Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Control of higher-order cladding mode excitation with tailored femtosecond-written long period fiber gratings
Heck, M.; Schwartz, G.; Krämer, R.G.; Richter, D.; Goebel, T.A.; Matzdorf, C.; Tünnermann, A.; Nolte, S.
Journal Article
2019Efficient long period fiber gratings inscribed with femtosecond pulses and an amplitude mask
Heck, M.; Krämer, R.G.; Ullsperger, T.; Goebel, T.A.; Richter, D.; Tünnermann, A.; Nolte, S.
Journal Article
2019Femtosecond written fiber Bragg gratings in ytterbium-doped fibers for fiber lasers in the kilowatt regime
Krämer, R.G.; Matzdorf, C.; Liem, A.; Bock, V.; Middents, W.; Goebel, T.A.; Heck, M.; Richter, D.; Schreiber, T.; Tünnermann, A.; Nolte, S.
Journal Article
2019Long period fiber gratings for the mitigation of parasitic laser effects in mid-infrared fiber amplifiers
Heck, M.; Gauthier, J.-C.; Tünnermann, A.; Vallee, R.; Nolte, S.; Bernier, M.
Journal Article
2018Categorization of weathering stresses for photovoltaic modules
Köhl, M.; Heck, M.; Wiesmeier, S.
Journal Article
2018Combined dynamic programming and region-elimination technique algorithm for optimal sizing and management of lithium-ion batteries for photovoltaic plants
Berrueta, A.; Heck, M.; Jantsch, M.; Ursua, A.; Sanchis, P.
Journal Article
2018Cycle aging studies of lithium nickel manganese cobald oxide-based batteries using electrochemical impedance spectroscopy
Maheshwari, A.; Heck, M.; Santarelli, M.
Journal Article
2018Femtosecond-written long-period gratings in fluoride fibers
Heck, M.; Nolte, S.; Tünnermann, A.; Vallée, R.; Bernier, M.
Journal Article
2018Messung und Berechnung der Wärmeabgabe einer Batteriezelle und Bedeutung für die Anwendung
Bruch, Maximilian; Heck, Michael; Millet Biosca, Lluis; Raab, Peter; Mirsalehian, Mohammadali; Hukan, Mohammad
Presentation
2018Mitigation of stimulated Raman scattering in high power fiber lasers using transmission gratings
Heck, M.; Bock, V.; Krämer, R.G.; Richter, D.; Goebel, T.A.; Matzdorf, C.; Liem, A.; Schreiber, T.; Tünnermann, A.; Nolte, S.
Conference Paper
2018Realization of aperiodic fiber Bragg gratings with ultrashort laser pulses and the line-by-line technique
Goebel, T.A.; Bharathan, G.; Ams, M.; Heck, M.; Krämer, R.G.; Matzdorf, C.; Richter, D.; Siems, M.P.; Fuerbach, A.; Nolte, S.
Journal Article
2018Suppression of parasitic lasing effects in fiber laser amplifiers using long period gratings
Heck, M.; Gauthier, J.-C.; Vallee, R.; Tünnermann, A.; Bernier, M.; Nolte, S.
Conference Paper
2018Ultrashort pulse point-by-point written aperiodic fiber Bragg gratings for suppression of OH-emission lines
Goebel, T.A.; Bharathan, G.; Ams, M.; Richter, D.; Krämer, R.G.; Heck, M.; Siems, M.P.; Fuerbach, A.; Nolte, S.
Conference Paper
2017Absorber Surface Durability Standard Testing
Kaltenbach, T.; Heck, M.; Weiß, K.
Conference Paper
2017Femtosecond laser pulse written long period gratings in large mode area fibers
Heck, M.; Krämer, R.G.; Richter, D.; Goebel, T.A.; Matzdorf, C.; Tünnermann, A.; Nolte, S.
Conference Paper
2017Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror
Goebel, T.A.; Voigtländer, C.; Krämer, R.G.; Richter, D.; Heck, M.; Siems, M.P.; Matzdorf, C.; Reinlein, C.; Appelfelder, M.; Schreiber, T.; Thomas, J.U.; Tünnermann, A.; Nolte, S.
Journal Article
2017Impedance change and capacity fade of lithium nickel manganese cobalt oxide-based batteries during calendar aging
Schmitt, J.; Maheshwari, A.; Heck, M.; Lux, S.; Vetter, M.
Journal Article
2017Kalorimetrische Messung der Wärmeabgabe einer Batteriezelle zur thermischen Charakterisierung
Bruch, M.; Raab, P.; Millet Biosca, L.; Mirsalehian, M.; Heck, M.; Hukan, M.
Presentation
2017Minimizing residual spectral drift in laser diode bars using femtosecond-written volume Bragg gratings in fused silica
Richter, D.; Siems, M.P.; Middents, W.J.; Heck, M.; Goebel, T.A.; Matzdorf, C.; Krämer, R.G.; Tünnermann, A.; Nolte, S.
Journal Article
2017Wavelength tuning of through-coating-written fiber bragg gratings
Goebel, T.A.; Voigtländer, C.; Krämer, R.G.; Matzdorf, C.; Heck, M.; Richter, D.; Tünnermann, A.; Nolte, S.
Conference Paper
2016Effect of thermal insulation of the back side of PV modules in the module temperature
Koehl, M.; Hamperl, S.; Heck, M.
Journal Article
2016Field Test for Polymeric Collector Models in Different Climatic Locations
Piekarczyk, A.; Volk, M.; Heck, M.; Wiesmeier, S.; Weiß, K.-A.; Köhl, M.
Journal Article, Conference Paper
2016Progress in state estimation for lithium-ion batteries
Vetter, M.; Lux, S.; Raab, P.; Heck, M.
Presentation
2015Alterungsbeständigkeit von solaren Absorbern in Bezug auf optische Eigenschaften und Oberflächenstruktur
Kaltenbach, T.; Klimm, E.; Heck, M.; Weiß, K.-A.; Köhl, M.
Conference Paper
2015Auswirkungen von Sandabrasion auf die optischen Eigenschaften und Oberflächen von Solarreflektoren und Solargläsern
Kaltenbach, T.; Heck, M.; Köhl, M.; Masche, M.; Völker, C.; Weiß, K.-A.
Conference Paper
2014Nondestructive determination of climate-specific degradation patterns for photovoltaic-module encapsulation
Peike, C.; Hoffmann, S.; Heck, M.; Kaltenbach, T.; Weiß, K.-A.; Köhl, M.
Journal Article
2013Simulation of Water Vapor Ingress into PV-Modules under different Climatic Conditions
Hülsmann, P.; Heck, M.; Köhl, M.
Journal Article
2012Modelling of conditions for accelerated lifetime testing of Humidity impact on PV-modules based on monitoring of climatic data
Köhl, M.; Heck, M.; Wiesmeier, S.
Journal Article
2012Numerische Simulation der Feuchtebelastung von PV-Modulen für unterschiedliche Klimastandorte
Hülsmann, P.; Weiß, K.-A.; Köhl, M.; Heck, M.
Conference Paper
2011Evaluation of the accelerated life testing conditions for PV-modules based on measured and simulated weathering stress
Koehl, M.; Heck, M.; Wiesmeier, S.
Conference Paper
2011Impact of heavy soiling on the power output of PV-modules
Schill, C.; Brachmann, S.; Heck, M.; Weiss, K.-A.; Koehl, M.
Conference Paper
2011Modeling of the nominal operating cell temperature based on outdoor weathering
Köhl, M.; Heck, M.; Wiesmeier, S.; Wirth, J.
Journal Article
2010PV module degradation caused by thermo-mechanical stress: Real impacts of outdoor weathering versus accelerated testing in the laboratory
Herrmann, W.; Bogdanski, N.; Reil, F.; Köhl, M.; Weiss, K.-A.; Assmus, M.; Heck, M.
Conference Paper
2010Results of 3 years' PV module weathering in various open-air climates
Bogdanski, N.; Herrmann, W.; Reil, F.; Köhl, M.; Weiss, K.-A.; Heck, M.
Conference Paper
2009Load evaluation of PV-modules for outdoor weathering under extreme climatic conditions
Köhl, M.; Heck, M.
Conference Paper
2009Natürliche und beschleunigte Bewitterung von Photovoltaikmodulen
Köhl, M.; Ferrara, C.; Heck, M.; Weiss, K.-A.; Herrmann, W.
Conference Paper
2008Indoor and outdoor weathering of PV-modules
Koehl, M.; Heck, M.; Philipp, D.; Weiss, K.-A.; Ferrara, C.; Herrmann, W.
Conference Paper
2007Analyzing mechanical stresses caused by temperature gradients using finite elements simulation
Weiß, K.-A.; Heck, M.; Köhl, M.
Conference Paper
2007Investigation of surface temperatures
Heck, M.; Köhl, M.; Philipp, D.; Schlieper, J.; Weiß, K.-A.
Conference Paper
2007Optimisation of the micro-climate in solar collectors
Köhl, M.; Kübler, V.; Heck, M.
Journal Article
2006The influence of the IR reflection of painted facades on the energy balance of a building
Prager, C.; Köhl, M.; Heck, M.; Herkel, S.
Journal Article
2005Durability of polymeric glazing materials for solar applications
Köhl, M.; Jorgensen, G.; Brunold, S.; Carlsson, B.; Heck, M.; Möller, K.
Conference Paper, Journal Article
2005Results of durability testing of antireflective glazing
Gombert, A.; Heck, M.; Kübler, V.; Köhl, M.; Carlsson, B.; Möller, K.; Brunold, S.; Zinzi, M.
Conference Paper
2004Advanced procedure for the assessment of the lifetime of solar absorber coatings
Köhl, M.; Heck, M.; Brunold, S.; Frei, U.; Carlsson, B.; Möller, K.
Journal Article, Conference Paper
2004The applicability of accelerated life testing for assessment of service life of solar thermal components
Carlsson, B.; Möller, K.; Köhl, M.; Heck, M.; Brunold, S.; Frei, U.; Marechal, J.-C.; Jorgensen, G.
Journal Article, Conference Paper
2004Assessment of durability and service lifetime of some static solar energy materials
Carlsson, B.; Brunold, S.; Gombert, A.; Heck, M.
Conference Paper
2004Assessment of service life of solar thermal components by accelerated life testing
Carlsson, B.; Möller, K.; Köhl, M.; Heck, M.; Brunold, S.; Marechal, J.; Jorgensen, G.
Conference Paper
2004Durability of polymeric glazing materials for solar applications
Jorgensen, G.; Brunold, S.; Carlsson, B.; Heck, M.; Köhl, M.; Möller, K.
Conference Paper
2003Advanced procedure for the assessments of the lifetime of solar absorber coatings
Köhl, M.; Heck, M.; Brunold, S.; Frei, U.; Carlsson, B.; Möller, K.
Conference Paper
2003The applicability of accelerated life testing for assessment of service of solar thermal components
Köhl, M.; Heck, M.; Carlsson, B.; Möller, K.; Brunold, S.; Marechal, J.-C.; Jorgensen, G.
Conference Paper
2003Assessment of service life of solar thermal components by accelerated life testing
Köhl, M.; Heck, M.; Möller, K.; Brunold, S.; Marechal, J.-C.; Jorgensen, G.; Carlsson, B.
Conference Paper
2003Durability of polymeric glazing materials for solar applications
Köhl, M.; Heck, M.; Jorgensen, G.; Brunold, S.; Carlsson, B.; Möller, K.
Conference Paper
2003Lebensdauerabschätzung bei Belastungen, die von Eigenschaften des Prüflings abhängen
Köhl, M.; Heck, M.; Brunold, S.; Frei, U.; Carlsson, B.; Möller, K.
Conference Paper
2003Solar collector design with respect to moisture problems
Holck, O.; Svendsen, S.; Brunold, S.; Frei, U.; Köhl, M.; Heck, M.; Oversloot, H.
Journal Article
2003Solar-absorber coatings based on cocumnox spinels prepared via the sol-gel process - structural and optical-properties
Vince, J.; Vuk, A.S.; Krasovec, U.O.; Orel, B.; Kohl, M.; Heck, M.
Journal Article
2000Materials in solar thermal collectors
Köhl, M.; Heck, M.; Möller, K.; Carlsson, B.; Brunold, S.; Frei, U.; Holck, O.
Conference Paper
2000Solar absorber coatings for unglazed facades
Frei, M.; Heck, M.; Frei, U.; Arntzen, M.; Morales, A.; Orel, B.; Kaluza, L.; Versluis, R.
Conference Paper
1998Measurements of micro-climatic data in solarthermal collectors
Tröscher, T.; Köhl, M.; Heck, M.
Conference Paper