Performance evaluation of Co2+ :CdTe as an optical gain medium

Eric J. Turner; Sean McDaniel; Jonathan Evans

doi:10.1117/12.2309502

4 May 2018 Performance evaluation of CO²⁺:CdTe as an optical gain medium

Eric J. Turner, Sean McDaniel, Jonathan Evans

Proceedings Volume 10637, Laser Technology for Defense and Security XIV; 106370W (2018) https://doi.org/10.1117/12.2309502
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

Optical amplification of a mid-IR laser using a Co²⁺ :CdTe amplifier was attempted by a double-pass technique. A 2.825 μm pump source was used to amplify a 3.780 μm seed source through the gain medium. Of transition-metal-doped chalcogenide lasers, iron (Fe²⁺) and chromium (Cr²⁺) have emerged as practical sources of tunable mid-infrared radiation, while cobalt (Co²⁺) still remains comparatively unexplored. The initial observations of directly pumping into the ⁴T₂ energy level are reported and discussed to better understand the potential of Co:CdTe as a mid-infrared gain medium.

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Eric J. Turner, Sean McDaniel, and Jonathan Evans "Performance evaluation of CO²⁺:CdTe as an optical gain medium", Proc. SPIE 10637, Laser Technology for Defense and Security XIV, 106370W (4 May 2018); https://doi.org/10.1117/12.2309502

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