Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Wolfgang Schippers"'
Publikováno v:
PhotonicsViews. 16:42-45
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::520dcad9657c3aabe5742711f3801e68
https://doi.org/10.1002/phvs.201900013
https://doi.org/10.1002/phvs.201900013
Publikováno v:
Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF).
A novel interrogation scheme for the readout of fiber Bragg grating arrays is proposed. It bases on the simultaneous application of time and wavelength domain readout methods.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cae25f08a6608b20082cd49d04fdff86
https://doi.org/10.1364/bgppm.2018.bw2a.3
https://doi.org/10.1364/bgppm.2018.bw2a.3
Autor:
Ulrike Willer, Wolfgang Schippers, Wolfgang Schade, Günter Flachenecker, S. Böttger, Michael Köhring
Publikováno v:
Applied Physics B. 116:53-60
Molecular rotational states of nitrogen and oxygen molecules at room temperature and atmospheric pressure are excited by femtosecond double- and multi-pulses with variable temporal pulse distances, and quartz-enhanced photoacoustic spectroscopy is us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79b5e9296a948178f1a35991be323101
https://doi.org/10.1007/s00340-013-5647-3
https://doi.org/10.1007/s00340-013-5647-3
Autor:
Ilya Sh. Averbukh, Yaron Silberberg, Wolfgang Schade, E. Gershnabel, Jörg Burgmeier, Ulrike Willer, Ori Katz, Wolfgang Schippers
Publikováno v:
Applied Physics B. 105:203-211
Molecular alignment of linear molecules (O2, N2, CO2 and CO) is measured photoacoustically in the gas phase. The rotational excitation is accomplished using a simple femtosecond stimulated Raman excitation scheme, employing two femtosecond pulses wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9261673720f4634dbe79533886a326e
https://doi.org/10.1007/s00340-011-4725-7
https://doi.org/10.1007/s00340-011-4725-7
A fiber Bragg grating sensor system used for monitoring the effects of strain on the power cable of an offshore wind turbine is presented. The Bragg grating structure was inscribed into coated nonphotosensitive standard telecommunication fibers using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd54d2377422986a17b2303cdba76420
https://publica.fraunhofer.de/handle/publica/225679
https://publica.fraunhofer.de/handle/publica/225679
Publikováno v:
Conference on Lasers and Electro-Optics/International Quantum Electronics Conference.
Monitoring of stress in power cables is of great interest to determine the cable lifetime, especially under rough environmental conditions like in offshore wind energy plants. Standard single mode fibers are generally included in power cables for dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03eab53c9e498268df6d700ea5c9837e
https://doi.org/10.1364/cleo.2009.jwa67
https://doi.org/10.1364/cleo.2009.jwa67
Publikováno v:
Laser Applications to Chemical, Security and Environmental Analysis.
A compact fiber coupled laser induced breakdown spectroscopy (LIBS) sensor is presented. The detection of hazardous materials, e.g. explosives and land mines are promising applications of such a system.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2961a988f1d30a3bf149983be13e3ae3
https://doi.org/10.1364/lacsea.2008.lthc3
https://doi.org/10.1364/lacsea.2008.lthc3
Publikováno v:
2007 Conference on Lasers and Electro-Optics (CLEO).
An Yb fiber amplifier is seeded by a Cr4+Nd3+:YAG microchip laser. Due to improvement of the slope efficiency and suppression of ASE a pulsed diode laser is used as pump source of the active fiber.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1cafc7979c218750da2b3910dd4dfe6
https://doi.org/10.1109/cleo.2007.4452584
https://doi.org/10.1109/cleo.2007.4452584
Autor:
Martin Koch, Martin Mikulics, Ulrike Willer, Dirk Nodop, Henning Niemann, Rafal Wilk, Markus Walther, Bernd Güttler, Wolfgang Schippers, Wolfgang Schade, Tobias Schossig, S. Böttger
A two-color Nd:LSB microchip-laser that simultaneously emits at 1061.3 nm and 1063.9 nm is used for photomixing. Since LT-GaAs which is typically utilized for photomixing cannot be excited efficiently with wavelengths exceeding 1 mu m, LT-GaAsSb with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10a2cc95850a1f9bdb3733db91b678c6
https://publica.fraunhofer.de/handle/publica/213117
https://publica.fraunhofer.de/handle/publica/213117
Autor:
Wolfgang Schade, Dirk Nodop, Rafal Wilk, Martin Mikulics, Martin Koch, Bernd Güttler, Ulrike Willer, Wolfgang Schippers, Henning Niemann, Martin Walther
Publikováno v:
2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics.
We present a new cost-effective two-colour Nd: LaSc3(BO3)4 microchip laser for photomixing in a low temperature grown (LT) GaAsSb antennas. The generated 700 GHz radiation is detected with a bolometer.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f71b446bb80101d99215045887c9615
https://doi.org/10.1109/icimw.2006.368635
https://doi.org/10.1109/icimw.2006.368635