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| The ultranarrow bandwidth mode-locked laser can be tuned for pulse duration. It uses a new filter configuration and single-walled carbon nanotube as saturable absorbers. The laser has a nearly 1-nanosecond tuning range for pulse-width, the largest reported to date. Credit: W. Li et al., doi 10.1117/1.APN.4.3.036016 (Advanced Photonics Nexus). |
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