Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Dean R. Brown"'
Publikováno v:
Journal of Microelectromechanical Systems. 21:1303-1310
A resonant piezoelectric scanner is developed for high-resolution laser-scanning displays. A novel actuation scheme combines the principle of mechanical amplification with lead zirconate titanate (PZT) thin-film actuation. Sinusoidal actuation with 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::860ad82b4888f715850d3e7b894d2749
https://doi.org/10.1109/jmems.2012.2209405
https://doi.org/10.1109/jmems.2012.2209405
Autor:
Aslihan Arslan, Wyatt O. Davis, Dean R. Brown, Hakan Urey, Sven Holmstrom, Sertan Kutal Gokce
Publikováno v:
Journal of Microelectromechanical Systems. 19:936-943
A comb-actuated torsional microscanner is developed for high-resolution laser-scanning display systems. Typical torsional comb-drive scanners have fingers placed around the perimeter of the scanning mirror. In contrast, the structure in this paper us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16f24ed02ada9e5d30fc70abb0c6a5bb
https://doi.org/10.1109/jmems.2010.2048095
https://doi.org/10.1109/jmems.2010.2048095
Publikováno v:
Journal of Microelectromechanical Systems. 15:786-794
A novel microelectromechanical systems (MEMS) actuation technique is developed for retinal scanning display and imaging applications allowing effective drive of a two-axes scanning mirror to wide angles at high frequency. Modeling of the device in me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c632579421624c2bffffb5def06c2e10
https://doi.org/10.1109/jmems.2006.879380
https://doi.org/10.1109/jmems.2006.879380
Autor:
Jaibir Sharma, Sven Holmstrom, Sertan Kutal Gokce, Wyatt O. Davis, Dean R. Brown, Utku Baran, Hakan Urey
Publikováno v:
Journal of Microelectromechanical Systems. 21:514-516
A novel bending flexure spring design is presented, providing linear stiffness for large rotations of a suspended body. Over 98% linear motion for up to ±7° mechanical scan angle is achievable with the new suspension design.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ee25d723db4e1b3d661420ac3e8e5f0
https://doi.org/10.1109/jmems.2011.2182504
https://doi.org/10.1109/jmems.2011.2182504
Publikováno v:
2014 International Conference on Optical MEMS and Nanophotonics.
Several high performing PZT-actuated MEMS laser scanners utilizing mechanical coupling are designed, fabricated, and characterized. Optical angles up to 59.3 deg. and θ opt D·fn-products up to 3052 deg.·mm·Hz are demonstrated. These are the highe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ddeaf7f3b8fc3faa0050a89ba5f0bb0b
https://doi.org/10.1109/omn.2014.6924612
https://doi.org/10.1109/omn.2014.6924612
Autor:
Dean R. Brown, Robert G. Denning
Publikováno v:
Inorganic Chemistry. 35:6158-6163
A series of compounds containing the −NUN− group has been prepared. Their physical and chemical properties are reported. They adopt a trans configuration, and are thermally robust. The chemistry of some recently-prepared OUN− compounds is also
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::241b01d7e239097cbdf405fbd1d101ec
https://doi.org/10.1021/ic951386v
https://doi.org/10.1021/ic951386v
Autor:
Sven Holmstrom, Andrea Mazzalai, Paul Muralt, Dean R. Brown, Hakan Urey, Wyatt O. Davis, D. Balma, Utku Baran
Publikováno v:
2012 IEEE 25th International Conference on Micro Electro Mechanical Systems (MEMS).
A high frequency resonant torsional microscanner actuated with thin film PZT is modeled, fabricated, and characterized. Sinusoidal actuation with 24 V at a mechanical resonance frequency of 39870 Hz provides a total optical scan angle of 38.5 deg. fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0171deb3699e8c1a28700e550c2277d
https://doi.org/10.1109/memsys.2012.6170191
https://doi.org/10.1109/memsys.2012.6170191
Autor:
Sertan Kutal Gokce, Hakan Urey, Dean R. Brown, Sven Holmstrom, Jaibir Sharma, Wyatt O. Davis, Utku Baran
Publikováno v:
16th International Conference on Optical MEMS and Nanophotonics.
A comb-actuated rotary MEMS stage with a novel spring structure to achieve linear spring stiffness is presented. The present stages can at resonance rotate ±7deg. and ±4.5deg at vacuum and ambient pressure, respectively.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edce060dbf9ed2d5d2090fd4c84c15a0
https://doi.org/10.1109/omems.2011.6031053
https://doi.org/10.1109/omems.2011.6031053
Publikováno v:
16th International Conference on Optical MEMS and Nanophotonics.
A high-frequency novel torsional MEMS scanner is developed for high resolution microdisplays employing a multi-frame geometry. For the torsional mirror, 26.7° and 36.1° total-optical-scan-angle are achieved at resonance, at atmospheric pressure and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98706c8aba516e14caaf581a92ab66a4
https://doi.org/10.1109/omems.2011.6031064
https://doi.org/10.1109/omems.2011.6031064
Publikováno v:
SPIE Proceedings.
In this paper, a nonlinear mathematic model for Microvision's MOEMS scanning mirror is presented. The pixel placement accuracy requirement for scanned laser spot displays translates into a roughly 80dB signal to noise ratio, noise being a departure f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4e0695b9157df61ae6967b758b21cd3
https://doi.org/10.1117/12.843084
https://doi.org/10.1117/12.843084