ALBERT — All Library Books, journals and Electronic Records Telegrafenberg

1

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Extraterrestrial accretion and glacial cycles (1994)

Muller, R. A.

In: CASI

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Publikationsdatum: 2013-08-31

Beschreibung: We propose that the approx. 100-k.y. cycle seen in terrestrial glaciation is due to changes in meteor flux that come from changes in the Earth's orbit. This model can explain a 70-k.y. 'anomalous' period in climate data and the apparent discrepancy between present extraterrestrial fluxes and those in oceanic sediments. It can be tested by measuring Ir densities in sediments and ice during glacials and interglacials.

Schlagwort(e): ASTROPHYSICS

Materialart: Houston Univ., New Developments Regarding the KT Event and Other Catastrophes in Earth History; p 85-86

Format: application/pdf

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Überblick

2

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Submillisecond optical pulsar in supernova 1987A (1989)

Middleditch, J. ; Kristian, J. ; Morris, D. E. ; [weitere]

In: Other Sources

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Publikationsdatum: 2011-08-19

Beschreibung: An optical pulsar with frequency f = 1,968,629 Hz has been detected at the location of supernova 1987A in the LMC. The brightness of the pulsed light increased from magnitude 19 to 18 during a 7-hr observation period starting on 18.1 January 1987 UT. The frequency of the pulsar during this same period varied in a nearly sinusoidal manner, with an amplitude of 1.5 x 10 to the -3rd Hz and a period of 8 hr. If this is interpreted as the result of a binary orbit, it suggests that there may be a Jupiter-size object orbiting the pulsar at a distance of 10 to the 6th km.

Schlagwort(e): ASTROPHYSICS

Materialart: Nature (ISSN 0028-0836); 338; 234-236

Format: text

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3

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Demonstration of First 9 Micron cutoff 640 x 486 GaAs Based Quantum Well Infrared PhotoDetector (QWIP) Snap-Shot Camera (1997)

Liu, J. K. ; Maker, P. D. ; Muller, R. E. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Beschreibung: In this paper, we discuss the development of this very sensitive long waelength infrared (LWIR) camera based on a GaAs/AlGaAs QWIP focal plane array (FPA) and its performance in quantum efficiency, NEAT, uniformity, and operability.

Schlagwort(e): Earth Resources and Remote Sensing

Materialart: 1st JPL Workshop on Remote Sensing of Land Surface Emissivity; Pasadena, CA; United States

Format: text

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4

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Multi-Wavelength Mode-Locked Laser Arrays for WDM Applications (1998)

Davis, L. ; Muller, R. ; Dougherty, D. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Beschreibung: Multi-wavelength arrays of colliding pulse mode-locked (CPM) lasers have been demonstrated for wavelength division multiplexing (WDM) applications. The need for increased bandwidth is driving the development of both increased speed in time division multiplexing (TDM) and more channels in WDM for fiber optic communication systems.

Schlagwort(e): Lasers and Masers

Materialart: Electronics Letters

Format: text

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5

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Stitching Error Reduction in Electron Beam Written Gratings (2000)

Maker, P. ; Young, M. ; Mansour, K. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Beschreibung: A multiple-write electron beam lithography techniques is described as linear filter on the grating spatial frequency spectrum.

Schlagwort(e): Lasers and Masers

Materialart: Conference on Lasers and Electro-Optics (CLEO); United States

Format: text

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6

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1310 nm quantum dot DFB lasers with high dot density and ultra-low linewidth-power product (2002)

Lester, L. F. ; Qiu, Y. ; Gogna, P. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Beschreibung: Laterally coupled distributed feedback lasers using high-density InAs quantum dots-in-a-well (DWELL) active region demonstrate a nominal wavelength of 1310 nm, a linewidth as small as 68 kHz, and a linewidth-power product of 100 kHz-mW.

Schlagwort(e): Lasers and Masers

Materialart: Conference on Laser and Electro-Optics 2002; Long Beach, CA; United States

Format: text

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7

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Fabrication of Laterally Coupled Distributed Feedback Laser Structures by Two Step RIE in InGaAsSb-AlGaAsSb Material System Grown by MBE (2000)

Sin, Y. ; Muller, R. ; Bicknell-Tassius, R. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Beschreibung: Data is presented on the fabrication of first order gratings in GaSb and AlGaAsSc layers by chlorine-based reactive ion etching (RIE).

Schlagwort(e): Lasers and Masers

Materialart: Journal of Electronic Materials

Format: text

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8

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Stitching-error reduction in gratings by shot-shifted electron-beam lithography (2001)

Forouhar, S. ; Maker, P. D. ; Muller, R. E. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Beschreibung: Calculations of the grating spatial-frequency spectrum and the filtering properties of multiple-pass electron-beam writing demonstrate a tradeoff between stitching-error suppression and minimum pitch separation. High-resolution measurements of optical-diffraction patterns show a 25-dB reduction in stitching-error side modes.

Schlagwort(e): Lasers and Masers

Materialart: Journal of lightwave technology; Volume 19; no. 10; 1527-1531

Format: text

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9

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Progress in semiconductor reference oscillator development for coherent detection optical remote sensing (2002)

Menzies, R. T. ; Muller, R. E. ; Manfra, M. J. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Beschreibung: High power 2.05-mu m Fabry-Perot and distributed feedback (DFB) ridge waveguide lasers fabricated from epitaxially grown InGaAsSb/AlGaAsSb/GaSb and InGaAs/InP hetero-structures are reported.

Schlagwort(e): Earth Resources and Remote Sensing

Materialart: Second Earth Science Technology Conference; Pasadena, CA; United States

Format: text

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10

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Progress in semiconductor reference oscillator development for coherent detection optical remote sensing (2002)

Manfra, M. J. ; Maker, P. D. ; Menzies, R. T. ; [weitere]

In: Other Sources

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Publikationsdatum: 2018-06-08

Schlagwort(e): Earth Resources and Remote Sensing

Materialart: Second Earth Science Technology Conference; Pasadena, CA; United States

Format: text

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