We will review strategies for using the radiation-balanced technique to address the problem of excessive heat generation in optical fiber lasers and amplifiers. Our approach is to study the design parameter space and explore the role of different parameters in making an effective athermal device. The fiber geometry (core and cladding dimensions), its optics (fiber materials and refractive indices), the choice of the rare-earth gain materials and their spatial distribution in the fiber, and device configuration (pumping schemes and laser-cavity or amplifier design) will be investigated. Other issues such as the thermometry of the optical fiber will also be discussed.
Arash Mafi, "Design strategies for athermal fiber lasers and amplifiers (Conference Presentation)," Proc. SPIE 10550, Optical and Electronic Cooling of Solids III, 1055008 (Presented at SPIE OPTO: January 31, 2018; Published: 14 March 2018); https://doi.org/10.1117/12.2292207.5751550963001.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon