- Modeling of transient modal instability in fiber amplifiersBenjamin G Ward
Laser and Optics Research Center, Department of Physics, United States Air Force Academy, 2354 Fairchild Drive Ste 2A31, USAF Academy Colorado 80840, USA
Opt Express 21:12053-67. 2013..The instability becomes more severe as the power is increased...
- Solid-core photonic bandgap fibers for cladding-pumped Raman amplificationBenjamin Ward
Air Command and Staff College, Air University, Maxwell Air Force Base, Alabama 36112, USA
Opt Express 19:11852-66. 2011..A Raman amplifier based on this fiber with 85 kW of output power, 78% optical conversion efficiency, a maximum heat load of 130 W/m, and a length of 235 m is simulated...
- Origin of thermal modal instabilities in large mode area fiber amplifiersB Ward
Laser and Optics Research Center, United States Air Force Academy, USAF Academy, CO 80840, USA
Opt Express 20:11407-22. 2012..We describe the physical processes responsible for the onset of the instability and suggest possible mitigation approaches...