RESEARCH ON STORAGE DIODE LASERS
Final technical summary rept. for 1 Apr 1963-15 May 1964
NORTHEASTERN UNIV BOSTON MA
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Research on a proposed storage diode laser is described. The objectives are 1 completion of design theory 2 basic parameter measurements 3 experimental proof 4 fabrication of effective devices. The desirability of such a device in many potential applications is discussed. The design theory is presented in detail. Four possible storage diode laser configurations are described, of which the most promising involves a low current storage pulse and high current trigger pulse in a long lifetime material. The possibility of obtaining long lifetime by the shift from direct to indirect transition is discussed. Negative experimental results with extreme high current pulses in germanium and silicon are presented. Reverse emission of gallium arsenide and the shift of the absorption edge in germanium are described. The design of diode laser pulsers is reviewed in general. Three specific circuit configurations are presented. An electrical double pulser is described. The technology of image converters and coolers used is described.
- Lasers and Masers