stokes vector formalism (Stokes 1852) will be adopted to describe the state of polarization of the light beam in what follows. In the most general case of a quasi-monochromatic beam of elliptically polarized light the Stokes polarization parameters are given by I= ( ...
... will now be briefly outlined. The Stokes vector formalism (Stokes 1852) will be adopted to describe the state of polarization of the light beam in what follows. In the most general case of a quasi-monochromatic beam of elliptically polarized light the Stokes polarization parameters are given by I= ( ...
Tailoring crystalline structure in N-doped TiO2 thin films: application to photocatalytic and biological reactions.
... directly from a one-step low temperature plasma sputtering process, thus no post high-temperature treatment step is required. Since those films are already highly crystallized, they are thermally stable and conversion into anatase phase is highly unfavourable. TiO2 amorphous coatings can also be obt ...
... directly from a one-step low temperature plasma sputtering process, thus no post high-temperature treatment step is required. Since those films are already highly crystallized, they are thermally stable and conversion into anatase phase is highly unfavourable. TiO2 amorphous coatings can also be obt ...
Get PDF - OSA Publishing
... both strong enough. Wu and Gao [11] have found that the inversionless gain will be related to the relative phase between the probe and the coherent driving fields when an incoherent process is used to pump a Λ atomic system. Furthermore, the phase effect on the optical steady-state behaviors includi ...
... both strong enough. Wu and Gao [11] have found that the inversionless gain will be related to the relative phase between the probe and the coherent driving fields when an incoherent process is used to pump a Λ atomic system. Furthermore, the phase effect on the optical steady-state behaviors includi ...
Transmission of electromagnetic waves through sub
... explores the possibility of overcoming the barrier of miniaturization and designing subwavelength waveguides [1]. Another inventive approach to the problem of squeezing electromagnetic energies through sub-wavelength channels was also introduced [2], making use of ε-near zero (ENZ) materials. This i ...
... explores the possibility of overcoming the barrier of miniaturization and designing subwavelength waveguides [1]. Another inventive approach to the problem of squeezing electromagnetic energies through sub-wavelength channels was also introduced [2], making use of ε-near zero (ENZ) materials. This i ...
Reflection properties, anomalous group velocity and negative
... work on the principle of photonic band edges and they are extremely compact in nature. Recently, Mase et.al. [10] has shown that the frequency gap in a periodic array composed of alternating thin micro plasma and dielectric materials becomes larger with the increase of plasma density as well as plas ...
... work on the principle of photonic band edges and they are extremely compact in nature. Recently, Mase et.al. [10] has shown that the frequency gap in a periodic array composed of alternating thin micro plasma and dielectric materials becomes larger with the increase of plasma density as well as plas ...
Lab 1
... x axis and release to create a graph with "Light Intensity" on the y-axis, and "angular position" on the x-axis. Now, you are ready to take data. The best data will be obtained if the light source, polarizers, and light sensor are as close together as possible. 2). Be sure that each polarizer is set ...
... x axis and release to create a graph with "Light Intensity" on the y-axis, and "angular position" on the x-axis. Now, you are ready to take data. The best data will be obtained if the light source, polarizers, and light sensor are as close together as possible. 2). Be sure that each polarizer is set ...
Lens Aberrations
... Contains a molecular analogue of the wire grid. 1. Sheet of clear polyvinyl alcohol is heated and stretched. 2. Then it is dipped in an ink solution rich in Iodine. 3. Iodine is incorporated into straight long-chain polymeric molecules allowing electron conduction along the chain, simulating a metal ...
... Contains a molecular analogue of the wire grid. 1. Sheet of clear polyvinyl alcohol is heated and stretched. 2. Then it is dipped in an ink solution rich in Iodine. 3. Iodine is incorporated into straight long-chain polymeric molecules allowing electron conduction along the chain, simulating a metal ...
Fundamentals of Optical Interferometry for Thermal Expansion
... electronics, high speed photodetectors, CCD cameras and computerized data acquisition systems have considerably improved the versatility, range and resolution of interferometers, allowing a wide variety of applications (Table I). A major advantage of laser interferometry for length measurements is t ...
... electronics, high speed photodetectors, CCD cameras and computerized data acquisition systems have considerably improved the versatility, range and resolution of interferometers, allowing a wide variety of applications (Table I). A major advantage of laser interferometry for length measurements is t ...