Design analysis of the astrometrical telescope facility

Chunsheng Huang; George Lawrence; Eugene Levy; Robert McMillan

doi:10.1117/12.948024

Design analysis of the astrometrical telescope facility

Chunsheng Huang, George Lawrence, Eugene Levy, Robert McMillan

Lunar and Planetary Lab

Research output: Contribution to journal › Article › peer-review

Abstract

This paper presents a detailed analysis of a space-based telescope requiring an accuracy of 50 pico radians. A relationship between the geometric centroid of a diffraction image and wave aberrations is derived by a combination approach of diffraction optics and geometric optics. Based on sensitivity of the centroid, one-mirror and two-mirror aplanatic telescopes are investigated. The comparison among three telescopes, parabola, Schwartzschild and Ritchey-Chretien are quantitatively carried out in terms of their sensitivites to the systematic errors and random errors. The study shows that the Ritchey-Chretien design is the most preferable.

Original language	English (US)
Pages (from-to)	148-161
Number of pages	14
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	965
DOIs	https://doi.org/10.1117/12.948024
State	Published - Jan 27 1989

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.948024

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abstract = "This paper presents a detailed analysis of a space-based telescope requiring an accuracy of 50 pico radians. A relationship between the geometric centroid of a diffraction image and wave aberrations is derived by a combination approach of diffraction optics and geometric optics. Based on sensitivity of the centroid, one-mirror and two-mirror aplanatic telescopes are investigated. The comparison among three telescopes, parabola, Schwartzschild and Ritchey-Chretien are quantitatively carried out in terms of their sensitivites to the systematic errors and random errors. The study shows that the Ritchey-Chretien design is the most preferable.",

author = "Chunsheng Huang and George Lawrence and Eugene Levy and Robert McMillan",

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AB - This paper presents a detailed analysis of a space-based telescope requiring an accuracy of 50 pico radians. A relationship between the geometric centroid of a diffraction image and wave aberrations is derived by a combination approach of diffraction optics and geometric optics. Based on sensitivity of the centroid, one-mirror and two-mirror aplanatic telescopes are investigated. The comparison among three telescopes, parabola, Schwartzschild and Ritchey-Chretien are quantitatively carried out in terms of their sensitivites to the systematic errors and random errors. The study shows that the Ritchey-Chretien design is the most preferable.

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Design analysis of the astrometrical telescope facility

Abstract

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