Passive Broadband High Dynamic Range Semiconductor Limiters

D. J. Hagan; E. W. Van Stryland; Y. Y. Wu; T. H. Wei; M. Sheik-Bahae; A. Said; Kamjou Mansour; J. Young; M. J. Soileau

doi:10.1117/12.960616

30 August 1989 Passive Broadband High Dynamic Range Semiconductor Limiters

D. J. Hagan, E. W. Van Stryland, Y. Y. Wu, T. H. Wei, M. Sheik-Bahae, A. Said, Kamjou Mansour, J. Young, M. J. Soileau

Proceedings Volume 1105, Materials for Optical Switches, Isolators, and Limiters; (1989) https://doi.org/10.1117/12.960616
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

The principles of operation of semiconductor optical limiters which utilize two-photon absorption and free-carrier induced defocusing are described. We present a review of early work using psec pulses at 532 nm in ZnSe, in which the problem of damage in solid state limiters is overcome by optimizing the focusing geometry. Limiting energies as loW as 10 nJ are seen, and a dynamic range (damage energy divided by limiting energy) in excess of 104 is demonstrated. The somewhat complicated propagation theory is simplified into a set of scaling rules which are used to predict operating characteristics of semiconductor limiters at longer wavelengths and for shorter pulses. We present new limiting data obtained with longer pulses in ZnSe, in CdTe at 1.06 μm and InSb at 10.6 μm, and we compare these results with the scaling rules.

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D. J. Hagan, E. W. Van Stryland, Y. Y. Wu, T. H. Wei, M. Sheik-Bahae, A. Said, Kamjou Mansour, J. Young, and M. J. Soileau "Passive Broadband High Dynamic Range Semiconductor Limiters", Proc. SPIE 1105, Materials for Optical Switches, Isolators, and Limiters, (30 August 1989); https://doi.org/10.1117/12.960616

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