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Showing 1 to 12 of 172 entries
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Demonstration of a homogeneous Yb-doped core fully aperiodic large-pitch fiber laser.

Applied optics

Dauliat R, Benoît A, Darwich D, Jamier R, Kobelke J, Grimm S, Schuster K, Roy P.
PMID: 27534463
Appl Opt. 2016 Aug 10;55(23):6229-35. doi: 10.1364/AO.55.006229.

The first demonstration of a 40 μm core homogeneously ytterbium-doped fully aperiodic large-pitch fiber laser, to the best of our knowledge, is reported here. In this concept, the amplification of unwanted high-order modes is prevented by means of an...

Evaluation of multiple approaches to identify genome-wide polymorphisms in closely related genotypes of sweet cherry (.

Computational and structural biotechnology journal

Hewitt S, Kilian B, Hari R, Koepke T, Sharpe R, Dhingra A.
PMID: 28392892
Comput Struct Biotechnol J. 2017 Mar 18;15:290-298. doi: 10.1016/j.csbj.2017.03.002. eCollection 2017.

Identification of genetic polymorphisms and subsequent development of molecular markers is important for marker assisted breeding of superior cultivars of economically important species. Sweet cherry (

Correction: Comparison of Two Devices and Two Breathing Patterns for Exhaled Breath Condensate Sampling.

PloS one

Hüttmann EM, Greulich T, Koepke J, Nell C, Hattesohl A, Schmid S, Noeske S, Herr C, John G, Jörres RA, Müller B, Vogelmeier C, Koczulla AR.
PMID: 27018972
PLoS One. 2016 Mar 28;11(3):e0152620. doi: 10.1371/journal.pone.0152620. eCollection 2016.

No abstract available.

Experimental Evaluation of Unicast and Multicast CoAP Group Communication.

Sensors (Basel, Switzerland)

Ishaq I, Hoebeke J, Moerman I, Demeester P.
PMID: 27455262
Sensors (Basel). 2016 Jul 21;16(7). doi: 10.3390/s16071137.

The Internet of Things (IoT) is expanding rapidly to new domains in which embedded devices play a key role and gradually outnumber traditionally-connected devices. These devices are often constrained in their resources and are thus unable to run standard...

Silver metaphosphate glass wires inside silica fibers--a new approach for hybrid optical fibers.

Optics express

Jain C, Rodrigues BP, Wieduwilt T, Kobelke J, Wondraczek L, Schmidt MA.
PMID: 26906989
Opt Express. 2016 Feb 22;24(4):3258-67. doi: 10.1364/OE.24.003258.

Phosphate glasses represent promising candidates for next-generation photonic devices due to their unique characteristics, such as vastly tunable optical properties, and high rare earth solubility. Here we show that silver metaphosphate wires with bulk optical properties and diameters as...

Optimization of Parameters to Achieve High Yield and Purity Single-Walled Carbon Nanotube by Thermal and Chemical Oxidation and Its Effect on Conductivity.

Journal of nanoscience and nanotechnology

Goornavar V, Biradar S, Periyakaruppan A, Koehne J, Ramesh GT.
PMID: 27398571
J Nanosci Nanotechnol. 2016 Jan;16(1):1076-84. doi: 10.1166/jnn.2016.10509.

Single wall carbon nanotubes due to their unique structural and electronic characteristics have revolutionized the field of nanotechnology and are widely used the field of transistors, drug delivery, and nanocomposities. For improved efficiency of these applications, the utilized tubes...

Determination of the quadratic slope parameter in eta-->3pi(0) decay.

Physical review letters

Tippens WB, Prakhov S, Allgower CE, Bekrenev V, Berger E, Briscoe WJ, Clajus M, Comfort JR, Craig K, Efendiev A, Grosnick D, Holstein BR, Huber GM, Isenhower D, Knecht N, Koetke D, Koulbardis A, Kozlenko N, Kruglov S, Lolos GJ, Lopatin I, Manley DM, Marusić A, Manweiler R, McDonald S, Nefkens BM, Olmsted J, Papandreou Z, Phaisangittisakul N, Price JW, Pulver M, Ramirez AF, Sadler ME, Shafi A, Spinka H, Stanislaus S, Starostin A, Staudenmaier HM.
PMID: 11690403
Phys Rev Lett. 2001 Nov 05;87(19):192001. doi: 10.1103/PhysRevLett.87.192001. Epub 2001 Oct 22.

We have determined the quadratic slope parameter alpha for eta-->3pi(0) to be alpha = -0.031(4) from a 99% pure sample of 10(6)eta-->3pi(0) decays produced in the reaction pi(-)p-->n(eta) close to the eta threshold using the Crystal Ball detector at...

Hyperon star matter.

Nature

Koebke K, Hilf E, Ebert R.
PMID: 16057424
Nature. 1970 May 16;226(5246):625-6. doi: 10.1038/226625a0.

No abstract available.

Method to determine snow albedo values in the ultraviolet for radiative transfer modeling.

Applied optics

Schwander H, Mayer B, Ruggaber A, Albold A, Seckmeyer G, Koepke P.
PMID: 18319993
Appl Opt. 1999 Jun 20;38(18):3869-75. doi: 10.1364/ao.38.003869.

For many cases modeled and measured UV global irradiances agree to within +/-5% for cloudless conditions, provided that all relevant parameters for describing the atmosphere and the surface are well known. However, for conditions with snow-covered surfaces this agreement...

Scattering functions of tropospheric aerosols: the effects of nonspherical particles.

Applied optics

Koepke P, Hess M.
PMID: 20531773
Appl Opt. 1988 Jun 15;27(12):2422-30. doi: 10.1364/AO.27.002422.

Scattering functions, i.e., the scattered intensity as a function of angle, are modeled for tropospheric aerosol types with respect to the effect of the nonspherical shape of the particles. Scattering functions of nonspherical particles compared with those of equivalent...

Influence of measured reflection properties of vegetated surfaces on atmospheric radiance and its polarization.

Applied optics

Koepke P, Kriebel KT.
PMID: 20174393
Appl Opt. 1978 Jan 15;17(2):260-4. doi: 10.1364/AO.17.000260.

Based on measured values of the spectral bidirectional reflection functions of four vegetated surfaces, the influence of their angular anisotropy on the upward and downward emerging radiance and its polarization is calculated. By means of a realistic model of...

Ultrasensitive label-free DNA analysis using an electronic chip based on carbon nanotube nanoelectrode arrays.

Nanotechnology

Koehne J, Chen H, Li J, Cassell AM, Ye Q, Ng HT, Han J, Meyyappan M.
PMID: 21444977
Nanotechnology. 2003 Dec;14(12):1239-45. doi: 10.1088/0957-4484/14/12/001. Epub 2003 Oct 17.

We report the detection of DNA PCR amplicons using an ultrasensitive label-free electronic technique based on multiwalled carbon nanotube (MWNT) nanoelectrode arrays embedded in an SiO(2) matrix. Specific PCR amplicons are reliably detected using electrochemical (EC) methods through allele-specific...

Showing 1 to 12 of 172 entries