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Sensitivity Analysis of Test Methods for Aspheric Off-axis Mirrors by Ki-Beom Ahn; Young-Soo Kim; Sungho Lee; Kwijong Park; Jaemann Kyeong; Byeong-Gon Park; Chan Park; A-Ran Lyo; In-soo Yuk; Moo-Young Chun is a Physics and Astronomy article available to read on EtoBox.
What is Sensitivity Analysis of Test Methods for Aspheric Off-axis Mirrors about?
Following the Hubble Space Telescope (HST), the next generation James Webb Space Telescope (JWST) is being developed to be launched in a few years. JWST will be a segmented mirror telescope with a design much like that developed for ground-based telescopes over the past 20 years. Several segmented mirror telescopes are currently in operation, and next generation ground-based telescopes of the 30-m class are also being designed using segmented primary mirrors. Regardless of size, segmented primary mirror telescopes often require the use of aspheric segment mirrors. One of the key factors in fabrication of aspheric segment mirrors is feasibility of testing offaxis surfaces with high accuracy. A couple of test methods have been investigated for aspheric off-axis segments. As a case study, we apply these test methods to secondary segmented mirror models of the Giant Magellan Telescope. We derive required dimensions of test set-ups and assess sensitivity of optical alignment. Characteristics of the test methods are also discussed.
Who reads Sensitivity Analysis of Test Methods for Aspheric Off-axis Mirrors?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Ki-Beom Ahn; Young-Soo Kim; Sungho Lee; Kwijong Park; Jaemann Kyeong; Byeong-Gon Park; Chan Park; A-Ran Lyo; In-soo Yuk; Moo-Young Chun
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0273-1177)
- Published
- 2011
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)