15 January 1990 Effect Of Neutron Irradiation On Laser Diode Properties
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The effects of neutron irradiation on several properties of both single and multiple stripe laser diodes have been examined. Prior to fast neutron irradiation, total light output as a function of laser current, threshold current, near field pattern, far field pattern, and laser output wavelength spectra were measured at roan torperature. These measurements were then repeated at intermittent neutron fluence levels. It was observed that the threshold current increased with neutron fluence for all devices examined. In contrast, neutron irradiation had only an indirect effect on the remainder of the laser diode properties in that the higher currents required for operation after irradiation caused variations in these properties.
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C. Barnes, D. Heflinger, R. Reel, "Effect Of Neutron Irradiation On Laser Diode Properties", Proc. SPIE 1174, Fiber Optics Reliability: Benign and Adverse Environments III, (15 January 1990); doi: 10.1117/12.963249; https://doi.org/10.1117/12.963249

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