Hybrid diode-laser fiber-amplifier source of high-energy ultrashort pulses
Journal Article
·
· Optics Letters; (United States)
- IMRA America, Inc., 1044 Woodridge Avenue, Ann Arbor, Michigan 48105 (United States)
- Institute of Optical Research, S-10044 Stockholm (Sweden)
- Royal Institute of Technology, S-10044 Stockholm (Sweden)
We demonstrate what we believe is the first compact laser system for generating ultrashort microjoule-energy optical pulses. Linearly chirped pulses from monolithic tunable Bragg-reflection laser diodes were amplified in a diode-pumped two-stage erbium-doped fiber amplifier and compressed with a grating-pair compressor. The laser diodes had their emission wavelengths at 1.538 and 1.562 [mu]m. The highest pulse energies obtained were 2 [mu]J at the repetition frequencies of 1--10 kHz and were at the saturation energy level of the fiber amplifier. The shortest duration of compressed pulses is 1.8 ps.
- OSTI ID:
- 6877749
- Journal Information:
- Optics Letters; (United States), Vol. 19:14; ISSN 0146-9592
- Country of Publication:
- United States
- Language:
- English
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