The Lockheed diode array magnetograph

Details The Lockheed diode array magnetograph The Lockheed diode array magnetograph

Jan 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975soph...40..241s&link_type=abstract

Solar Physics, vol. 40, Jan. 1975, p. 241-246. Research supported by the Lockheed Missiles and Space Independent Research Funds;

Physics

4

Integrated Circuits, Junction Diodes, Magnetometers, Matrices (Circuits), Radiation Detectors, Silicon Junctions, Solar Instruments, Analog Data, Digital Systems, Imaging Techniques, Linear Arrays, Photosensitivity, Signal Processing, Signal To Noise Ratios, Solar Magnetic Field

Scientific paper

A new magnetograph using a solid state monolithic linear silicon diode array has been constructed at Lockheed Solar Observatory. This magnetograph uses a digital image processor, and makes data available both in digital and analog form. The diode array detector is capable of a signal-to-noise ratio of 2000:1 or better when cooled to a temperature of -40 deg centigrade. Thus, intensity differences of the order of one part in a thousand may easily be detected without signal averaging. This instrument may be considered a prototype for an instrument using a two-dimensional array. The magnetograph is now fully operational, and is being used to produce data for statistical studies of solar magnetic field diffusion.

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