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- Fragemann, Anna, et al.
(författare)
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Optical parametric amplification of a picosecond pulsed laser diode at 975 nm
- 2005
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Ingår i: Conference on Lasers and Electro-Optics Europe. - 0780389743 - 9780780389748
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Konferensbidrag (refereegranskat)abstract
- Optical parametric amplification, employing periodically poled KTiOPO 4 as the gain medium, was used to amplify picosecond pulses at 975 nm emitted by a laser diode. A gain of 35 dB was achieved.
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- Jacobsson, Björn, et al.
(författare)
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Narrowband optical parametric oscillator using a bulk Bragg grating
- 2005
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Ingår i: Conference on Lasers and Electro-Optics Europe. - 0780389743 - 9780780389748
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Konferensbidrag (refereegranskat)abstract
- We demonstrate a narrow bandwidth optical parametric oscillator (OPO) in a compact setup with a bulk Bragg grating as outcoupler reaching a signal bandwidth of 0.18 nm at 975 nm.
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- Zaïr, A., et al.
(författare)
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Confinement of attosecond train pulses by using a modulated polarization IR pulse
- 2005
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Ingår i: 2005 Conference on Lasers and Electro-Optics Europe. - 0780389743 - 9780780389748
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Konferensbidrag (refereegranskat)abstract
- We study the temporal and spectral behaviour of high order harmonics generated by pulses with temporally modulated polarization. We observe a harmonic temporal confinement and a harmonic spectral broadening, compatible with 1 -or-2 attosecond pulse emission.
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9. |
- Grönlund, Rasmus, et al.
(författare)
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Remote laser-induced fluorescence imaging for assessment of cultural heritage
- 2005
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Ingår i: 2005 Conference on Lasers and Electro-Optics Europe. - 0780389743 ; , s. 685-685
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Konferensbidrag (refereegranskat)abstract
- In this paper, we propose to perform remote laser-induced fluorescence imaging for assessment of cultural heritage. The experiments are performed using the lidar system consist of frequency-tripled Nd:YAG laser at 355 nm with a spot size of ~4 cm diameter and the signal is collected using a coaxial 40-cm-diameter Newtonian telescope. The fluorescence light is focused into an optical fibre and guided a time-gated optical multichannel analyser system, where the fluorescence spectrum is recorded. Then the laser directed to the next point and thus a fluorescence image can be produced
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10. |
- Grönlund, Rasmus, et al.
(författare)
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Remote LIBS and Raman imaging for assessment of cultural heritage
- 2005
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Ingår i: 2005 Conference on Lasers and Electro-Optics Europe. - 0780389743 ; , s. 684-684
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Konferensbidrag (refereegranskat)abstract
- In this paper, we propose to perform remote laser-induced breakdown spectroscopy (LIBS) and Raman imaging of historical monuments to assess the state of a building. The lidar system is equipped with a Nd:YAG pumped optical parametrical oscillator (OPO) system, allowing laser radiation in the wavelength range 220 nm-4 μm. The laser radiation can be sent through a roof-top dome which can steer the radiation onto the point of interest
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