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布里渊掺铒光纤激光器(BEFL)是一种利用非线性效应——布里渊散射来实现多波长输出的激光器,波长间隔大约为0.088nm(11GHz)。研究了一种多波长布里渊掺铒光纤激光器线形结构,通过引入反馈实现多波长输出。在布里渊泵浦功率为11mW,980nm泵浦功率为12mW时获得了波长间隔为0.08nm的34个波长的激光输出以及1 525~1 570nm可调谐范围。并通过调节980nm抽运光功率以及布里渊泵浦光波长,实现了可调谐的多波长输出。还研究了980nm抽运光功率对产生的斯托克斯光波数的影响。
The Brillouin Erbium-Doped Fiber Laser (BEFL) is a laser that uses multi-wavelength output with nonlinear effects - Brillouin scattering to achieve a wavelength separation of approximately 0.088 nm (11 GHz). A multi-wavelength Brillouin erbium-doped fiber laser linear structure is studied, and multi-wavelength output is achieved by introducing feedback. When the Brillouin pump power is 11mW and the pump power is 12mW at 980nm, the laser output of 34 wavelengths with the wavelength of 0.08nm and the tunable range of 5225 ~ 1546nm are obtained. The tunable multiwavelength output is achieved by adjusting the pump power at 980 nm and the Brillouin pump wavelength. The effect of the pump power at 980 nm on the Stokes light wave number generated was also studied.