The following technologies are adopted in SEIMEI telescope.

  1. Manufacturing the first meter-size, aspheric, and off axis mirror in Japan
  2. Manufacturing a thin and convex aspheric mirror 1m in diameter
  3. Manufacturing a meter size flat mirror
  4. Manufacturing a meter size flat mirror
  5. Control system for 18 segmented mirror
  6. Telescope structure of lightweight and realizing homologous deformation
  7. Telescope optics for satellite
  8. Optics for exo-planet research
  9. Tandem bi-conic surfaces on single block for near infrared multi object spectrometer
  10. Meter size telescope optics (Cassegrain system)
  11. Large lens optics for prime focus corrector of large telescope

Technology

  1. Surface accuracy of 1um on an aspheric surface by ultra precision large grinder
  2. Large time saving by high speed and high accurate grinding process
  3. Stress free supporting structure for a thin mirror under grinding process
  4. High precision grinding for a thin mirror with prediction of deformation by grinding pressure
  5. Process for off axis aspheric surface (concave surface) by CGH interferometer
  6. High efficiency and safe polishing process with on machine measurement
  7. Polishing process without edge effect
  8. Corrective polish realizing efficient feed back system of the figure error map
  9. Mechanical measurement technique applicable to a free-form optics
  10. High accuracy measurement and extension of measurement range by original data stitching algorithm
  11. Effective and safe robot-arm integrated of polishing and measurement
  12. Support structure without deformation on thin mirror
  13. Flexure mechanics for positioning of large optics
  14. Optimization of telescope structure by genetic algorithm