Shaping the focal intensity distribution using spatial coherence
... shown. In Fig. 6(a) two regions can be distinguished, regions where the fields are approximately co-phasal [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ 1] and regions where the fields have opposite phases [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ −1]. In between these two regions the spectral degree of coheren ...
... shown. In Fig. 6(a) two regions can be distinguished, regions where the fields are approximately co-phasal [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ 1] and regions where the fields have opposite phases [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ −1]. In between these two regions the spectral degree of coheren ...
The NAD 3100 series of three-fiber optical multiplexers are used to
... The HWM 1100A series of DWDM optical passives are used to implement Harmonic's DWDM solutions. Due to their exceptional flatness and performance, these multiplexers can be used to either multiplex or demultiplex a set of wavelengths on the ITU Grid. This allows the operator to reduce the number of s ...
... The HWM 1100A series of DWDM optical passives are used to implement Harmonic's DWDM solutions. Due to their exceptional flatness and performance, these multiplexers can be used to either multiplex or demultiplex a set of wavelengths on the ITU Grid. This allows the operator to reduce the number of s ...
Fast-light for astrophysics - Laboratory for Atomic and Photonic
... LIGO detects gravitational waves by their effect on the arms of a Michelson interferometer. As a gravitational wave passes by, travelling normal to the plane in which the interferometer sits, it causes space to periodically contract along one axis of that plane and expand along the other. This induce ...
... LIGO detects gravitational waves by their effect on the arms of a Michelson interferometer. As a gravitational wave passes by, travelling normal to the plane in which the interferometer sits, it causes space to periodically contract along one axis of that plane and expand along the other. This induce ...
EXCITATION OF HELIUM ATOMS IN He
... (Note that the sublevels with M l = 1 are mainly occupied at the interaction of helium ions with helium atoms [20, 21]). Probably, the decrease of the polarization degree at the increase of the collision energy evidences of the increase of the magnetic sublevels with M l = 1. It may be condition b ...
... (Note that the sublevels with M l = 1 are mainly occupied at the interaction of helium ions with helium atoms [20, 21]). Probably, the decrease of the polarization degree at the increase of the collision energy evidences of the increase of the magnetic sublevels with M l = 1. It may be condition b ...
Exponential and Power-Law Kinetics in Single-Molecule
... and ambient air. The results are shown as histograms in Figure 4a. A considerable number of molecules investigated in air underwent rapid photodestruction preventing the determination of the triplet lifetime; therefore, the corresponding histogram contains only a total of 22 molecules. It peaked at ...
... and ambient air. The results are shown as histograms in Figure 4a. A considerable number of molecules investigated in air underwent rapid photodestruction preventing the determination of the triplet lifetime; therefore, the corresponding histogram contains only a total of 22 molecules. It peaked at ...
Prism Design
... representing the reflecting surface, the real image and the solid-line rays would coincide exactly with the virtual image and the dashed-line rays. A diagram showing both the original prism (ABC) and the folded counterpart (ABC′) is called a “tunnel diagram” (see Fig. 6.2). The rays a-a′ and b-b′ re ...
... representing the reflecting surface, the real image and the solid-line rays would coincide exactly with the virtual image and the dashed-line rays. A diagram showing both the original prism (ABC) and the folded counterpart (ABC′) is called a “tunnel diagram” (see Fig. 6.2). The rays a-a′ and b-b′ re ...
PowerPoint Presentation - Tip-tilt mirror and sensor configuration
... – Dispersion relation k (ω) is linear function of ω – Phase velocity or propagation speed = ω/ k = c = const. ...
... – Dispersion relation k (ω) is linear function of ω – Phase velocity or propagation speed = ω/ k = c = const. ...
A Study of the Phenomenon of Spontaneous Parametric Down
... A diagram of the experimental setup is illustrated in Fig. 2. The setup consists of a pump laser diode that was used to emit a photon beam having wavelength 405 nm which was directed using a mirror, which was designed to reflect light having wavelengths between 400 nm and 750 nm, through a uniaxial, ...
... A diagram of the experimental setup is illustrated in Fig. 2. The setup consists of a pump laser diode that was used to emit a photon beam having wavelength 405 nm which was directed using a mirror, which was designed to reflect light having wavelengths between 400 nm and 750 nm, through a uniaxial, ...
Distributed Temperature Sensing Using Stimulated
... particularly with development of fiber-grating-fabrication techniques [1], [2]. Based on a coherent scattering mechanism, the fiber gratings can be used as in-fiber reflector or filter for fiber-optic communications and sensors. It is well known that fiber Bragg gratings (FBGs) introduce a contradir ...
... particularly with development of fiber-grating-fabrication techniques [1], [2]. Based on a coherent scattering mechanism, the fiber gratings can be used as in-fiber reflector or filter for fiber-optic communications and sensors. It is well known that fiber Bragg gratings (FBGs) introduce a contradir ...
Elastic electron scattering by lead atom in the energy range from 10
... employing a complex optical potential approach. The potential Vopt (r,k) was constructed using only two parameters, namely the spherical dipole polarizability (αd ) and the ionization potential energy of the ground state of the target atom. After generating the full optical potential of the scatteri ...
... employing a complex optical potential approach. The potential Vopt (r,k) was constructed using only two parameters, namely the spherical dipole polarizability (αd ) and the ionization potential energy of the ground state of the target atom. After generating the full optical potential of the scatteri ...
Direct evidence of dust growth in L183 from mid
... Context. Theoretical arguments suggest that dust grains should grow in the dense cold parts of molecular clouds. Evidence of larger grains has so far been gathered in near/mid infrared extinction and millimeter observations. Interpreting the data is, however, aggravated by the complex interplay of d ...
... Context. Theoretical arguments suggest that dust grains should grow in the dense cold parts of molecular clouds. Evidence of larger grains has so far been gathered in near/mid infrared extinction and millimeter observations. Interpreting the data is, however, aggravated by the complex interplay of d ...
Chapter 4: Experimental Techniques
... the sample and of a series of standards. The standards contain known concentrations of the metal being analysed and are used to construct a calibration curve (see below). The atomic absorption spectrometer (Fig. 4.6) contains either a flame atomizer, a graphite furnace or an electrically heated atom ...
... the sample and of a series of standards. The standards contain known concentrations of the metal being analysed and are used to construct a calibration curve (see below). The atomic absorption spectrometer (Fig. 4.6) contains either a flame atomizer, a graphite furnace or an electrically heated atom ...
holography - UCSB Physics
... Prior to loading the film, the lab must be made as light-proof as possible. a) Lock the outside door so no one can walk in during an exposure. b) Pull the black cloth so that it covers the door. Check bottom for light leaks. c) Turn on GREEN safe light in the wet lab area. Close door in wet lab. Be ...
... Prior to loading the film, the lab must be made as light-proof as possible. a) Lock the outside door so no one can walk in during an exposure. b) Pull the black cloth so that it covers the door. Check bottom for light leaks. c) Turn on GREEN safe light in the wet lab area. Close door in wet lab. Be ...
Full-Text PDF
... down in less than a hundred seconds. It is usually argued that the balance of magnetic pressure with ram pressure from the disk can give an estimate of the possible magnetic flux accumulated around the central object. This argument is reasonable for accreting black hole systems such as AGNs and X-ra ...
... down in less than a hundred seconds. It is usually argued that the balance of magnetic pressure with ram pressure from the disk can give an estimate of the possible magnetic flux accumulated around the central object. This argument is reasonable for accreting black hole systems such as AGNs and X-ra ...