Optical design and analysis of 2D spectrograph for space solar telescope

Yanxun Wu; Yuesong Jiang; Guoxiang Ai

doi:10.1117/12.471435

20 September 2002 Optical design and Analysis of 2D Spectrograph for Space Solar Telescope

Yanxun Wu, Yuesong Jiang, Guoxiang Ai

Proceedings Volume 4927, Optical Design and Testing; (2002) https://doi.org/10.1117/12.471435
Event: Photonics Asia, 2002, Shanghai, China

Abstract

In a study by the National Astronomical Observatory Center (NAOC) for Space Solar Telescope (SST) laboratory, an One-meter aperture SST is being developed for measuring solar vector magnetic. This paper introduces its optical design of 2-Dimension Spectrograph (2DS), which depends their action on the interference of polarized light and are designed to transmit very sharp bands with very high resolution (0.075Å at 5324Å). It can be tunable for one spectral line to obtain part of the line profiles of 2-dimension field of view with 8 channels. The 2DS is also called Birefringent Filter with 8-Channel. Four forms of the filters which are used in 2DS are described in details. Analysis of the characteristic of those filters chose the 2DS has significant advantages in both transmission and profile shape. Finally, the transmittance of the filters will be discussed.

Citation Download Citation

Yanxun Wu, Yuesong Jiang, and Guoxiang Ai "Optical design and Analysis of 2D Spectrograph for Space Solar Telescope", Proc. SPIE 4927, Optical Design and Testing, (20 September 2002); https://doi.org/10.1117/12.471435

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