portada Advanced Uvoir Mirror Technology Development for Very Large Space Telescopes (en Inglés)

Advanced Uvoir Mirror Technology Development for Very Large Space Telescopes (en Inglés)

Formato

Libro Físico

Autor

Nasa Technical Reports Server (Ntrs)

Philip H. Stahl

Editorial

Bibliogov

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

24.6x18.9x0.2 cm

Peso

0.08 kg.

ISBN13

9781289011116

Categorías

Política y gobierno

Advanced Uvoir Mirror Technology Development for Very Large Space Telescopes (en Inglés)

Nasa Technical Reports Server (Ntrs) (Autor) · Philip H. Stahl (Autor) · Bibliogov · Tapa Blanda

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Reseña del libro "Advanced Uvoir Mirror Technology Development for Very Large Space Telescopes (en Inglés)"

Objective of this work is to define and initiate a long-term program to mature six inter-linked critical technologies for future UVOIR space telescope mirrors to TRL6 by 2018 so that a viable flight mission can be proposed to the 2020 Decadal Review. (1) Large-Aperture, Low Areal Density, High Stiffness Mirrors: 4 to 8 m monolithic & 8 to 16 m segmented primary mirrors require larger, thicker, stiffer substrates. (2) Support System: Large-aperture mirrors require large support systems to ensure that they survive launch and deploy on orbit in a stress-free and undistorted shape. (3) Mid/High Spatial Frequency Figure Error: A very smooth mirror is critical for producing a high-quality point spread function (PSF) for high-contrast imaging. (4) Segment Edges: Edges impact PSF for high-contrast imaging applications, contributes to stray light noise, and affects the total collecting aperture. (5) Segment-to-Segment Gap Phasing: Segment phasing is critical for producing a high-quality temporally stable PSF. (6) Integrated Model Validation: On-orbit performance is determined by mechanical and thermal stability. Future systems require validated performance models. We are pursuing multiple design paths give the science community the option to enable either a future monolithic or segmented space telescope.