Realization of optical carpets in the Talbot and
... and compares well with our optical experiments. We assume the grating at z = 0 to span the x/y plane with its periodic modulation in the x direction. A plane wave falls onto the grating with the wave number k = 2π /λ . For the Talbot effect we will assume normal incidence but averaging over non-zero ...
... and compares well with our optical experiments. We assume the grating at z = 0 to span the x/y plane with its periodic modulation in the x direction. A plane wave falls onto the grating with the wave number k = 2π /λ . For the Talbot effect we will assume normal incidence but averaging over non-zero ...
Axial intensity of apertured Bessel beams
... have attracted the attention of many scientists, who have proposed a great number of applications.8–12 Since finite-aperture optical elements are always present in any practical realization,13–18 a more realistic model for a Bessel beam has to include the presence, at a certain plane (z 5 0), of a w ...
... have attracted the attention of many scientists, who have proposed a great number of applications.8–12 Since finite-aperture optical elements are always present in any practical realization,13–18 a more realistic model for a Bessel beam has to include the presence, at a certain plane (z 5 0), of a w ...
OW1: Experiment on Planar Waveguides
... minimum transmission as viewed on the screen intersecting the beam. The polarizer must then be adjusted through 900 to obtain the required polarization state at optimum power. Firstly, the polarization state of the incident light should be arranged to be vertical to launch TE modes, using one of the ...
... minimum transmission as viewed on the screen intersecting the beam. The polarizer must then be adjusted through 900 to obtain the required polarization state at optimum power. Firstly, the polarization state of the incident light should be arranged to be vertical to launch TE modes, using one of the ...
Tunable properties of light propagation in photonic liquid crystal fibers
... sions. When effective refractive index of LC is higher than that silica glass, the light is guided by the PBG mechanism, but with temperature the indices contrast diminishes and, consequently, the PBG effect disappears due to the matching between solid-core and cladding refractive indices. The trans ...
... sions. When effective refractive index of LC is higher than that silica glass, the light is guided by the PBG mechanism, but with temperature the indices contrast diminishes and, consequently, the PBG effect disappears due to the matching between solid-core and cladding refractive indices. The trans ...
\ 204 207 208 209 210 21g \ 221 /
... have less than perfect conversion efficiency. Furthermore, the non-linear conversion ef?ciency may be adjustable. Consequently not all of the input light is necessarily con verted to “useful” Wavelength converted light. As such, some unconverted input light may remain as Waste light. Such Waste ligh ...
... have less than perfect conversion efficiency. Furthermore, the non-linear conversion ef?ciency may be adjustable. Consequently not all of the input light is necessarily con verted to “useful” Wavelength converted light. As such, some unconverted input light may remain as Waste light. Such Waste ligh ...
Theoretical and experimental investigation of direct detection optical
... 1 July 2013 | Vol. 21, No. 13 | DOI:10.1364/OE.21.015237 | OPTICS EXPRESS 15237 ...
... 1 July 2013 | Vol. 21, No. 13 | DOI:10.1364/OE.21.015237 | OPTICS EXPRESS 15237 ...
IOSR Journal of Applied Chemistry (IOSR-JAC) e-ISSN: 2278-5736.
... Donavan, J. W. (1973): “Ultraviolet Difference Spectroscopy: New Techiques and Applications” In: Methods in Enzymology, Academic press, C. H. W Hirs and S. N. Timasheff, p: 497 – 548. Horton, R. H.; Moran, A. L. and ochs, S. R. (2002): Principles of Biochemistry, 3ed ed., Prentice – Hall, Inc., (USA ...
... Donavan, J. W. (1973): “Ultraviolet Difference Spectroscopy: New Techiques and Applications” In: Methods in Enzymology, Academic press, C. H. W Hirs and S. N. Timasheff, p: 497 – 548. Horton, R. H.; Moran, A. L. and ochs, S. R. (2002): Principles of Biochemistry, 3ed ed., Prentice – Hall, Inc., (USA ...
An Optical Mask for Atomic Interferometry Experiments
... Interferometry, the idea of traversing two or more waves along different paths in a device and then recombining them to observe their interference, has long been a tool for researchers to make precision measurements of physical phenomena. A famous historical example is the Michelson-Morley experimen ...
... Interferometry, the idea of traversing two or more waves along different paths in a device and then recombining them to observe their interference, has long been a tool for researchers to make precision measurements of physical phenomena. A famous historical example is the Michelson-Morley experimen ...
Generation and detection of ultrabroadband terahertz radiation
... ・PC-generation/PC-detection scheme leads to smooth spectral distribution up to 8THz. ・PC-detection provides about 8 times better signal-to-noise-ratio than EO-detection up to frequencies in excess of 8THz. ...
... ・PC-generation/PC-detection scheme leads to smooth spectral distribution up to 8THz. ・PC-detection provides about 8 times better signal-to-noise-ratio than EO-detection up to frequencies in excess of 8THz. ...
adequate designs, even though these design adequacies were
... i4. Physical Arrangement The first iteration physical arrangement of the mechanical design is determined by consideration of the Optical Sensitivities, the environmental loads and any material or spatial restrictions. It is generally coarse in definition so that the geometrical configuration can be ...
... i4. Physical Arrangement The first iteration physical arrangement of the mechanical design is determined by consideration of the Optical Sensitivities, the environmental loads and any material or spatial restrictions. It is generally coarse in definition so that the geometrical configuration can be ...
Kathy Geise `08 - DU Portfolio
... The stellar atmosphere contains the outermost layers of the star and includes the region from which photons escape the star and become visible. Particles in the stellar atmosphere are not completely ionized and the temperature, pressure and density are much lower than in the interior. Stars are so l ...
... The stellar atmosphere contains the outermost layers of the star and includes the region from which photons escape the star and become visible. Particles in the stellar atmosphere are not completely ionized and the temperature, pressure and density are much lower than in the interior. Stars are so l ...
New Coordination Compounds of Copper(II) with
... Analysis of IR vibrational spectra: The spectra of the coordination compounds of copper(II) with guanidinopyrimidines are very complicated and the entire assignment of all the absorption bands is impossible. However, a careful study might lead to some important structural conclusions. The frequencie ...
... Analysis of IR vibrational spectra: The spectra of the coordination compounds of copper(II) with guanidinopyrimidines are very complicated and the entire assignment of all the absorption bands is impossible. However, a careful study might lead to some important structural conclusions. The frequencie ...
Deviation from Snell`s law for beams transmitted
... with respect to the f irst-order asymptotic term derived in Eq. (4). Second, there is another saddle point, s̃0 苷 cos 共ui 兲, which corresponds to angular components with grazing incidence to the interface. Because the Fresnel transmission factor vanishes for such components, s̃0 contributes to the i ...
... with respect to the f irst-order asymptotic term derived in Eq. (4). Second, there is another saddle point, s̃0 苷 cos 共ui 兲, which corresponds to angular components with grazing incidence to the interface. Because the Fresnel transmission factor vanishes for such components, s̃0 contributes to the i ...
Sample questions on optical fibre section of course
... Discuss in detail the advantages / disadvantages of the three main types of fibre connection, fusion splice, mechanical splice and connectorisation. ...
... Discuss in detail the advantages / disadvantages of the three main types of fibre connection, fusion splice, mechanical splice and connectorisation. ...
