Magnetars: properties, origin and evolution
... spectra below 10 keV is provided by a blackbody model with temperature kTBB ∼0.5 keV, plus either a power-law or a second blackbody component (Oosterbroek et al. 1998; White et al. 1996; Patel et al. 2001; Mereghetti et al. 2005b, 2006). Contrary to the case of rotation-powered neutron stars, for wh ...
... spectra below 10 keV is provided by a blackbody model with temperature kTBB ∼0.5 keV, plus either a power-law or a second blackbody component (Oosterbroek et al. 1998; White et al. 1996; Patel et al. 2001; Mereghetti et al. 2005b, 2006). Contrary to the case of rotation-powered neutron stars, for wh ...
Aperture interference and the volumetric resolution of light field
... The defocus OTF enables fast assessment of the merits of various aperture mask schemes. This is most easily illustrated with the toy model in Fig. 2 of a 1D aperture and a specimen spanning just one lateral and one axial dimension. As a first analysis, we tested our hypothesis that the interference ...
... The defocus OTF enables fast assessment of the merits of various aperture mask schemes. This is most easily illustrated with the toy model in Fig. 2 of a 1D aperture and a specimen spanning just one lateral and one axial dimension. As a first analysis, we tested our hypothesis that the interference ...
technical paper
... cost of a wide variety of materials. By applying reflective and color coatings, less expensive base materials can be used and lifetimes extended. Instead of using colored glass, architectural coatings can be applied to regular glass to obtain a range of colors not possible with the original substrat ...
... cost of a wide variety of materials. By applying reflective and color coatings, less expensive base materials can be used and lifetimes extended. Instead of using colored glass, architectural coatings can be applied to regular glass to obtain a range of colors not possible with the original substrat ...
Why random potentials?
... Interference pattern of an interacting BEC released from a 3D optical lattice approaching the quantum transition: ...
... Interference pattern of an interacting BEC released from a 3D optical lattice approaching the quantum transition: ...
Elastic stretchable optical fibers
... The utilization of soft materials in the design of optical systems provides opportunities for imparting these optical systems with completely unprecedented properties. This will enhance performance of systems, such as optical fibers, and enable new application scenarios. Here, we report the design, ...
... The utilization of soft materials in the design of optical systems provides opportunities for imparting these optical systems with completely unprecedented properties. This will enhance performance of systems, such as optical fibers, and enable new application scenarios. Here, we report the design, ...
Radiative Transfer Theory - UCL Department of Geography
... scattering from canopies at optical wavelengths (Ross, 1981). This approach first exploited in the microwave scattering context during the 1980s. The models take as a starting point consideration of energy balance across an elemental volume. This links energy into the volume (either energy incident ...
... scattering from canopies at optical wavelengths (Ross, 1981). This approach first exploited in the microwave scattering context during the 1980s. The models take as a starting point consideration of energy balance across an elemental volume. This links energy into the volume (either energy incident ...
Holographic particle image velocimetry
... involved in obtaining them. As an example from standard optical metrology, HI has been available for decades, yet only through its digital version DSPI did it find a way into everyday diagnostics. Full-scale digital holography on CCDsensors, however, still has shortcomings compared to full-field hol ...
... involved in obtaining them. As an example from standard optical metrology, HI has been available for decades, yet only through its digital version DSPI did it find a way into everyday diagnostics. Full-scale digital holography on CCDsensors, however, still has shortcomings compared to full-field hol ...
Size Influence on the Propagation Loss Induced by Sidewall
... potentiality of monolithic integration of optical and electronic functions on a single substrate. As silicon is transparent at wavelengths larger than 1.1 m, including the optical communication bands, the silicon film of SOI substrates can be used to fabricate low-loss submicrometer optical waveguid ...
... potentiality of monolithic integration of optical and electronic functions on a single substrate. As silicon is transparent at wavelengths larger than 1.1 m, including the optical communication bands, the silicon film of SOI substrates can be used to fabricate low-loss submicrometer optical waveguid ...
Optical interconnection technology in switches, routers, and optical
... early commercial link, the Motorola OPTOBUS has ten parallel fibers, each carrying data at a bit rate of 400 Mbit/s, which gives an aggregated bandwidth of 4 Gbit/s [18]. Bi-directional links are also possible, where some fibers in the fiber-ribbon cables are dedicated for each direction [19]. Furth ...
... early commercial link, the Motorola OPTOBUS has ten parallel fibers, each carrying data at a bit rate of 400 Mbit/s, which gives an aggregated bandwidth of 4 Gbit/s [18]. Bi-directional links are also possible, where some fibers in the fiber-ribbon cables are dedicated for each direction [19]. Furth ...
NONLINEAR SCATTERING EFFECTS IN OPTICAL FIBERS
... The Raman scattering effect is the inelastic scattering [1] of a photon with an optical phonon, which originates from a finite response time of the third order nonlinear polarization [20] of the material. When a monochromatic light beam propagates in an optical fiber, spontaneous Raman scattering (Figu ...
... The Raman scattering effect is the inelastic scattering [1] of a photon with an optical phonon, which originates from a finite response time of the third order nonlinear polarization [20] of the material. When a monochromatic light beam propagates in an optical fiber, spontaneous Raman scattering (Figu ...
A Disintegrating Minor Planet Transiting a White Dwarf
... interesting or significant signals, but on two nights we observed deep (up to 40%), short-duration (5 minutes), asymmetric transits separated by the dominant 4.5 hour period identified in the K2 data (Figure 3). In particular, we detected two transits 4.5 hours apart on the night of 11 April, 2015 w ...
... interesting or significant signals, but on two nights we observed deep (up to 40%), short-duration (5 minutes), asymmetric transits separated by the dominant 4.5 hour period identified in the K2 data (Figure 3). In particular, we detected two transits 4.5 hours apart on the night of 11 April, 2015 w ...
Photodissociation of HBr. 1. Electronic Structure, Photodissociation
... There have been many previous theoretical studies of the ground state of HBr and its associated dipole moment.33-35 However, the number of calculations of the excited states is limited.14,36 Therefore, we have undertaken an ab initio investigation of the twelve electronic states, X1Σ+ (nondegenerate ...
... There have been many previous theoretical studies of the ground state of HBr and its associated dipole moment.33-35 However, the number of calculations of the excited states is limited.14,36 Therefore, we have undertaken an ab initio investigation of the twelve electronic states, X1Σ+ (nondegenerate ...