mxSPEC: a massively multiplexed full-disk spectroheliograph for solar physics research

Haosheng Lin

doi:10.1117/12.2057120

8 July 2014 mxSPEC: a massively multiplexed full-disk spectroheliograph for solar physics research

Haosheng Lin

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 914712 (2014) https://doi.org/10.1117/12.2057120
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

The Massively Multiplexed Spectrograph (mxSPEC) is a new instrument concept that takes advantage of modern high-speed large-format focal plane arrays (FPAs) and high efficiency bandpass isolation filters to multiplex spectra from many slices of the telescope field simultaneously onto the FPAs within a single grating spectrograph. This design greatly reduces the time required to scan a large telescope field, and with current technologies can achieve more than a factor of 50 or more improvement of the system efficiency over a conventional long-slit spectrograph. Furthermore, several spectral lines can be observed at the same time with proper selection of the diffraction grating, further improving the efficiency of this design to more than two orders of magnitude over conventional single-slit, single-wavelength instrument. This paper describes an experimental, proof-of-concept, 40-slit full-disk spectrograph that demonstrates the feasibility of this new instrument concept and its potential for solar physics research including helioseismology, dynamic solar events, and global scale magnetic field observation of the solar disk and the corona. We also present the preliminary design of a 4-line, 55-slit spectroheliograph that can serve as the template for the instruments of the next generation synoptic solar observatory.

Citation Download Citation

Haosheng Lin "mxSPEC: a massively multiplexed full-disk spectroheliograph for solar physics research", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 914712 (8 July 2014); https://doi.org/10.1117/12.2057120

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

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