Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Carl J. Kempf"'
Autor:
Carl J. Kempf
Publikováno v:
Adaptive Optics in Biology
Biological imaging at the cellular level, particularly in vivo, is a key enabling tool for understanding biological processes, disease diagnosis and drug development. Unfortunately, specimens under observation often introduce optical aberrations that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a80534acdea8c60a0ff86c64f418f803
https://doi.org/10.1088/978-0-7503-1548-7
https://doi.org/10.1088/978-0-7503-1548-7
Publikováno v:
Adaptive Optics Systems V.
Long-term stability of deformable mirrors (DM) is a critical performance requirement for instruments requiring open-loop corrections. The effects of temperature changes in the DM performance are equally critical for such instruments. This paper inves
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03198491972591e291a5fc145d9da878
https://doi.org/10.1117/12.2233923
https://doi.org/10.1117/12.2233923
Publikováno v:
Conference on Lasers and Electro-Optics.
Recent advancements in MEMS deformable mirrors (DM) make them suitable for use in industrial laser systems. This paper presents results from DMs used to improve beam quality and beam-steering/shaping. It also describes methods to improve power handli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::929ae6a7deee4ef21e3d8a6a228c0d97
https://doi.org/10.1364/cleo_at.2016.ath1k.1
https://doi.org/10.1364/cleo_at.2016.ath1k.1
Autor:
Michael A. Helmbrecht, Renate Kupke, Carl J. Kempf, Donald T. Gavel, Andrew P. Norton, Daren Dillon, Kostas Chloros, Donnie Redel, Elinor L. Gates
Publikováno v:
SPIE Proceedings.
By inserting a MEMS deformable mirror-based adaptive optics system into the beam transfer optics of the Shane 3-meter telescope at Mt. Hamilton, we actively controlled the wavefront of the outgoing sodium laser guidestar beam. It was possible to show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31bad4a3d725d2cc59208ba4d08a0390
https://doi.org/10.1117/12.2055564
https://doi.org/10.1117/12.2055564
Publikováno v:
SPIE Proceedings.
Adaptive optics (AO) technology has enabled dramatic improvement in imaging performance for fields spanning astronomy, defense, microscopy, and retinal imaging. A critical component within the AO systems is the deformable mirror (DM) that implements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbb722b9c61e953124957d49c95d107c
https://doi.org/10.1117/12.2016198
https://doi.org/10.1117/12.2016198
Publikováno v:
SPIE Newsroom.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::958dd3872be5342d7ca9d6c2f4b3dbe6
https://doi.org/10.1117/2.1201205.004202
https://doi.org/10.1117/2.1201205.004202
Publikováno v:
MEMS Adaptive Optics VI.
The areas of biological microscopy, ophthalmic research, and atmospheric turbulence correction require high-order DMs to obtain diffraction-limited images. Iris AO has been developing high-order MEMS DMs to address these requirements. Recent developm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e836aeb8309d2597108d486e2fecba26
https://doi.org/10.1117/12.912547
https://doi.org/10.1117/12.912547
Publikováno v:
SPIE Proceedings.
Iris AO is actively developing piston-tip-tilt (PTT) segmented MEMS deformable mirrors (DM) and adaptive optics (AO) controllers for these DMs. This paper discusses ongoing research at Iris AO that has advanced the state-of-the-art of these devices a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a7766eafe98abc315aa688956454f8b
https://doi.org/10.1117/12.876186
https://doi.org/10.1117/12.876186
Publikováno v:
SPIE Proceedings.
Iris AO has been developing a 489-actuator, 163 piston-tip-tilt segment, deformable mirror system controlled with a personal computer. The system includes the MEMS-based DM, drive electronics, and a precision factory-calibrated position controller. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7bfcd7ff735cb4a25d1ec6521fa358b
https://doi.org/10.1117/12.860891
https://doi.org/10.1117/12.860891
Publikováno v:
SPIE Proceedings.
Compensating for atmospheric turbulence in meter-class telescopes and for free-space communications can require deformable mirrors (DM) with hundreds of actuators. Advances in high-contrast imaging techniques and increased telescope sizes require DMs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2ec79d54ebb4e1e854607b22bff51ea
https://doi.org/10.1117/12.845608
https://doi.org/10.1117/12.845608