Results 231 to 240 of about 2,778,439 (289)

Microfiber Interferometric Sensor for Ultrasound Detection. [PDF]

Sensors (Basel)
Wang X, Zhou J, Zheng SX, Wang Z, Tang B, Li H.   +5 more
europepmc   +1 more source

Inhibited radiative decay enhances single-photon emitters. [PDF]

Nat Commun
Burger F, Rinner S, Gritsch A, Sandholzer K, Reiserer A.   +4 more
europepmc   +1 more source

Terahertz generation and detection through gain-enhanced interband photomixing in quantum well structures. [PDF]

Nat Commun
Zhao Y, Zumrat SE, Tsao SA, Jarrahi M.
europepmc   +1 more source

Nondestructive Characterization of Internal Defects in Fiber Couplers Using OFDR-Based Thermal Excitation. [PDF]

Sensors (Basel)
Lin H, Fu M, Zhang X, Lin C, Yang J.
europepmc   +1 more source

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Tapered enlarged ends in multimode optical fibers

Applied Optics, 1982
Radiation characteristics of multimode fibers with enlarged tapers were investigated on a number of samples obtained by varying the fiber drawing speed with a given law corresponding to a prefixed taper profile. The characterization of the fibers was made by near- and far-field intensity pattern measurements as well as by measuring the losses ...
Brenci M, Falciai R, Scheggi AM
openaire   +3 more sources

Manipulation of tapered optical fibers

2009 III Conference of University of Guanajuato IEEE Students Chapter (IEEExPO), 2009
Tapered optical fibers are difficult to handle when they have a diameter below 15 micrometers. Given the fragility of tapered region, an automatic mechanism to handle will assure that the optical fiber will not be broken because of shearing stress induced by manipulating if manually.
Uriel H Hernandez-Belmonte, Victor Ayala-Ramirez, David Monzon-Hernandez   +2 more
openaire   +1 more source

Dye lasers using tapered optical fibers

Applied Optics, 1993
A new type of dye laser operating in a single-mode optical fiber has been studied. The gain is produced by surrounding a tapered section of the fiber with laser dye. Interaction of the light in the fiber with the laser dye is achieved through the exposed evanescent field at the taper waist.
G J, Pendock, H S, Mackenzie, F P, Payne
openaire   +2 more sources

Tapered Optical Fibers For Solar Energy Applications

SPIE Proceedings, 1986
Opitical fibers with not uniform terminations to be used for a better collection and trasmission of light have been carefully analyzed. The coupling efficiency of a plane wave with a linearly tapered fiber has been calculated in different geometrical conditions. Developments and some interesting applications are discussed.
Reale F., VIGO, Paolo, Cutolo A.
openaire   +3 more sources

Forward Brillouin scattering in tapered optical fibers

2008 Conference on Lasers and Electro-Optics, 2008
We experimentally study forward Brillouin scattering in tapered fibers. Circularly symmetric acoustic phonons resonant in fibers are observed by using a novel photoacoustic measurement technique. Strong acousto-optic interaction can take place in highly tapered fibers.
Kang, M., Brenn, A., Wiederhecker, G., Russell, P.   +3 more
openaire   +2 more sources

Correcting image distortion with fiber-optic tapers

Applied Optics, 1988
We examine an ultraviolet camera used aboard a rotating spacecraft where the image motion due to spacecraft spin is canceled by synchronously stepping the image charge accumulating in a charge coupled detector. Critical to this procedure is the flattening of a velocity field associated with the spherical focal surface of the Burch configuration camera.
R A, King, A L, Broadfoot, B R, Sandel, A V, Jones   +3 more
openaire   +2 more sources