Compact, widely tunable ultrashort burst pulse generator using four mirrors
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908345385877504 |
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| author | Tanaka, Rikako Shimada, Keitaro Ishijima, Ayumu Kobayashi, Etsuko Mikami, Hideharu Sakuma, Ichiro Nakagawa, Keiichi |
| author_facet | Tanaka, Rikako Shimada, Keitaro Ishijima, Ayumu Kobayashi, Etsuko Mikami, Hideharu Sakuma, Ichiro Nakagawa, Keiichi |
| contents | Ultrashort burst laser pulses serve as powerful tools for precise laser processing, broadband ultrafast spectroscopy, and high-speed laser-scanning microscopy. However, the performance of conventional burst pulse generators is limited by constraints in the pulse time interval variability, pulse energy variability, pulse number variability, and overall system complexity. Here, we present a compact burst pulse generator that offers a broad tuning range for pulse time intervals, along with control over the number of pulses and pulse energies within the burst. It consists of four mirrors, two of which are parallel to each other, and outputs pulses that are equally spaced both temporally and spatially. We demonstrated the generation of a burst laser pulse by shaping a single ultrashort laser pulse into six pulses with time intervals ranging from femtoseconds to nanoseconds. The pulse time intervals and energies were consistent with theoretical results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_16579 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Compact, widely tunable ultrashort burst pulse generator using four mirrors Tanaka, Rikako Shimada, Keitaro Ishijima, Ayumu Kobayashi, Etsuko Mikami, Hideharu Sakuma, Ichiro Nakagawa, Keiichi Optics Applied Physics Ultrashort burst laser pulses serve as powerful tools for precise laser processing, broadband ultrafast spectroscopy, and high-speed laser-scanning microscopy. However, the performance of conventional burst pulse generators is limited by constraints in the pulse time interval variability, pulse energy variability, pulse number variability, and overall system complexity. Here, we present a compact burst pulse generator that offers a broad tuning range for pulse time intervals, along with control over the number of pulses and pulse energies within the burst. It consists of four mirrors, two of which are parallel to each other, and outputs pulses that are equally spaced both temporally and spatially. We demonstrated the generation of a burst laser pulse by shaping a single ultrashort laser pulse into six pulses with time intervals ranging from femtoseconds to nanoseconds. The pulse time intervals and energies were consistent with theoretical results. |
| title | Compact, widely tunable ultrashort burst pulse generator using four mirrors |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2501.16579 |