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Broadly Tunable Picosecond Narrowband pulses in a periodically poled KTiOPO4 parametric amplifier
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- Tiihonen, Mikael (author)
- KTH,Tillämpad fysik
-
- Pasiskevicius, Valdas (author)
- KTH,Tillämpad fysik
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- Laurell, Fredrik (author)
- KTH,Tillämpad fysik
- (creator_code:org_t)
- 2006
- 2006
- English.
- In: Optics Express. - 1094-4087. ; 14:19, s. 8728-8739
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A picosecond double-pass periodically poled KTiOPO4 (PPKTP) noncollinear parametric amplifier that delivers tunable and narrowband outputs between 1.1 mu m and 1.65 mu m is reported. The seed source is an ultra-broadband emitting PPKTP collinear parametric generator, which is spectrally narrowed, from a bandwidth of 80 THz to about 0.3 THz, by a Fourier-filtering arrangement. A parametric gain of 70 dB is measured with preserved spectral bandwidth, resulting in a signal energy of 6.5 mu J at a pump energy of 60 mu J from the Ti:sapphire regenerative amplifier. The total energy-budget for the setup is less than 100 mu J with an optical-to-optical efficiency of 12%. This particular system is scalable to even lower pump energies by tighter focusing arrangements
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- raman scattering microscopy
- high-sensitivity
- amplification
- diode
- Optical physics
- Optisk fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Royal Institute of Technology
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