Search Results - "Sanghera, J.S"

Chalcogenide Glass-Fiber-Based Mid-IR Sources and Applications by Sanghera, J.S., Brandon Shaw, L., Aggarwal, I.D.

“…The Naval Research Laboratory (NRL) is developing chalcogenide glass fibers for applications in the mid-and long-wave IR wavelength regions from 2 to 12 mum…”
Get full text

Mid-wave IR and long-wave IR laser potential of rare-earth doped chalcogenide glass fiber by Shaw, L.B., Cole, B., Thielen, P.A., Sanghera, J.S., Aggarwal, I.D.

“…The mid-wave IR and long-wave IR laser potential of rare-earth ions in chalcogenide glass fiber is reviewed. Spectroscopic data for the mid-wave and long-wave…”
Get full text

Infrared Scanning Near-Field Optical Microscopy Below the Diffraction Limit by Sanghera, J.S., Aggarwal, I.D., Cricenti, A., Generosi, R., Luce, M., Perfetti, P., Margaritondo, G., Tolk, N.H., Piston, D.

“…Infrared scanning near-field optical microscopy (IR-SNOM) is an extremely powerful analytical instrument since it combines IR spectroscopy's high chemical…”
Get full text

Bacterial lipopolysaccharide induces tyrosine phosphorylation and activation of mitogen-activated protein kinases in macrophages by WEINSTEIN, S. L, SANGHERA, J. S, LEMKE, K, DEFRANCO, A. L, PELECH, S. L

“…Bacterial lipopolysaccharide (LPS) is a potent activator of antibacterial responses by macrophages. Following LPS stimulation, the tyrosine phosphorylation of…”
Get full text

Definition of a consensus sequence for peptide substrate recognition by p44mpk, the meiosis-activated myelin basic protein kinase by Clark-Lewis, I., Sanghera, J.S., Pelech, S.L.

“…Synthetic peptides have been used to define the consensus amino acid sequence for substrate recognition by the meiosis-activated myelin basic protein (MBP)…”
Get full text

Fabrication of single-mode chalcogenide optical fiber by Mossadegh, R., Sanghera, J.S., Schaafsma, D., Cole, B.J., Nguyen, V.Q., Miklos, R.E., Aggarwal, I.D.

“…Long lengths (>150 m) of single-mode chalcogenide optical fiber were fabricated by a double crucible technique. Single-mode transmission through 10 m of…”
Get full text

AFM and SNOM characterization of carboxylic acid terminated silicon and silicon nitride surfaces by Cricenti, A., Longo, G., Luce, M., Generosi, R., Perfetti, P., Vobornik, D., Margaritondo, G., Thielen, P., Sanghera, J.S., Aggarwal, I.D., Miller, J.K., Tolk, N.H., Piston, D.W., Cattaruzza, F., Flamini, A., Prosperi, T., Mezzi, A.

“…Silicon and silicon nitride surfaces have been successfully terminated with carboxylic acid monolayers and investigated by atomic force microscopy (AFM) and…”
Get full text

Phosphorylation of smooth muscle caldesmon by mitogen-activated protein (MAP) kinase and expression of MAP kinase in differentiated smooth muscle cells by CHILDS, T. J, WATSON, M. H, SANGHERA, J. S, CAMPBELL, D. L, PELECH, S. L, MAK, A. S

“…Smooth muscle caldesmon was phosphorylated in vitro by sea star p44mpk up to 2.0 mol of phosphate/mol of protein at both Ser and Thr residues. The…”
Get full text

Effect of heating on the optical loss in the As-Se glass fiber by Nguyen, V.Q., Sanghera, J.S., Pureza, P.C., Aggarwal, I.D.

“…The increase in the optical loss of the IR-transmitting arsenic-selenide glass fiber in the temperature range of 150/spl deg/C /spl ges/T/spl ges/ 20/spl deg/C…”
Get full text

Cu(In,Ga)Se 2 thin films and devices sputtered from a single target without additional selenization by Frantz, J.A., Bekele, R.Y., Nguyen, V.Q., Sanghera, J.S., Bruce, A., Frolov, S.V., Cyrus, M., Aggarwal, I.D.

“…Typically, Cu(In,Ga)Se 2 (CIGS) thin films for photovoltaic devices are deposited by co-evaporation or, alternately, by deposition of the metals with or…”
Get full text

Recent progress in chalcogenide fiber technology at NRL by Kim, W.H., Nguyen, V.Q., Shaw, L.B., Busse, L.E., Florea, C., Gibson, D.J., Gattass, R.R., Bayya, S.S., Kung, F.H., Chin, G.D., Miklos, R.E., Aggarwal, I.D., Sanghera, J.S.

“…The chalcogen glasses (i.e., glasses based on the elements S, Se, and Te) are transparent in the infrared (IR), possess low phonon energies, are chemically…”
Get full text

Very large temperature-induced absorptive loss in high Te-containing chalcogenide fibers by Nguyen, V.Q., Sanghera, J.S., Kung, F.H., Pureza, P.C., Aggarwal, I.D.

“…The change in the absorption loss relative to room temperature of the infrared (IR)-transmitting Ge/sub 15/As/sub 35/Se/sub (50-x)/Te/sub x/ glass fibers in…”
Get full text

Cu(In,Ga)Se2 thin films and devices sputtered from a single target without additional selenization by FRANTZ, J. A, BEKELE, R. Y, NGUYEN, V. Q, SANGHERA, J. S, BRUCE, A, FROLOV, S. V, CYRUS, M, AGGARWAL, I. D

“…Typically, Cu(In,Ga)Se2 (CIGS) thin films for photovoltaic devices are deposited by co-evaporation or, alternately, by deposition of the metals with or…”
Get full text

Active and passive chalcogenide glass optical fibers for IR applications: a review by Sanghera, J.S, Aggarwal, I.D

“…Chalcogenide glass fibers based on sulfide, selenide, telluride and their rare earth doped compositions are being actively investigated worldwide. Great…”
Get full text

Non-linear properties of chalcogenide glasses and fibers by Sanghera, J.S., Florea, C.M., Shaw, L.B., Pureza, P., Nguyen, V.Q., Bashkansky, M., Dutton, Z., Aggarwal, I.D.

“…High purity chalcogenide glasses were prepared in the series As2S(3−x)Sex where x=0 to 3. The measured third order non-linearities increase with the value of…”
Get full text

Transparent nanocrystalline spinel by room temperature high-pressure compaction by Wollmershauser, J.A., Feigelson, B.N., Qadri, S.B., Villalobos, G.R., Hunt, M., Imam, M.A., Sanghera, J.S.

“…The present work demonstrates that high pressures alone can initiate and drive densification in nanopowder magnesium aluminate compacts without the application…”
Get full text

A mid-IR source with increased bandwidth using tapered As2S3 chalcogenide photonic crystal fibers by Hu, J., Menyuk, C.R., Shaw, L.B., Sanghera, J.S., Aggarwal, I.D.

“…We present simulation results for supercontinuum generation using tapered As2S3 chalcogenide photonic crystal fibers (PCFs). We demonstrate that an increased…”
Get full text

Fabrication of low-loss IR-transmitting Ge/sub 30/As/sub 10/Se/sub 30/Te/sub 30/ glass fibers by Sanghera, J.S., Nguyen, V.Q., Pureza, P.C., Kung, F.H., Miklos, R., Aggarwal, I.D.

“…Improved purification and processing techniques have been utilized to fabricate Ge/sub 30/As/sub 10/Se/sub 30/Te/sub 30/ glass fibers with a minimum loss of…”
Get full text

A mid-IR source with increased bandwidth using tapered chalcogenide photonic crystal fibers by Hu, J., Menyuk, C.R., Shaw, L.B., Sanghera, J.S., Aggarwal, I.D.

“…We present simulation results for supercontinuum generation using tapered As 2 S 3 chalcogenide photonic crystal fibers (PCFs). We demonstrate that an…”
Get full text

Fiber Bragg gratings in As2S3 fibers obtained using a 0/−1 phase mask by Florea, C., Sanghera, J.S., Shaw, B., Aggarwal, I.D.

“…We demonstrate the generation of fiber Bragg gratings in As2S3 fibers using a 633 nm HeNe laser and a 0/−1 phase mask. In a 20-micron core fiber, 17-dB…”
Get full text