Status of Subaru laser guide star AO system

Hideki Takami, Stephen Colley, Matt Dinkins, Michael Eldred, Olivier Guyon, Taras Golota, Masayuki Hattori, Yutaka Hayano, Meguru Ito, Masanori Iye, Shin Oya, Yoshihiko Saito, Makoto Watanabe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

24 Citations (Scopus)

Abstract

The laser guide star adaptive optics (AO188) system for Subaru Telescope is presented. The system will be installed at the IR Nasmyth platform of Subaru 8 m telescope, whereas the current AO system with 36 elements is operating at the Cassegrain focus. The new AO system has a 188 element wavefront curvature sensor with photon counting APD modules and 188 element bimorph mirror. The laser guide star system has a 4.5 W solid state sum-frequency laser on the Nasmyth platform. The laser launching telescope with 50 cm aperture will be installed at behind the secondary mirror. The laser beam will be transferred to the laser launching telescope using photonic crystal single mode fiber cable. The instrument with the AO system is IRCS, infrared camera and spectrograph which has been used for Cassegrain AO system and new instrument, HiCIAO, high dynamic range infrared camera for exsolar planet detection. The first light of the AO system is planned in 2006.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume6272 I
DOIs
StatePublished - 2006
Externally publishedYes
EventAdvances in Adaptive Optics II - Orlando, FL, United States
Duration: May 24 2006May 31 2006

Other

OtherAdvances in Adaptive Optics II
CountryUnited States
CityOrlando, FL
Period5/24/065/31/06

Fingerprint

laser guide stars
Stars
Telescopes
telescopes
Lasers
launching
Launching
platforms
cameras
planet detection
mirrors
lasers
Mirrors
Cameras
Infrared radiation
adaptive optics
Spectrographs
Photonic crystal fibers
Adaptive optics
cables

Keywords

  • Bimorph mirror
  • Curvature sensor
  • Laser guide star
  • Nasmyth focus

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Takami, H., Colley, S., Dinkins, M., Eldred, M., Guyon, O., Golota, T., ... Watanabe, M. (2006). Status of Subaru laser guide star AO system. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 6272 I). [62720C] https://doi.org/10.1117/12.670568

Status of Subaru laser guide star AO system. / Takami, Hideki; Colley, Stephen; Dinkins, Matt; Eldred, Michael; Guyon, Olivier; Golota, Taras; Hattori, Masayuki; Hayano, Yutaka; Ito, Meguru; Iye, Masanori; Oya, Shin; Saito, Yoshihiko; Watanabe, Makoto.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6272 I 2006. 62720C.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Takami, H, Colley, S, Dinkins, M, Eldred, M, Guyon, O, Golota, T, Hattori, M, Hayano, Y, Ito, M, Iye, M, Oya, S, Saito, Y & Watanabe, M 2006, Status of Subaru laser guide star AO system. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 6272 I, 62720C, Advances in Adaptive Optics II, Orlando, FL, United States, 5/24/06. https://doi.org/10.1117/12.670568
Takami H, Colley S, Dinkins M, Eldred M, Guyon O, Golota T et al. Status of Subaru laser guide star AO system. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6272 I. 2006. 62720C https://doi.org/10.1117/12.670568
Takami, Hideki ; Colley, Stephen ; Dinkins, Matt ; Eldred, Michael ; Guyon, Olivier ; Golota, Taras ; Hattori, Masayuki ; Hayano, Yutaka ; Ito, Meguru ; Iye, Masanori ; Oya, Shin ; Saito, Yoshihiko ; Watanabe, Makoto. / Status of Subaru laser guide star AO system. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6272 I 2006.
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AB - The laser guide star adaptive optics (AO188) system for Subaru Telescope is presented. The system will be installed at the IR Nasmyth platform of Subaru 8 m telescope, whereas the current AO system with 36 elements is operating at the Cassegrain focus. The new AO system has a 188 element wavefront curvature sensor with photon counting APD modules and 188 element bimorph mirror. The laser guide star system has a 4.5 W solid state sum-frequency laser on the Nasmyth platform. The laser launching telescope with 50 cm aperture will be installed at behind the secondary mirror. The laser beam will be transferred to the laser launching telescope using photonic crystal single mode fiber cable. The instrument with the AO system is IRCS, infrared camera and spectrograph which has been used for Cassegrain AO system and new instrument, HiCIAO, high dynamic range infrared camera for exsolar planet detection. The first light of the AO system is planned in 2006.

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