A new optical configuration in speckle interferometry for contouring
... fringes when recorded on a photographic plate due to the presence of high dc component in the irradiance distribution w9x. The dc term is conveniently removed and implemented in ESPIrDSPI in the subtraction mode of operation. Ganesan and Sirohi w6x reported that the contour interval obtainable is 5– ...
... fringes when recorded on a photographic plate due to the presence of high dc component in the irradiance distribution w9x. The dc term is conveniently removed and implemented in ESPIrDSPI in the subtraction mode of operation. Ganesan and Sirohi w6x reported that the contour interval obtainable is 5– ...
Novel Machine Learning Approaches to Molecular Coherent Control
... 580 nm represented as delay functions. These functions are calculated as the derivative of the spectral phase and give a 1-D approximation to a Wigner function. Like many of the solutions obtained at other wavelengths, the optimal functions in Figure 4 are roughly symmetric about some frequency near ...
... 580 nm represented as delay functions. These functions are calculated as the derivative of the spectral phase and give a 1-D approximation to a Wigner function. Like many of the solutions obtained at other wavelengths, the optimal functions in Figure 4 are roughly symmetric about some frequency near ...
Optical Fourier techniques for medical image processing and phase
... developed several nonlinear filtering techniques for selfadaptive and real-time computing. Organic and biological molecules, photorefractive polymers, and liquid crystals are used as the nonlinear medium. Kato and Goodman demonstrated logarithmic filtering by placing a halftone contact screen (periodi ...
... developed several nonlinear filtering techniques for selfadaptive and real-time computing. Organic and biological molecules, photorefractive polymers, and liquid crystals are used as the nonlinear medium. Kato and Goodman demonstrated logarithmic filtering by placing a halftone contact screen (periodi ...
Effects of Quantum well Size Alteration on Excitonic Population
... interact, the population of ground state will oscillate in time at the beat frequency of two input beam. This phenomenon is called coherent population oscillation [16]. In the rest of this section, we consider a slow light system with excitonic population oscillation which is described in [1]. In a ...
... interact, the population of ground state will oscillate in time at the beat frequency of two input beam. This phenomenon is called coherent population oscillation [16]. In the rest of this section, we consider a slow light system with excitonic population oscillation which is described in [1]. In a ...
Nonparaxial Mathieu and Weber Accelerating Beams Peng Zhang, Yi Hu, Tongcang Li,
... (MABs) and Weber accelerating beams (WABs), generalizing the concept of previously discovered accelerating beams into the full domain of the wave equation. Such new families of accelerating beams, found as exact solutions of the HE in different coordinate systems without the need of using the paraxi ...
... (MABs) and Weber accelerating beams (WABs), generalizing the concept of previously discovered accelerating beams into the full domain of the wave equation. Such new families of accelerating beams, found as exact solutions of the HE in different coordinate systems without the need of using the paraxi ...
Raman spectroscopy: Watching a molecule breathe
... SECARS traces. Although being very specific to the time-resolved wave packet interference experiments, statistical analysis of the phase noise, as shown by Yampolsky et al., can also be used to distinguish the signal from one, two or many molecules with a reasonably high reliability, thus adding a f ...
... SECARS traces. Although being very specific to the time-resolved wave packet interference experiments, statistical analysis of the phase noise, as shown by Yampolsky et al., can also be used to distinguish the signal from one, two or many molecules with a reasonably high reliability, thus adding a f ...
Inverse Design of Optical Antennas for Sub-Wavelength Energy Delivery
... rate of up to 10 m/s, the optical system must heat the media by 200 K within 1 ns which amounts to ~1 mW delivered to a 30 nm spot [2,3]. Hence, for practical diode laser powers, the system must achieve an energy coupling efficiency of at least 5% or 105 times the transmission of tapered fiber. This ...
... rate of up to 10 m/s, the optical system must heat the media by 200 K within 1 ns which amounts to ~1 mW delivered to a 30 nm spot [2,3]. Hence, for practical diode laser powers, the system must achieve an energy coupling efficiency of at least 5% or 105 times the transmission of tapered fiber. This ...
Recent progress in investigating optical rogue waves
... In a different theoretical description, the initial phase of modulation instability has been shown to lead to the emergence of structures of Akhmediev breathers [43, 52]. The particular limiting case of the Peregrine solution [53] of the nonlinear Schrödinger equation has been seen in controlled ex ...
... In a different theoretical description, the initial phase of modulation instability has been shown to lead to the emergence of structures of Akhmediev breathers [43, 52]. The particular limiting case of the Peregrine solution [53] of the nonlinear Schrödinger equation has been seen in controlled ex ...
Observation of Cooper minimum in Krypton using high harmonic
... krypton is more difficult to detect because it is at a higher energy of 85 eV, and it is not as deep. In addition, due to krypton’s low ionization potential, it is difficult to get the high harmonic spectrum to extend past 80 eV using 800 nm laser sources. Using a novel laser source, we resolve the ...
... krypton is more difficult to detect because it is at a higher energy of 85 eV, and it is not as deep. In addition, due to krypton’s low ionization potential, it is difficult to get the high harmonic spectrum to extend past 80 eV using 800 nm laser sources. Using a novel laser source, we resolve the ...
DOWNLOAD Lesson 201 Handout
... The form of electromagnetic radiation your eyes can detect is called ``visible'' or ``optical''. Astronomers have only recently (within the past few decades) been able to use the other forms of electromagnetic radiation or light. Every time technology has been developed to detect another form of lig ...
... The form of electromagnetic radiation your eyes can detect is called ``visible'' or ``optical''. Astronomers have only recently (within the past few decades) been able to use the other forms of electromagnetic radiation or light. Every time technology has been developed to detect another form of lig ...
Manipulating atoms with photons (Nobel lecture of C. Cohen
... The Doppler friction responsible for the cooling is necessarily accompanied by fluctuations due to the fluorescence photons which are spontaneously emitted in random directions and at random times. These photons communicate to the atom a random recoil momentum \k, responsible for a momentum diffusio ...
... The Doppler friction responsible for the cooling is necessarily accompanied by fluctuations due to the fluorescence photons which are spontaneously emitted in random directions and at random times. These photons communicate to the atom a random recoil momentum \k, responsible for a momentum diffusio ...
Open the publication - UEF Electronic Publications
... Kerr nonlinear optical properties of subwavelength periodic nanostructures are investigated theoretically, numerically, and experimentally. Both metal-dielectric and all-dielectric structures are examined. In the subwavelength regime, when the feature sizes approach the wavelength of light, approxim ...
... Kerr nonlinear optical properties of subwavelength periodic nanostructures are investigated theoretically, numerically, and experimentally. Both metal-dielectric and all-dielectric structures are examined. In the subwavelength regime, when the feature sizes approach the wavelength of light, approxim ...
if there is any current in the river
... other confirming experiments, the wave theory came to be considered almost gospel, but it begged the question: What was doing the waving? ...
... other confirming experiments, the wave theory came to be considered almost gospel, but it begged the question: What was doing the waving? ...
The Optical Design of Miniaturized Microscope Objective for CARS
... sample, and then transformed to scattering light signals to visualize the morphological details such as forward-detected CARS (F-CARS), epi-detected CARS (E-CARS), two-photon excitation fluorescence (TPEF), and sum frequency generation (SFG) signals [11]. From the viewpoint of optical design, two pu ...
... sample, and then transformed to scattering light signals to visualize the morphological details such as forward-detected CARS (F-CARS), epi-detected CARS (E-CARS), two-photon excitation fluorescence (TPEF), and sum frequency generation (SFG) signals [11]. From the viewpoint of optical design, two pu ...