| 摘要 |
A mode-locked external cavity laser device includes a plurality of gain elements with corresponding end mirrors, and a diffracting element that diffracts optical beams emitted by the gain elements and combines the diffracted optical beams to form an overlapping output beam. A mode-locking device that intercepts the overlapping output beam and in cooperation with the end mirrors forms the external cavity. The mode-locking device mode-locks the optical beams from the gain elements in common and thus forms a mode-locked optical output beam of picosecond or femtosecond duration and high peak power.
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