1600 actuator tweeter mirror upgrade for the Palomar Adaptive Optics System (PALAO)

被引：6

作者：

Dekany, R ^{[1
]}

Troy, M ^{[1
]}

Brack, G ^{[1
]}

Bleau, C ^{[1
]}

DuVarney, R ^{[1
]}

Ealey, M ^{[1
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

ADAPTIVE OPTICAL SYSTEMS TECHNOLOGY, PTS 1 AND 2 | 2000年 / 4007卷

关键词：

deformable mirror; multiconjugate adaptive optics; wavefront sensing;

D O I：

10.1117/12.390293

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss conceptual design issues for a 1600 actuator tweeter mirror/multiconjugate AO upgrade to the 349 actuator Palomar Adaptive Optics System (PALAO). Based upon a 42 x 42 actuator Photonex deformable mirror technology, developed by Xinetics, Inc., this upgrade would enable unique science at visible wavelengths and deliver unprecedented near-infrared Strehl ratios for modestly bright (mV = 9) guide stars. When used in conjunction with the existing 349 actuator Xinetics, Inc. deformable mirror, a series of pressing issues regarding the practical utility of multiconjugate adaptive correction for extremely large telescopes could be addressed. By utilizing a low noise (EEV39) wavefront sensor camera developed by SciMeasure Analytical Systems, Inc., this system would provide on-axis K-band Strehl ratio of >95%, improving scientific throughput and enabling the detection and spectroscopy of unresolved companions in an unprecedented contrast space around nearby stars.

引用

页码：175 / 179

页数：5

共 9 条

[1] DEKANY R, 1999, IN PRESS P ESO C AST
[2] DEKANY R, 2000, P SPIE, V4003
[3] DEKANY R, 2000, P SPIE, V4007
[4] Dekany R. G., 2000, P SPIE, V4007
[5] ELLERBROEK B, 1999, COMMUNICATION DEC
[6] The spectrum of the brown dwarf Gliese 229B
Oppenheimer, BR
Kulkarni, SR
Matthews, K
van Kerkwijk, MH
[J]. ASTROPHYSICAL JOURNAL, 1998, 502 (02) : 932 - 943
[7] Speckle noise and the detection of faint companions
Racine, R
Walker, GAH
Nadeau, D
Doyon, R
Marois, C
[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1999, 111 (759) : 587 - 594
[8] Adaptive-optics corrections available for the whole sky
Ragazzoni, R
Marchetti, E
Valente, G
[J]. NATURE, 2000, 403 (6765) : 54 - 56
[9] VURAL K, 2000, COMMUNICATION MAR

← 1 →