Thermal, stress, and thermo-optic effects in high average power double-clad silica fiber lasers

By David C. Brown, H. Hoffman. 2001

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The promise of cryogenic solid-state lasers (2005, background): “For instance, in a recently published treatment of thermal effects at room temperature and above, fused silicafiber lasers [ 31 ], it was shown that one of the power limiting mechanisms is the heating of the fiber core.”
The renaissance and bright future of fibre lasers (2005, positive): “Nevertheless, due to the large product of intensity and interaction length inside the fibre core nonlinearity can be observed at very low power levels and basically limits the performance of rare-earth-doped fibre systems before limitations due to thermo-optical effects or fracture of the fibre are ”
Multi-kilowatt Single-mode Ytterbium-doped Large-core Fiber Laser (2009, positive): “Since the silica inner cladding and core themselves have considerably higher temperature limits [18], the temperature of the inner surface of the polymer coating is, consequently, considered to be critical.”
High-power ZBLAN glass fiber lasers: Review and prospect (2010, methodology): “For a common rare-earth-doped fiber, the temperature distribution in the core and the cladding region can be calculated by the following equations [195]:”