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High-temperature-resistant distributed Bragg reflector fiber laser written in Er/Yb co-doped fiber
2008
Optics Express
We present a high-temperature-resistant distributed Bragg reflector fiber laser photowritten in Er/Yb codoped phosphosilicate fiber that is capable of long-term operation at 500 o C. Highly saturated Bragg gratings are directly inscribed into the Er/Yb fiber without hydrogen loading by using a 193 nm excimer laser and phase mask method. After annealing at elevated temperature, the remained gratings are strong enough for laser oscillation. The laser operates in robust single mode with output
doi:10.1364/oe.16.002958
pmid:18542381
fatcat:psmumdxeuvactci65ppnb7au6i