Results 201 to 210 of about 25,653 (262)
Some of the next articles are maybe not open access.
Archives of Ophthalmology, 1996
Modern vitreous surgery has been greatly facilitated, if not made possible, by the intraocular fiberoptic light pipe. In its current state, the light pipe is a straight, bright illuminator that allows direct visualization of what it shines on. 1 This is limiting when used with small opacities that have a refractive index similar to their surroundings ...
P J, Kertes, G A, Peyman
openaire +2 more sources
Modern vitreous surgery has been greatly facilitated, if not made possible, by the intraocular fiberoptic light pipe. In its current state, the light pipe is a straight, bright illuminator that allows direct visualization of what it shines on. 1 This is limiting when used with small opacities that have a refractive index similar to their surroundings ...
P J, Kertes, G A, Peyman
openaire +2 more sources
Review of Scientific Instruments, 1964
A flexible light pipe was devised for coupling between a photomultiplier tube and a scintillator. The light pipe comprises a convoluted Neoprene rubber tube coated on the inside with titanium oxide pigment in a vinyl base and filled with glycerine. The glycerine is separated from the pliotomultiplier by a short Lucite section.
Neville W. Reay, Larry M. Preston
openaire +1 more source
A flexible light pipe was devised for coupling between a photomultiplier tube and a scintillator. The light pipe comprises a convoluted Neoprene rubber tube coated on the inside with titanium oxide pigment in a vinyl base and filled with glycerine. The glycerine is separated from the pliotomultiplier by a short Lucite section.
Neville W. Reay, Larry M. Preston
openaire +1 more source
Transport of Light by Optical Fibers and Light Pipes
2014The principle of propagation of light rays in a glass cylinder is the base of the technology of optical fibers. The fabrication of an optical fiber requires a coating (fiber cladding), whose refractive index is lower than that of the central part (fiber core).
Francini F, Fontani D, Sansoni P
openaire +2 more sources
Loss mechanisms in optical light pipes
Applied Optics, 1992A geometrical optics approach is used to develop a theoretical model for analyzing loss mechanisms in optical light pipes. Five mechanisms are identified: intrinsic absorption, bulk scattering, losses that are due to roughness at the core-cladding interface, losses that are due to large-scale defects at the core-cladding interface, and losses that are ...
J T, Remillard, M P, Everson, W H, Weber
openaire +2 more sources
Science, 2010
As data transmission rates continue to increase, optoelectronic engineers are developing techniques to deal with the approaching “capacity crunch.”
openaire +2 more sources
As data transmission rates continue to increase, optoelectronic engineers are developing techniques to deal with the approaching “capacity crunch.”
openaire +2 more sources
Light pipe for high intensity laser pulses
Physical Review Letters, 1993Optical guiding of intense laser pulses over a distance in excess of 20 Rayleigh lengths has recently been demonstrated1 using a two pulse technique. The first pulse prepares a shock-driven, axially extended radial electron density profile which guides a second pulse, injected after an optimum delay which increases with mass of the plasma ions.
, Durfee, , Milchberg
openaire +2 more sources
Nature Photonics, 2007
Fibre-to-the-home (FTTH) technology, which provides a high-speed optical-data link directly into the house or apartment, is now becoming very popular in Japan and Korea. Adarsh Sandhu spoke to the FTTH Council Asia Pacific about the status of the technology in the region.
openaire +1 more source
Fibre-to-the-home (FTTH) technology, which provides a high-speed optical-data link directly into the house or apartment, is now becoming very popular in Japan and Korea. Adarsh Sandhu spoke to the FTTH Council Asia Pacific about the status of the technology in the region.
openaire +1 more source
Elektro : stručni časopis za elektrotehniku, 1998
Pod stalnim pritiskom potrage za što ekonomičnijim rasvjetnim tijelima, neprestano se razvijaju nove tehnologije koje pak omogućuju izradu sve boljih sustava rasvjete. Kako bi i prostori u hrvatskoj zasjali novim, ekonomičnijim, a istodobno okolini zdravijim i sigurnijim svjetlom, donosimo vam prikaz posve novog i sofisticiranog sustava rasvjete ...
Košmeri, Zoran, Težak, Nenad
openaire +2 more sources
Pod stalnim pritiskom potrage za što ekonomičnijim rasvjetnim tijelima, neprestano se razvijaju nove tehnologije koje pak omogućuju izradu sve boljih sustava rasvjete. Kako bi i prostori u hrvatskoj zasjali novim, ekonomičnijim, a istodobno okolini zdravijim i sigurnijim svjetlom, donosimo vam prikaz posve novog i sofisticiranog sustava rasvjete ...
Košmeri, Zoran, Težak, Nenad
openaire +2 more sources
Simple light pipes for the Stereoscan
Journal of Physics E: Scientific Instruments, 1973Electron detectors have been made both for emissive and for transmission studies in the scanning electron microscope by depositing scintillation/phosphor material as a thin film on preshaped perspex rods. Compared with typical commercially available units, the light pipes are of low cost, comparable efficiency and can have a good service life.
P E Secker, A Rees, C C Sanger
openaire +1 more source
Journal of the Optical Society of America, 1976
Using mode theory, we calculate the crosstalk between overmoded optical fibers or light pipes when one fiber is illuminated by a focused collimated beam. The presence of many modes allows the summation of crosstalk power between individual modes to be converted to an integral expression.
Allan W. Snyder, Peter McIntyre
openaire +1 more source
Using mode theory, we calculate the crosstalk between overmoded optical fibers or light pipes when one fiber is illuminated by a focused collimated beam. The presence of many modes allows the summation of crosstalk power between individual modes to be converted to an integral expression.
Allan W. Snyder, Peter McIntyre
openaire +1 more source