Fig. 4: The configuration of the single-frequency fiber laser system.
(MFA: band-pass filter; MFA: mode-filed-adaptor; LDs: laser diodes; HOMLF: high-order mode leakage fiber; QBH: quartz block holder ; DM: dichroic mirror; RM: reflecting mirror)
Fig. 4: The configuration of the single-frequency fiber laser system. | Light: Science & Applications
