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- Pasiskevicius, Valdas, et al.
(författare)
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Singly resonant optical parametric oscillator in periodically poled KTiOPO4 pumped by a Bessel beam
- 2000
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Ingår i: Optics Letters. - 0146-9592 .- 1539-4794. ; 25:13, s. 969-971
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Tidskriftsartikel (refereegranskat)abstract
- Conical pumping was used in a periodically poled KTiOPO4 optical parametric oscillator for singly resonant idler generation in a nearly diffraction-limited axial beam. A single signal-idler pair was generated over the whole tuning range by use of asymmetric reflectivity of the OPO mirrors. Pump depletion of 40% and total conversion efficiency of 27% were obtained. Additional OPO tuning capability was demonstrated by adjustment of the angle of the conical pump beam.
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- Smilgevicius, V., et al.
(författare)
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Noncollinear optical parametric oscillator with periodically poled KTP
- 2000
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Ingår i: Optics Communications. - 0030-4018 .- 1873-0310. ; 173:06-jan, s. 365-369
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Tidskriftsartikel (refereegranskat)abstract
- We demonstrate efficient noncollinear low-threshold optical parametric oscillation in periodically poled KTP crystal pumped by the second harmonic of the Q-switched Nd:YAG laser. The noncollinear geometry provides an angular frequency tuning at fixed temperature.
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