Abstract
We successfully presented a multi-pulse picosecond laser with passively mode-locking, grating-stretching, regenerative amplifier and grating compression technologies. Firstly, 8.5 ps pulses with a repetition rate of 143 MHz and a maximum average output power of 160 mW were obtained by a semiconductor saturable absorption mirror (SESAM). Secondly, we got the pulses width stretched to 99.9 ps with 90 mW and single grating. Thirdly, a pulse sequence with each of five pulses per group was obtained by using a multi-pulse regeneration amplifier system, from which output energy was about 28 mJ at the repetition rate of 1 kHz and 112.1 ps in single pulse width. Finally, using a grating compressor we acquired these pulses compressed to a pulse width of 28 ps and 14 mJ in each group at a repetition rate of 1 kHz.
| Original language | English |
|---|---|
| Pages (from-to) | 25-28 |
| Number of pages | 4 |
| Journal | Optics and Laser Technology |
| Volume | 46 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Mar 2013 |
| Externally published | Yes |
Keywords
- Multi-pulse
- Picosecond
- Regeneration amplifier
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