Concepedia

Sten Helmfrid

SH

Statistics

Publications

10

Citations

455

H-Index

10

Active since

1991

Affiliations

KTH Royal Institute of Technology(Current)

Kista Photonics Research Center

Sten Helmfrid is an author at KTH Royal Institute of Technology specializing in photonics, optics, and optoelectronics.

Publications per year

1991–2007

10

Publications

10

Heterodyne measurement of the fluorescent radiation of a single trapped ion

J. T. Höffges, Hanna‐Mari Baldauf, T. Eichler et al. · Optics Communications · 1997 · 105 citations

Natural Sciences, Biophysics, Molecular Physics +9

Stimulated emission in Er:Ti:LiNbO <sub>3</sub> channel waveguides close to 1.53 μm transition

Sten Helmfrid, G. Arvidsson, J. Webjörn et al. · Electronics Letters · 1991 · 68 citations

Engineering, Materials Engineering, Materials Science +13

Influence of randomly varying domain lengths and nonuniform effective index on second-harmonic generation in quasi-phase-matching waveguides

Sten Helmfrid, G. Arvidsson · Journal of the Optical Society of America B · 1991 · 68 citations

Engineering, Electrical Engineering, Optics +15

Fabrication of advanced fiber Bragg gratings by use of sequential writing with a continuous-wave ultraviolet laser source

Ingemar Petermann, Bengt Sahlgren, Sten Helmfrid et al. · Applied Optics · 2002 · 42 citations

Natural Sciences, Manufacturing Engineering, Materials Science +11

Stable single-mode operation of intracavity-doubled diode-pumped Nd:YVO4 lasers: theoretical study

Sten Helmfrid, Kimio Tatsuno · Journal of the Optical Society of America B · 1994 · 39 citations

Engineering, Electrical Engineering, Optics +16

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