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Träfflista för sökning "WFRF:(Melin Peter 1964) "

Search: WFRF:(Melin Peter 1964)

  • Result 1-10 of 18
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  • Hedsten, Karin, 1964, et al. (author)
  • MEMS-based VCSEL beam steering using replicated polymer diffractive lens
  • 2008
  • In: Sensors and Actuators, A: Physical. - : Elsevier BV. - 0924-4247 .- 1873-3069. ; 142:1, s. 336-345
  • Journal article (peer-reviewed)abstract
    • Abstract. This paper describes a fully integrated micro-optical system, in which dynamic angular control of the beam from a VCSEL (vertical cavity surface emitting laser) is realized by laterally moving a collimat¬ing diffractive lens in the light path. The lens is mounted on a translatable silicon stage, which consists of a frame with an opening for the light to traverse the lens and electro-statically driven comb actuators, by which the lateral movement is achieved. Devices implementing both 1D and 2D scanning have been fabricated and evaluated. Integration of the lens onto the translatable silicon stage is done using a newly developed fabrication process based on hot embossing of an amorphous fluorocarbon polymer. This fabrication process relies on a reversed-order protocol, where the structuring of the optical element precedes the silicon microstructuring. Assembly and packaging of the VCSEL-MOEMS system, using LTCC (low temperature cofired ceramic) technique, is also demonstrated. Optical evaluation of the system and beam steering function shows significant beam deflection for a relatively low driving voltage (~70 V).
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  • Ahlgren, Madeleine, 1976-, et al. (author)
  • Self-reported symptoms of low energy availability among female elite athletes and controls
  • 2023
  • Conference paper (peer-reviewed)abstract
    • AimWe aimed to investigate symptoms of low energy availability (LEA) among athletes and recreational active people, and the associations with EDs, excessive exercise, and motivation for training and dietary behavioural changes. MethodsSwedish female national team athletes (n=150) from 26 sports, and recreational active women (n=108), 18-39 years were recruited via sport organizations and social media. Participants filled out an anonymous on-line survey comprising the LEA in Females Questionnaire (LEAF-Q), the Eating Disorder Examination Questionnaire (EDE-Q), the Major Depression Index (MDI), the Exercise Addiction Inventory (EAI), and  the Motivation to Change Questionnaire (MCQ). LEAF-Q total score >8 and EDE-Q Global score >2.3  were used to classify participants as having symptoms of LEA and eating disorders (EDs), respectively.ResultsOf all participants, 47% had symptoms of LEA with no difference between elite athletes (47%) and controls (48%). Participants with LEA had lower body mass and BMI compared to those with no symptoms, while no differences were found in age or training load. Most of the participants with LEA (69%) did not have symptoms of EDs. However, when excluding all participants with ED symptoms (n=65), participants with LEA had higher EDE-Q sub scale scores, MDI and EAI scores, and they reported poorer health status and reduced ability to increase energy intake and to lower the training load compared to participants with no LEA symptoms. ConclusionOur findings confirm earlier indications that symptoms of LEA is frequent among elite athletes as well as sedentary people, and that most LEA cases do not have EDs. However, our findings suggest that symptoms of LEA may still be associated with poor well-being, restricted eating and excessive training behaviour and negative focus on body shape and weight. Reversing LEA by increased energy intake and/or reduced training load is the only treatment to prevent REDs health and performance implications. Our findings therefore emphasize the need for multidisciplinary prevention strategies to ensure necessary dietary and training behavioural changes.
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  • Melin, Jonas, et al. (author)
  • Microreplication in a Silicon Processing Compatible Material
  • 2005
  • In: IEEE/LEOS Optical MEMS 2005: International Conference on Optical MEMS and Their Applications, Oulu, Finland, 1-4 August 2005. - 9780780392786 ; , s. 89-90
  • Conference paper (peer-reviewed)abstract
    • We present a novel fabrication process for the integration of polymer micro-optical elements on silicon. The process relies on a reverse order protocol based on embossing in an amorphous fluorocarbon polymer, Cytop™.
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  • Result 1-10 of 18
Type of publication
conference paper (10)
journal article (5)
reports (1)
doctoral thesis (1)
licentiate thesis (1)
Type of content
peer-reviewed (14)
other academic/artistic (4)
Author/Editor
Bengtsson, Jörgen, 1 ... (9)
Enoksson, Peter, 195 ... (9)
Hedsten, Karin, 1964 (9)
Melin, Jonas (7)
Nikolajeff, Fredrik (6)
Persson, Katrin (5)
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Vamling, Lennart, 19 ... (4)
Andersson, Gert (3)
Löfving, Björn, 1970 (2)
Engstrand, L (1)
Söderkvist, Peter (1)
Andersson, G (1)
Cavelier, Lucia (1)
Rosenquist, R. (1)
Jacobsson, Bo, 1960 (1)
Fioretos, Thoas (1)
Nordmark, Gunnel (1)
Stenmark, Bianca, 19 ... (1)
Wedell, A (1)
Helenius, Gisela, 19 ... (1)
Ahlgren, Madeleine, ... (1)
Kjaer, Jørgen, 1973- (1)
Linnér, Susanne, 196 ... (1)
Pagels, Peter, 1964- (1)
Pojskic, Haris, 1978 ... (1)
Ragnarsson, Thony, 1 ... (1)
Melin, Anna, 1965- (1)
Larsson, Pär (1)
Johansson, Åsa (1)
Wirta, Valtteri (1)
Rödjegård, Henrik (1)
Levin, Lars-Åke (1)
Palmqvist, Richard (1)
Wadelius, Mia (1)
Johansson, Maria (1)
Lindstrand, A (1)
Repsilber, Dirk, 197 ... (1)
Gyllensten, Ulf (1)
Palmqvist, Lars, 196 ... (1)
Ehrencrona, Hans (1)
Gisselsson, David (1)
Melin, Malin (1)
Landström, Maréne (1)
Nordgren, Ann, 1964 (1)
Botling, Johan (1)
Edsjö, Anders (1)
Sikora, P. (1)
Berglund, Eva (1)
Strid, Tobias (1)
Friedman, M. (1)
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University
Chalmers University of Technology (16)
Uppsala University (4)
University of Gothenburg (1)
Umeå University (1)
Royal Institute of Technology (1)
Örebro University (1)
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Linköping University (1)
Lund University (1)
Linnaeus University (1)
Karolinska Institutet (1)
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Language
English (18)
Research subject (UKÄ/SCB)
Engineering and Technology (16)
Medical and Health Sciences (2)
Natural sciences (1)

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