Design of a high-bandwidth data recording and quicklook display system for a photon-counting speckle camera

Guenther Eichhorn; E. Keith Hege

doi:10.1117/12.19319

1 August 1990 Design of a high-bandwidth data recording and quicklook display system for a photon-counting speckle camera

Guenther Eichhorn, E. Keith Hege

Author Affiliations +

Proceedings Volume 1237, Amplitude and Intensity Spatial Interferometry; (1990) https://doi.org/10.1117/12.19319
Event: SPIE Astronomical Telescopes and Instrumentation for the 21st Century, 1990, Tucson, AZ, United States

Abstract

The computer system described in this paper is designed to capture event data from a photon-counting speckle camera at photon event rates of up to 1 MHz continuously. The display and quicklook computer uses several single board computers (SBC's) to display the photon events in real-time, calculate the centroid of the data for autoguiding of the telescope, and calculate the autocorrelation function. The system is based on the VMEbus architecture. The SBC's operate under the VxWorks real-time operating system. A Sun workstation is used for code development. the SBC's are mostly selected for speed since the computational requirements are very high. Eventually a Sun workstation for near-real-time image processing and image reconstruction will be used to receive quicklook data from the control computer.

Citation Download Citation

Guenther Eichhorn and E. Keith Hege "Design of a high-bandwidth data recording and quicklook display system for a photon-counting speckle camera", Proc. SPIE 1237, Amplitude and Intensity Spatial Interferometry, (1 August 1990); https://doi.org/10.1117/12.19319

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