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Switchable single- and dual-wavelength femtosecond mode-locked Er-doped fiber laser based on carboxyl-functionalized graphene oxide saturable absorber | Chinese Optics Letters -- 中国光学期刊网
Femtosecond Er-doped fiber laser source tunable from 872 to 1075 nm for two-photon vision studies in humans
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Switchable single- and dual-wavelength femtosecond mode-locked Er-doped fiber laser based on carboxyl-functionalized graphene oxide saturable absorber | Chinese Optics Letters -- 中国光学期刊网
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