Abstract
A one dimensional monolithic array of GaAs light emitting PNPN diodes processed on a single crystal strip, intended for use as a flying spot scanner, is proposed. This will be called the Light Spot Scanner (LSS). A bright spot (ON state of the light emitting PNPN diode) shifts from one elementary diode to the next with the aid of a three-phase driving voltage. The experimental GaAs LSS consisted of 100 diode elements. The driving current was within 50–300 mA at voltages ranging from 1.2 to 1.5 volts. The effective light output of 9400 Å wavelength was about 1.5 mW when driven at 50 mA. The maximum scanning speed was 3.0 × 10 5 elements/sec.
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