Wang, Lianqi and Schöck, Matthias and Chanan, Gary and Skidmore, Warren and Blum, Robert and Bustos, Edison and Els, Sebastian and Riddle, Reed L. and Seguel, Juan and Travouillon, Tony and Vasquez, Joselino and Walker, David and Gillett, Paul (2007) High-accuracy differential image motion monitor measurements for the Thirty Meter Telescope site testing program. Applied Optics, 46 (25). pp. 6460-6468. ISSN 0003-6935. doi:10.1364/AO.46.006460. https://resolver.caltech.edu/CaltechAUTHORS:20101216-110756477
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Abstract
Differential image motion monitors (DIMMs) have become the industry standard for astronomical site characterization. The calibration of DIMMs is generally considered to be routine, but we show that particular care must be paid to this issue if high-accuracy measurements are to be achieved. In a side by side comparison of several DIMMs, we demonstrate that with proper care we can achieve an agreement between the seeing measurements of two DIMMS operating under the same conditions to better than ±0.02 arc sec.
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| Additional Information: | © 2007 Optical Society of America. Received 8 March 2007; revised 27 June 2007; accepted 5 July 2007; posted 17 July 2007 (Doc. ID 80819); published 31 August 2007. The authors thank the staff of the Cerro Tololo Inter-American Observatory for their support and hospitality during our work at CTIO. Special thanks are due to Gale Brehmer and Oscar Saa for their excellent help. We thank Andrei Tokovinin from CTIO for providing his simulation code. The authors gratefully acknowledge the support of theTMTpartner institutions. They are the Association of Canadian Universities for Research in Astronomy (ACURA), the California Institute of Technology, and the University of California. This work was supported as well by the Gordon and Betty Moore Foundation, the Canada Foundation for Innovation, the Ontario Ministry of Research and Innovation, the National Research Council of Canada, and the U.S. National Science Foundation. | ||||||||||||
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| Subject Keywords: | Atmospheric and Oceanic Optics | ||||||||||||
| Issue or Number: | 25 | ||||||||||||
| Classification Code: | OCIS codes: 010.7350, 010.1330, 010.1080. | ||||||||||||
| DOI: | 10.1364/AO.46.006460 | ||||||||||||
| Record Number: | CaltechAUTHORS:20101216-110756477 | ||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20101216-110756477 | ||||||||||||
| Official Citation: | Lianqi Wang, Matthias Schöck, Gary Chanan, Warren Skidmore, Robert Blum, Edison Bustos, Sebastian Els, Reed Riddle, Juan Seguel, Tony Travouillon, Joselino Vasquez, David Walker, and Paul Gillett, "High-accuracy differential image motion monitor measurements for the Thirty Meter Telescope site testing program," Appl. Opt. 46, 6460-6468 (2007) http://www.opticsinfobase.org/abstract.cfm?URI=ao-46-25-6460. | ||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
| ID Code: | 21397 | ||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||
| Deposited On: | 17 Dec 2010 18:25 | ||||||||||||
| Last Modified: | 09 Nov 2021 15:56 |
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