Development of a prototype off-axis secondary mirror for GMT

Young Soo Kim, Ju Heon Koh, Hwa Kyoung Jung, Ho June Jung, Myung Cho, Ho Soon Yang, Ho Sang Kim, Kyoung Don Lee, Hyo Sung Ahn, Won Hyun Park, Sug Whan Kim, Byeong Gon Park

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


The Fast Steering Mirror (FSM) of the GMT is going to be the first-light secondary mirror system. An FSM prototype has been developed which consists of 1 m off-axis aspheric mirror and tip-tilt test-beds. The successful development results are presented.

Original languageEnglish
Title of host publicationFreeform Optics, Freeform 2013
Publication statusPublished - 2013 Dec 1
EventFreeform Optics, Freeform 2013 - Tucson, AZ, United States
Duration: 2013 Nov 32013 Nov 7

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


OtherFreeform Optics, Freeform 2013
CountryUnited States
CityTucson, AZ

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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    Kim, Y. S., Koh, J. H., Jung, H. K., Jung, H. J., Cho, M., Yang, H. S., Kim, H. S., Lee, K. D., Ahn, H. S., Park, W. H., Kim, S. W., & Park, B. G. (2013). Development of a prototype off-axis secondary mirror for GMT. In Freeform Optics, Freeform 2013 (Optics InfoBase Conference Papers).