Deformable mirrors: design fundamentals for force actuation of continuous facesheets

S.K. Ravensbergen; R.F.M.M. Hamelinck; P.C.J.N. Rosielle; M. Steinbuch

doi:10.1117/12.825832

Deformable mirrors: design fundamentals for force actuation of continuous facesheets

S.K. Ravensbergen, R.F.M.M. Hamelinck, P.C.J.N. Rosielle, M. Steinbuch

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

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Adaptive Optics is an essential technology in today's large telescopes to compensate for atmospheric turbulence. Deformable Mirrors have many actuators(>10k), large stroke(>10mu), small spacing(100Hz).The well known use of piezoelectric ceramics has led to inappropriately stiff displacement actuators. However using force actuation, piezo's are superseded in performance, longevity and cost (factor 10-20 per channel).Regardless of the actuator type used, a model is presented for actuation of continuous facesheet mirrors to study its parameters. The model is validated using finite element simulations and is used to derive design fundamentals for optimization.

Originele taal-2	Engels
Titel	SPIE Optics & Photonics 2009; Advanced Wavefront Control: Methods, Devices, and Applications VII
Plaats van productie	United States, San Diego
Uitgeverij	SPIE
Pagina's	74660G-1/8
DOI's	https://doi.org/10.1117/12.825832
Status	Gepubliceerd - 2009

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10.1117/12.825832

Adaptive Mirror
Rosielle, P. C. J. N. (Manager)
Mechanical Engineering
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title = "Deformable mirrors: design fundamentals for force actuation of continuous facesheets",

abstract = "Adaptive Optics is an essential technology in today's large telescopes to compensate for atmospheric turbulence. Deformable Mirrors have many actuators(>10k), large stroke(>10mu), small spacing(100Hz).The well known use of piezoelectric ceramics has led to inappropriately stiff displacement actuators. However using force actuation, piezo's are superseded in performance, longevity and cost (factor 10-20 per channel).Regardless of the actuator type used, a model is presented for actuation of continuous facesheet mirrors to study its parameters. The model is validated using finite element simulations and is used to derive design fundamentals for optimization.",

author = "S.K. Ravensbergen and R.F.M.M. Hamelinck and P.C.J.N. Rosielle and M. Steinbuch",

year = "2009",

doi = "10.1117/12.825832",

language = "English",

pages = "74660G--1/8",

booktitle = "SPIE Optics & Photonics 2009; Advanced Wavefront Control: Methods, Devices, and Applications VII",

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}

Deformable mirrors: design fundamentals for force actuation of continuous facesheets. / Ravensbergen, S.K.; Hamelinck, R.F.M.M.; Rosielle, P.C.J.N. et al.
SPIE Optics & Photonics 2009; Advanced Wavefront Control: Methods, Devices, and Applications VII. United States, San Diego: SPIE, 2009. blz. 74660G-1/8.

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

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T1 - Deformable mirrors: design fundamentals for force actuation of continuous facesheets

AU - Ravensbergen, S.K.

AU - Hamelinck, R.F.M.M.

AU - Rosielle, P.C.J.N.

AU - Steinbuch, M.

PY - 2009

Y1 - 2009

N2 - Adaptive Optics is an essential technology in today's large telescopes to compensate for atmospheric turbulence. Deformable Mirrors have many actuators(>10k), large stroke(>10mu), small spacing(100Hz).The well known use of piezoelectric ceramics has led to inappropriately stiff displacement actuators. However using force actuation, piezo's are superseded in performance, longevity and cost (factor 10-20 per channel).Regardless of the actuator type used, a model is presented for actuation of continuous facesheet mirrors to study its parameters. The model is validated using finite element simulations and is used to derive design fundamentals for optimization.

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U2 - 10.1117/12.825832

DO - 10.1117/12.825832

M3 - Conference contribution

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BT - SPIE Optics & Photonics 2009; Advanced Wavefront Control: Methods, Devices, and Applications VII

PB - SPIE

CY - United States, San Diego

ER -

Deformable mirrors: design fundamentals for force actuation of continuous facesheets

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