Gamma irradiation of Fabry–Perot interband cascade lasers

Tanya L. Myers; Bret D. Cannon; Carolyn S. Brauer; Chadwick L. Canedy; Chul Soo Kim; Mijin Kim; Charles D. Merritt; William W. Bewley; Igor Vurgaftman; Jerry R. Meyer

doi:10.1117/1.OE.57.1.011016

20 September 2017 Gamma irradiation of Fabry–Perot interband cascade lasers

Tanya L. Myers, Bret D. Cannon, Carolyn S. Brauer, Chadwick L. Canedy, Chul Soo Kim, Mijin Kim, Charles D. Merritt, William W. Bewley, Igor Vurgaftman, Jerry R. Meyer

Author Affiliations +

Optical Engineering, Vol. 57, Issue 1, 011016 (September 2017). https://doi.org/10.1117/1.OE.57.1.011016

Abstract

The effects of gamma radiation on Fabry–Perot interband cascade lasers (ICLs) were investigated. Two ICLs were exposed to cobalt-60 gamma rays for a total dose of 500 krad(Si) each. The ICLs do not show any evidence of changes in performance, including output power, threshold current, slope efficiency, or spectral frequency. These results demonstrate that ICLs are insensitive to gamma irradiation up to exposure rates above those normally encountered within a shielded spacecraft.

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Tanya L. Myers, Bret D. Cannon, Carolyn S. Brauer, Chadwick L. Canedy, Chul Soo Kim, Mijin Kim, Charles D. Merritt, William W. Bewley, Igor Vurgaftman, and Jerry R. Meyer "Gamma irradiation of Fabry–Perot interband cascade lasers," Optical Engineering 57(1), 011016 (20 September 2017). https://doi.org/10.1117/1.OE.57.1.011016

Received: 6 June 2017; Accepted: 31 August 2017; Published: 20 September 2017

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