Analysis of a new polarimeter for the Space Solar Telescope

Dongguang Wang; Yuanyong Deng; Guoxiang Ai

doi:10.1117/12.458656

Abstract

A new Stokes polarimeter for high accuracy measurement of solar magnetic field is being developed by National Astronomical Observatories, Chinese Academy of Sciences (NAOC). This instrument will be installed in the Space Solar Telescope (SST), which has a one-meter primary mirror, and a two-dimensional spectrograph with 8-channel birefringent filter. In order to minimize the crosstalk in linear polarization from the circular polarization, a novel optical assembly has been selected. This design consists of a quarter retarder, a rotatable polarizer, and a half retarder. The half retarder will rotate with the polarizer by an angle of half quantity of the rotating angle of the polarizer. In this paper, we will introduce this polarimeter and discuss the achromatic performance of the polarization elements in the polarimeter. We will focus on comparing the orientation and retardation of different kind of achromatic waveplate in profiles and give which is the best one for SST polarimeter. In addition, we will show the calculation crosstalk value of this polarimeter at designed wavelength.

Citation Download Citation

Dongguang Wang, Dongguang Wang, Yuanyong Deng, Yuanyong Deng, Guoxiang Ai, Guoxiang Ai, } "Analysis of a new polarimeter for Space Solar Telescope", Proc. SPIE 4843, Polarimetry in Astronomy, (14 February 2003); doi: 10.1117/12.458656; https://doi.org/10.1117/12.458656

ACCESS THE FULL ARTICLE

PERSONAL SIGN IN
Full access may be available with your subscription

Email or Username Forgot your username?

Password Forgot your password?

Show

Remember Email/Username on this computer

Remember Password

No SPIE account? Create an account
or Institutional Sign In via Shibboleth

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $14.40

Non-members: $18.00 ADD TO CART

Show All Keywords

Keywords/Phrases

Search In:

Publication Years