title: Performance of the Gemini Planet Imager's adaptive optics system.
abstract: The Gemini Planet Imager's adaptive optics (AO) subsystem was designed specifically to facilitate high-contrast imaging. A definitive description of the system's algorithms and technologies as built is given. 564 AO telemetry measurements from the Gemini Planet Imager Exoplanet Survey campaign are analyzed. The modal gain optimizer tracks changes in atmospheric conditions. Science observations show that image quality can be improved with the use of both the spatially filtered wavefront sensor and linear-quadratic-Gaussian control of vibration. The error budget indicates that for all targets and atmospheric conditions AO bandwidth error is the largest term.
authors.forename: Lisa A
authors.initials: LA
authors.lastname: Poyneer
authors.forename: David W
authors.initials: DW
authors.lastname: Palmer
authors.forename: Bruce
authors.initials: B
authors.lastname: Macintosh
authors.forename: Dmitry
authors.initials: D
authors.lastname: Savransky
authors.forename: Naru
authors.initials: N
authors.lastname: Sadakuni
authors.forename: Sandrine
authors.initials: S
authors.lastname: Thomas
authors.forename: Jean-Pierre
authors.initials: JP
authors.lastname: Véran
authors.forename: Katherine B
authors.initials: KB
authors.lastname: Follette
authors.forename: Alexandra Z
authors.initials: AZ
authors.lastname: Greenbaum
authors.forename: S Mark
authors.initials: SM
authors.lastname: Ammons
authors.forename: Vanessa P
authors.initials: VP
authors.lastname: Bailey
authors.forename: Brian
authors.initials: B
authors.lastname: Bauman
authors.forename: Andrew
authors.initials: A
authors.lastname: Cardwell
authors.forename: Daren
authors.initials: D
authors.lastname: Dillon
authors.forename: Donald
authors.initials: D
authors.lastname: Gavel
authors.forename: Markus
authors.initials: M
authors.lastname: Hartung
authors.forename: Pascale
authors.initials: P
authors.lastname: Hibon
authors.forename: Marshall D
authors.initials: MD
authors.lastname: Perrin
authors.forename: Fredrik T
authors.initials: FT
authors.lastname: Rantakyrö
authors.forename: Anand
authors.initials: A
authors.lastname: Sivaramakrishnan
authors.forename: Jason J
authors.initials: JJ
authors.lastname: Wang