Riumkin K E, Melkumov M A, Varfolomeev I A, Shubin A V, Bufetov I A, Firstov S V, Khopin V F, Umnikov A A, Guryanov A N, Dianov E M
Opt Lett. 2014 Apr 15;39(8):2503-6. doi: 10.1364/OL.39.002503.
Excited-state absorption (ESA) in various bismuth-doped fibers (BDFs) was investigated. No significant ESA in IR emission bands of Bi-doped germanosilicate and phosphosilicate fibers was found. Considerable ESA was observed in Bi-doped aluminosilicate fibers at 800-1700 nm. The ESA spectra of the aluminosilicate BDFs with different bismuth concentration were measured at room and 77 K temperature. Significant dependence of the ESA on the bismuth concentration and the fiber temperature was found.
研究了各种铋掺杂光纤（BDF）中的激发态吸收（ESA）。在掺铋锗酸盐和磷硅酸盐光纤的红外发射带中未发现明显的ESA。在800-1700纳米的掺铋铝硅酸盐光纤中观察到了相当大的ESA。在室温和77K温度下测量了不同铋浓度的铝硅酸盐BDF的ESA光谱。发现ESA对铋浓度和光纤温度有显著依赖性。
