Space optics

ATC has been developing instruments for various space missions (spacecraft and sub-orbital missions) in collaboration with the project offices inside NAOJ and ISAS/JAXA. Our uniqueness is the synergic approach from ground-based instrumentation to space instrumentation. We would like to employ state-of-theart technologies developed for the ground-based astronomy in space. Only when the technology matures in the ground-based applications, it will be ready for space by combining it with the existing space technology. Our past missions include the optical telescope assembly of the solar optical telescope aboard Hinode (SOLAR-B) in collaboration with Mitsubishi Electric Corporation, X-ray CCD camera of the X-ray telescope aboard Hinode, and one sounding rocket and two balloon-borne instruments. Currently, a sounding rocket mission to detect chromospheric magnetic fields of the Sun (CLASP) is being developed in collaboration with NASA and other organizations. Other missions such as LiteBIRD, SOLAR-C, and WISH are on the horizon.

  1. CLASP : Chromospheric Lyman-Alpha Spectro-Polarimeter for observing the magnetic field in the solar chromosphere
  2. LiteBIRD : Lite (light) satellite for the studies of B-mode polarization and inflation from cosmic background Radiation Detection led by KEK (high energy accelerator research organization)
  3. SOLAR-C : Space high-resolution solar observatory
  4. WISH : Wide-field Imaging Surveyor for High-Redshift

Component test and calibration

Engineering-model and flight-model components are assembled here and are tested and calibrated under on-orbit conditions in ATC facilities.

CLASP
Development of *VUV polarizer and VUV half wave plate
Development of VUV grating
*VUV: Vacuum Ultra-Violet
protomodel 30cm dia. VUV primary mirror with its kinematic mounting
for the CLASP sounding rocket mission

WISH : Wide-field Imaging Surveyor for High-Redshift

Mechanical endurance test for WISH filter exchanger at 100K in vacuum conditions WISH filter exchanger
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