hiciao high contrast instrument for the subaru next generation adaptive optics

HiCIAOHigh Contrast Instrument for

the Subaru Next Generation Adaptive Optics

M. Tamura1, R. Suzuki2, K. Hodapp2, L. Abe1, H. Takami3, O. Guyon3, H. Suto1, S. Jacobson2, R.

Kandori1, J. Morino1, N. Murakami1, V. Stahlberger2 , A.

Tavrov1, H. Yamada2, J. Nishikawa1, N. Ukita1, J. Hashimoto1,

H. Izumiura4, M. Hayashi3, T. Nishimura3 1) NAOJ

2) UH Hilo, 3) Subaru Telescope, 4) Okayama

TPF Coronagraph WS 2006.9.28 　 20:15-20:25 （ 6 min + 4 min)

Diversity of proto-Planetary disks

Compact disk aroundmassive YSOs (BN)

Current Subaru AO Coronagraph Cs 36-act. AO + CIAO

First "dedicated" IR coronagraph on 8-m telescopes

Disk Morphology: spiral, banana-split Companion searches High-resolution Polarimetry: BN, bPic

Young very low-mass Companion

Bipolar structure only seen in Pol.Spiral disk around AB Aur Young BD around DH Tau

Nasmyth platformNasmyth platform

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AO

AO

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WarmWarm CoColdld

CoronagraphCoronagraphFocal masksFocal masksPupil stopsPupil stops

Differential Differential opticsoptics(Wollaston prisms)(Wollaston prisms)

HH AWAII AWAII 2-RG2-RG22k k 22kk HgCdTe arrayHgCdTe arrayASICS ControllerASICS Controller

FiltersFiltersCommon+DifferentialCommon+Differential

Pupil ViewerPupil ViewerIn/out positionIn/out position

188 actuators188 actuatorsAOAOFutureFuture::ComplementaryComplementaryMEM DM (32MEM DM (3232)32)

HiCIAO ConceptMerits

Modular styleFlexible coronagraphDifferential ImagingHigh performance array & ASIC controller

Observation Modes

DI Mode

PDI Mode SDI Mode

Spectral Differential Imaging Mode　 FOV ： 5"×5"　 Filter ： CH4 set, [FeII] set　 Double Wollaston Prism　 Coronagraph available　 Contrast: 104 @0.1", 106 　 @1"

Direct Imaging Mode　 FOV ： 20"×20"　 Pixel scale ： 0.010"/pix　 Wavelengths ： 0.85 ～ 2.5μm　 Filters ： J, H, Ks, [FeII], Bgγ, H2, etc.　 Strehl Ratio ： 0.6(J) 、 0.7(H) 、 0.8(Ks) 　　 Coronagraph available

Polarimetric Differential Imaging Mode　 FOV ： 10"×20"　 Filter ： J, H, Ks, [FeII], Bgγ, H2, etc.　 Polarimetry with Wollaston Prism and Waveplate　 Coronagraph available

Optics pictures from OFR (if available)

Optics ProgressLens manufacturing (Optics For Research)

Wollaston Prism manufacturing (Bernhard Halle)

Occulting Mask & Lyot Stop (Applied Image Group) Lenses

Various lensesWollaston prism YLF crystal

Filters (Barr Associate)

Mechanics Progress

Stages and controller（ Newport ）

Fore Optics

Local PC control

Stages and controller

Fore Optics

Mechanics Progress

Camera Optics

Optical bentch

Dewar

Schedule2006 Oct Cryo-test

Optics finish

Nov 　 Alignment

Dec 　 Final assembling

Mar 　 to the summit

Optical alignment

First light

2007

Lab test