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Journals

A Passive Heterodyne HEB Imager Operating at 850 GHz

Author(s)
Eyal Gerecht, Dazhen Gu, Lixing You, Sigfrid Yngvessen
We report the development and characterization of a passive heterodyne hot electron bolometer (HEB) imager operating at 850 GHz. HEB detectors provide

How the User can Improve Fingerprint Image Quality

Author(s)
Mary F. Theofanos, Ross J. Micheals, Shahram Orandi, Brian C. Stanton, Nien F. Zhang
Traditionally the biometric field has viewed the user as a passive source of the biometric sample rather than an interactive component of the biometric system

Directional Routing Protocols for Ad Hoc Networks

Author(s)
Hamid Gharavi, Bin Hu
This paper presents a directional routing approach for multihop ad-hoc networks, which has been applied to two on-demand routing protocols: namely Dynamic

Frequency evaluation of the doubly forbidden 1S0–3P0 transition in bosonic 174Yb

Author(s)
Nicola Poli, Zeb Barber, Nathan D. Lemke, Christopher W. Oates, Tara Fortier, Scott Diddams, Leo W. Hollberg, James C. Bergquist, Anders Brusch, Steven R. Jefferts, Thomas P. Heavner, Tom Parker
We report an uncertainty evaluation of an optical lattice clock based on the 1S 0 – 3P 0 transition in the bosonic isotope 174Yb using magnetically induced

Glass-Blown Spherical Microcells for Chip-Scale Atomic Devices

Author(s)
E. J. Eklund, A Shkel, Svenja A. Knappe, Elizabeth Donley, John Kitching
This paper presents an application of micro glass blowing, in which multiple glass spheres are simultaneously shaped on top of a silicon wafer and subsequently

Optical fiber metrology

Author(s)
Gordon W. Day, Douglas L. Franzen, Kent B. Rochford
The development of metrology to support the optical fiber communications industry is an excellent case study of how stakeholders ? fiber manufacturers, their

On the Development and Characterization of a Firebrand Generator

Author(s)
Samuel L. Manzello, John R. Shields, Thomas G. Cleary, Alexander Maranghides, William E. Mell, Jiann C. Yang, Yoshihiko Hayashi, Daisaku Nii, Tsuyoshi Kurita
A unique experimental apparatus has been constructed in order to generate a controlled and repeatable size and mass distribution of glowing firebrands. The

Firefighting Technology Research at NIST

Author(s)
Daniel M. Madrzykowski, Stephen Kerber
During the past year, the National Institute of Standards and Technology (NIST) has continued work on many projects and started a few new efforts to improve

On the Development and Characterization of a Firebrand Generator

Author(s)
Samuel L. Manzello, John R. Shields, Thomas G. Cleary, Alexander Maranghides, William E. Mell, Yoshihiko Hayashi, Daisaku Nii, Tsuyoshi Kurita
An experimental apparatus has been constructed in order to generate a controlled and repeatable size and mass distribution of glowing firebrands. The present