Zobrazeno 1 - 10 of 63 pro vyhledávání: '"J. M. Hammer"'
2
Study of refractive index of GeO(2):SiO(2) mixtures using deposited-thin-film optical waveguides: erratum
Autor: Clyde C. Neil, J. M. Hammer, Agnes S. Huang, Yehuda Arie
Publikováno v: Applied optics. 25(12)
Refractive indices of deposited thin films of amorphous GeO2:SiO2 mixtures were determined by multimode optical waveguide measurement techniques at four different wavelengths and used to characterize waveguide properties as a function of material com
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b95dbaa84307489ae90f667a74b4456d
https://pubmed.ncbi.nlm.nih.gov/20448740
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5
Formation of lithium niobate-tantalate waveguides
Autor: W. Phillips, J. M. Hammer
Publikováno v: Journal of Electronic Materials. 4:549-565
Low loss diffused lithium niobate-tantalate waveguides exhibiting strong electrooptic coefficients have been made by a simple processing procedure. The formation of these waveguides takes place by the conversion of a Nb metal film to Nb oxide at a lo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2054932092d3f3c7bedd556cf1df49a5
https://doi.org/10.1007/bf02666235
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6
Closed form theory of multicavity reflectors and the output power of external cavity diode lasers
Autor: J. M. Hammer
Publikováno v: IEEE Journal of Quantum Electronics. 20:1252-1259
A closed form solution for the transmission and reflection coefficients of a double cavity Fabry-Perot resonator is given. The explicit expressions for these coefficients are used in a formula to give the output power of diode lasers coupled to multi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ee1d8c005329e266fda7c9e0305192e
https://doi.org/10.1109/jqe.1984.1072303
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7
Observations and theory of high-power butt coupling to LiNbO3-type waveguides
Autor: C. Neil, J. M. Hammer
Publikováno v: IEEE Journal of Quantum Electronics. 18:1751-1758
We report the study and observation of high-efficiency (greater than 60 percent) and high-power (13 mW CW and 27 mW, 5 μs 5 percent duty cycle pulse) butt coupling of diode lasers to indiffused LiNbO 3 -type waveguides. We verified the predictions o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a24773145de5f27fcb8c274a4c5d23fe
https://doi.org/10.1109/jqe.1982.1071423
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8
Measurements of Electron Impact Excitation Cross Sections of Laser States of Argon(II)
Autor: C. P. Wen, J. M. Hammer
Publikováno v: The Journal of Chemical Physics. 46:1225-1230
Cross sections for the excitation of the upper laser levels 4p2D5/2, 2D3/2, 2P3/2, and 2S1/2 of Ar (II) by electron impact with ground‐state neutral atoms have been found by measuring the incoherent light produced by a triode‐type structure fille
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63976fd351a39eecd3c4d098cd6da6ed
https://doi.org/10.1063/1.1840839
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10
Low‐loss single‐mode optical waveguides and efficient high‐speed modulators of LiNbxTa1−xO3 on LiTaO3
Autor: W. Phillips, J. M. Hammer
Publikováno v: Applied Physics Letters. 24:545-547
Low‐loss LiNbxTa1−xO3 optical waveguides have been made by a simple diffusion technique. They are used to demonstrate over 80% base band electro‐optic modulation with frequency capabilities extending to the microwave range. Voltages below 5 V a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6323d622f2be78b38c9ffc34714cfdcd
https://doi.org/10.1063/1.1655047
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