Result Number | Material Type | Add to My Shelf Action | Record Details and Options |
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1 |
Material Type: Livro
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Geographical departments, publications and periodicals in "Norden"Staffan Helmfrid 1927- International Geographical Congress (19th 1960 Stockholm)Stockholm? 1960?Localização: FFLCH - Fac. Fil. Let. e Ciências Humanas (060.91 C749ge 1960 )(Acessar) |
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2 |
Material Type: Livro
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Final congress report, bibliography, congress members, etc. [Congrès international de géographie, Norden, 1960]International Geographical Congress (19th 1960 Stockholm) Staffan Helmfrid 1927-Stockholm s.n. 1963Localização: FFLCH - Fac. Fil. Let. e Ciências Humanas (060.91 C749f 1960 )(Acessar) |
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3 |
Material Type: Artigo
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Rural Landscapes: past processes and future strategiesPalang, Hannes ; Helmfrid, Staffan ; Antrop, Marc ; Alumäe, HelenLandscape and urban planning, 2005-01, Vol.70 (1-2), p.3-8 [Periódico revisado por pares]Amsterdam: Elsevier B.VTexto completo disponível |
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4 |
Material Type: Artigo
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Observation of strongly nonquadratic homogeneous upconversion in Er/sup 3+/-doped silica fibers and reevaluation of the degree of clusteringPhilipsen, J.L. ; Broeng, J. ; Bjarklev, A. ; Helmfrid, S. ; Bremberg, D. ; Jaskorzynska, B. ; Palsdonir, B.IEEE journal of quantum electronics, 1999-11, Vol.35 (11), p.1741-1749 [Periódico revisado por pares]IEEETexto completo disponível |
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5 |
Material Type: Artigo
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Heterodyne measurement of the fluorescent radiation of a single trapped ionHöffges, J.T ; Baldauf, H.W ; Eichler, T ; Helmfrid, S.R ; Walther, HOptics communications, 1997, Vol.133 (1), p.170-174 [Periódico revisado por pares]Elsevier B.VTexto completo disponível |
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6 |
Material Type: Artigo
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Tunable and programmable optical bandpass filterPetermann, I ; Helmfrid, S ; Gunnarsson, O ; Kjellberg, LJournal of optics. A, Pure and applied optics, 2007-11, Vol.9 (11), p.1057-1061Bristol: IOP PublishingTexto completo disponível |
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7 |
Material Type: Artigo
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Observation of strongly nonquadratic homogeneous upconversion in Er (3+)-doped silica fibers and reevaluation of the degree of clusteringPhilipsen, J L ; Broeng, J ; Bjarklev, A ; Helmfrid, S ; Bremberg, D ; Jaskorzynska, B ; Palsdonir, BIEEE journal of quantum electronics, 1999-11, Vol.35 (11), p.1741-1749 [Periódico revisado por pares]Texto completo disponível |
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8 |
Material Type: Ata de Congresso
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Channelized dispersion-compensating grating by periodic continuous phase and amplitude modulationHelmfrid, S. ; Sahlgren, B. ; Ahlfeldt, H. ; Ostlund, L.2008 34th European Conference on Optical Communication, 2008, p.1-2IEEETexto completo disponível |
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9 |
Material Type: Artigo
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Observation of strongly nonquadratic homogeneous upconversion in Er3+-doped silica fibers and reevaluation of the degree of clusteringPHILIPSEN, J. L ; BROENG, J ; BJARKLEV, A ; HELMFRID, S ; BREMBERG, D ; JASKORZYNSKA, B ; PALSDOTTIR, BIEEE journal of quantum electronics, 1999-11, Vol.35 (11), p.1741-1749 [Periódico revisado por pares]New York, NY: Institute of Electrical and Electronics EngineersTexto completo disponível |
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10 |
Material Type: Artigo
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Limitations of the interferometric side diffraction technique for fibre Bragg grating characterizationPetermann, Ingemar ; Helmfrid, Sten ; Friberg, Ari T.Optics communications, 2002, Vol.201 (4), p.301-308, Article 4 [Periódico revisado por pares]Amsterdam: Elsevier B.VTexto completo disponível |