Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Michael D. Oliker"'
Quantum Communication over Atmospheric Channels: A Framework for Optimizing Wavelength and Filtering
Publikováno v:
Physical Review Applied. 16
Despite quantum networking concepts, designs, and hardware becoming increasingly mature, there is no consensus on the optimal wavelength for free-space systems. We present an in-depth analysis of a daytime free-space quantum channel as a function of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a28610a03e86c52f131d7109960e1bdf
https://doi.org/10.1103/physrevapplied.16.044027
https://doi.org/10.1103/physrevapplied.16.044027
Autor:
R. Nicholas Lanning, Mark A. Harris, Scott C. Newey, Johnathan D. Schiller, Jeffery F. Morris, Mark L. Eickhoff, Michael B. Flanagan, Michael Bareian, Kurt E. Stoltenberg, Brian T. Kay, Michael D. Oliker, Denis W. Oesch, Mark T. Gruneisen
Publikováno v:
Physical Review Applied. 16
Previous demonstrations of free-space quantum communication in daylight have been touted as significant for the development of global-scale quantum networks. Until now, no one has carefully tuned their atmospheric channel to reproduce the daytime sky
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1311283df4e72893ea92329e274727d9
https://doi.org/10.1103/physrevapplied.16.014067
https://doi.org/10.1103/physrevapplied.16.014067
Autor:
Michael D. Oliker, Mark T. Gruneisen
Publikováno v:
Quantum Technologies and Quantum Information Science V.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bff21666fa53eb476fe1565ac3b62ff
https://doi.org/10.1117/12.2537962
https://doi.org/10.1117/12.2537962
Autor:
Mala Mateen, Michael D. Oliker
Publikováno v:
Adaptive Optics Systems VI.
A new technique for phase retrieval in non-linear Curvature Wavefront Sensors is presented. Unlike the iterative Gerchberg-Saxton technique, this technique retrieves pupil phase in a single step. It starts by calculating the optical transfer function
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc416c12c2ac226b39e13fb5d15045fe
https://doi.org/10.1117/12.2314286
https://doi.org/10.1117/12.2314286
Publikováno v:
Proceedings of the Adaptive Optics for Extremely Large Telescopes 5.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::239263ab5396c0114ab5718bafc829bf
https://doi.org/10.26698/ao4elt5.0174
https://doi.org/10.26698/ao4elt5.0174
Publikováno v:
Optical Engineering. 57:1
Past research in adaptive optics (AO) has demonstrated the link between apparent beacon extent and wavefront gradient estimation sensitivity, or optical gain, of a classical Shack-Hartmann (SH) subaperture when using quad-cell detector regions. Pixel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5c9131beb689261e1fb2e4d85d48ada
https://doi.org/10.1117/1.oe.57.12.123103
https://doi.org/10.1117/1.oe.57.12.123103
Autor:
Daniel Roskey, Michael D. Oliker
Publikováno v:
SPIE Proceedings.
The gain in Hartmann sensors varies if the shape of the guide star varies. For Natural Guide Star (NGS) operation, this can be an extended object which changes, e.g. a Comet. For a Sodium Laser Guide Star (LGS) system the spots change if the Sodium L
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::487ec42ff2e585f9c5ac15dddf680032
https://doi.org/10.1117/12.862924
https://doi.org/10.1117/12.862924
Autor:
Denis W. Oesch, Darryl J. Sanchez, Patrick R. Kelly, Michael D. Oliker, Kevin P. Vitayaudom, Carolyn M. Tewksbury-Christle, Katia Shtyrkova, Julie C. Smith
One of the problems associated with the use of the sodium laser guide star as a beacon for an adaptive optics system is the changes in the sensitivity of the wavefront sensor caused by the extended nature of the sodium layer. Shack-Hartmann wavefront
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76b41817fc5a0f65fc099f03eab7d14e
https://doi.org/10.21236/ada531341
https://doi.org/10.21236/ada531341
Autor:
Michael D. Oliker
Publikováno v:
SPIE Proceedings.
A new wavefront sensors design is presented which allows reconstruction of phase without the insensitivity to waffle mode which has previously plagued the Fried Geometry. This new system senses and reconstructs waffle, with less total computational b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::343829bd94dff5686d1a633b9e4335fc
https://doi.org/10.1117/12.321704
https://doi.org/10.1117/12.321704
Autor:
Keith B. Wilson, Michael D. Oliker
Publikováno v:
SPIE Proceedings.
At the Starfire Optical Range many different Adaptive Optics systems are configured and tried out, with many pieces of equipment supplied, programmed and supported by different people. To accommodate this dispersion of responsibility, while allowing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b25516cbfab8a86811cedf17ed71453
https://doi.org/10.1117/12.321636
https://doi.org/10.1117/12.321636