Search Results - "Hopkins, F. K."

Electron paramagnetic resonance and optical absorption study of acceptors in CdSiP2 crystals by Scherrer, E. M., Halliburton, L. E., Golden, E. M., Zawilski, K. T., Schunemann, P. G., Hopkins, F. K., Averett, K. L., Giles, N. C.

“…Cadmium silicon diphosphide (CdSiP2) is a nonlinear material often used in optical parametric oscillators (OPOs) to produce tunable laser output in the…”
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Periodically poled materials for long wavelength infrared (LWIR) NLO applications by Singh, N.B., Suhre, D.R., Green, K., Fernelius, N., Hopkins, F.K.

“…We carried out extensive studies to identify, synthesize, purify and grow crystals of a novel class of halides for nonlinear optical applications. Several…”
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Far-infrared conversion materials: Gallium selenide for far-infrared conversion applications by Singh, N.B., Suhre, D.R., Balakrishna, V., Marable, M., Meyer, R., Fernelius, N., Hopkins, F.K., Zelmon, D.

“…Northrop Grumman Corporation performed the experimental and theoretical studies to synthesize, grow and characterize centimeter size single crystals of an…”
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Rehabilitation and specialist palliative care by Hopkins, K F, Tookman, A J

“…Enabling individuals to achieve their maximum potential and quality of life following a diagnosis of advanced cancer, has long been a stated aim of palliative…”
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Growth and characterization of gallium selenide crystals for far-infrared conversion applications by Singh, N.B., Henningsen, T., Balakrishna, V., Suhre, D.R., Fernelius, N., Hopkins, F.K., Zelmon, D.E.

“…We have developed a method to synthesize large batch sizes of GaSe and have grown single crystals by the Bridgman method. Our results show a d value of 75 pV/m…”
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Modified GaSe crystals for mid-IR applications by Singh, N.B., Suhre, D.R., Rosch, W., Meyer, R., Marable, M., Fernelius, N.C., Hopkins, F.K., Zelmon, D.E., Narayanan, R.

“…We have synthesized stoichiometric batches of GaSe by reacting mixtures of the parent components and have grown centimeter-size modified single crystals of…”
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Defects responsible for gray tracks in flux-grown KTiOPO4 by Scripsick, M. P., LoIacono, D. N., Rottenberg, J., Goellner, S. H., Halliburton, L. E., Hopkins, F. K.

“…Electron paramagnetic resonance (EPR) has been used to identify the primary electron and hole traps responsible for ‘‘gray tracks’’ in flux-grown KTiOPO4(KTP)…”
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Optical sensors utilizing resonant modes in total reflection structures by Nelson, R.L., Haus, J.W., Birchfield, B., Hopkins, F.K., Grote, J.G.

“…This paper examines optical sensors that utilize the resonant modes within a Gires-Tournois interferometer. The sensor uses leaky wave type resonances present…”
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Bridgman growth of GaSe crystals for nonlinear optical applications by Singh, N.B, Narayanan, R, Zhao, A.X, Balakrishna, V, Hopkins, R.H, Suhre, D.R, Fernelius, N.C, Hopkins, F.K, Zelmon, D.E

“…We have grown and fabricated single crystals of gallium selenide for nonlinear optical applications in the mid-infrared wavelength region. A numerical method…”
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Electron paramagnetic resonance study of a native acceptor in as-grown ZnGeP2 by Rakowsky, M. H., Kuhn, W. K., Lauderdale, W. J., Halliburton, L. E., Edwards, G. J., Scripsick, M. P., Schunemann, P. G., Pollak, T. M., Ohmer, M. C., Hopkins, F. K.

“…Electron paramagnetic resonance (EPR) has been used to investigate an acceptor in as-grown single crystals of ZnGeP2. The spectra are characterized by equally…”
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Defect-related optical absorption bands in CdSiP_2 crystals by Scherrer, E. M., Kananen, B. E., Golden, E. M., Hopkins, F. K., Zawilski, K. T., Schunemann, P. G., Halliburton, L. E., Giles, N. C.

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Defect-related optical absorption bands in CdSiP sub(2) crystals by Scherrer, E M, Kananen, B E, Golden, E M, Hopkins, F K, Zawilski, K T, Schunemann, P G, Halliburton, L E, Giles, N C

“…When used as optical parametric oscillators, CdSiP sub(2) crystals generate tunable output in the mid-infrared. Their performance, however, is often limited by…”
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Processing techniques for deoxyribonucleic acid: Biopolymer for photonics applications by Heckman, Emily M., Hagen, Joshua A., Yaney, Perry P., Grote, James G., Hopkins, F. Kenneth

“…Marine-based deoxyribonucleic acid (DNA), purified from waste products of the Japanese fishing industry, has recently become a material of interest in…”
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Investigation of Polymers and Marine-Derived DNA in Optoelectronics by Grote, James G, Hagen, Joshua A, Zetts, John S, Nelson, Robert L, Diggs, Darnell E, Stone, Morley O, Yaney, Perry P, Heckman, Emily, Zhang, Cheng, Steier, William H, Jen, Alex K.-Y, Dalton, Larry R, Ogata, Naoya, Curley, Michael J, Clarson, Stephen J, Hopkins, Frank K

“…Our research in nonlinear optic (NLO) polymer-based electro-optic (EO) modulators has centered on optimizing device performance through the using of polymer…”
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Observation of difference-frequency generation by mixing of terahertz and near-infrared laser beams in a GaSe crystal by Shi, Wei, Ding, Yujie J., Fernelius, Nils, Ken Hopkins, F.

“…We have observed difference-frequency generation by mixing terahertz and near-infrared laser beams in a GaSe crystal (i.e., terahertz frequency upconversion)…”
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Infrared two-photon-excited visible lasing from a DNA-surfactant-chromophore complex by He, Guang S, Zheng, Qingdong, Prasad, Paras N, Grote, James G, Hopkins, Frank K

“…Infrared two-photon-pumped and cavity-enhanced frequency upconversion lasing has been achieved in a novel DNA-surfactant-chromophore complex (DSCC) gel system,…”
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DNA Photonics [Deoxyribonucleic Acid] by Grote, James G., Diggs, Darnell E., Nelson, Robert L., Zetts, John S., Hopkins, F. Kenneth, Ogata, Naoya, Hagen, Joshua A., Heckman, Emily, Yaney, Perry P., Stone, Morley O., Dalton, Larry R.

“…Purified deoxyribonucleic acid (DNA) derived from salmon and scallop sperm has demonstrated excellent passive and active optical properties. Characterization…”
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Enhanced electro-optic poling in guest–host systems using conductive polymer-based cladding layers by Drummond, James P., Clarson, Stephen J., Zetts, John S., Hopkins, F. Kenneth, Caracci, Stephen J.

“…We report on the development of conductive polymer-based cladding layers for use in multilayered electro-optic (EO) device structures. The waveguide claddings…”
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Modified GaSe crystals for mid-IR applications by SINGH, N. B, SUHRE, D. R, ROSCH, W, MEYER, R, MARABLE, M, FERNELIUS, N. C, HOPKINS, F. K, ZELMON, D. E, NARAYANAN, R

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Nonlinear materials extend the range of high-power lasers by HOPKINS, F. K

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