Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Kort Bremer"'
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 5, Pp 1-7 (2021)
We report on a novel bend sensor with high flexibility and elasticity based on Bragg grating structures in polymer optical fibers to detect bending for the measurement of movement. The concept is very simple and relies on the inscription of eccentric
Externí odkaz:
https://doaj.org/article/84c6f4bed8784025937b2ab58d09fd75
Publikováno v:
Sensors, Vol 21, Iss 15, p 4948 (2021)
The last decade has seen rapid developments in the areas of carbon fiber technology, additive manufacturing technology, sensor engineering, i.e., wearables, and new structural reinforcement techniques. These developments, although from different area
Externí odkaz:
https://doaj.org/article/a3fed4a89cad470f9739f084f3d5a72b
Publikováno v:
Applied Sciences, Vol 11, Iss 4, p 1589 (2021)
Optics and photonics are among the key technologies of the 21st century and offer the potential for novel applications in areas as diverse as sensing and spectroscopy, analytics, monitoring, biomedical imaging and diagnostics, as well as optical comm
Externí odkaz:
https://doaj.org/article/8357e9057c9245c68da2aca32340076c
Publikováno v:
Sensors, Vol 20, Iss 23, p 6771 (2020)
An all-optical plasmonic sensor platform designed for smartphones based on planar-optical waveguide structures integrated in a polymer chip is reported for the first time. To demonstrate the applicability of the sensor system for biosensing purposes,
Externí odkaz:
https://doaj.org/article/37e63ff9658f4b5bb4f0552831946a12
Autor:
Johanna-Gabriela Walter, Alina Eilers, Lourdes Shanika Malindi Alwis, Bernhard Wilhelm Roth, Kort Bremer
Publikováno v:
Sensors, Vol 20, Iss 10, p 2889 (2020)
We present a surface plasmon resonance (SPR) biosensor that is based on a planar-optical multi-mode (MM) polymer waveguide structure applied for the detection of biomolecules in the lower nano-molar (nM) range. The basic sensor shows a sensitivity of
Externí odkaz:
https://doaj.org/article/6a784944700a477caab9b9294b4cff14
Publikováno v:
Applied Sciences, Vol 10, Iss 1, p 337 (2020)
An investigation on the feasibility of utilizing Mode Division Multiplexing (MDM) for simultaneous measurement of Surrounding Refractive Index (SRI) and temperature using a single sensor element based on an etched OM4 Graded Index Multi Mode Fiber (G
Externí odkaz:
https://doaj.org/article/8357522c35f04413b2fa210b4e16fe64
Autor:
Kort Bremer, Lourdes S. M. Alwis, Yulong Zheng, Frank Weigand, Michael Kuhne, Reinhard Helbig, Bernhard Roth
Publikováno v:
Applied Sciences, Vol 9, Iss 12, p 2476 (2019)
The paper presents an investigation into the durability of functionalized carbon structures (FCS) in a highly alkaline concrete environment. First, the suitability of optical fibers with different coatings—i.e., acrylate, polyimide, or carbon—for
Externí odkaz:
https://doaj.org/article/1b8192a687b046f58ba38caf7abf73ad
Publikováno v:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 6, Iss 3 (2016)
Optical fiber sensors have reached a high state of maturity. Besides the high number of sensor groups, multi-mode fiber evanescent field sensors can be found in a lot of applications. Here, the signal source commonly excites many optical modes under
Externí odkaz:
https://doaj.org/article/a06d7dcc8ed24d53816cc04e56aa5eb9
Autor:
Kort Bremer, Lourdes S. M. Alwis, Frank Weigand, Michael Kuhne, Yulong Zheng, Marco Krüger, Reinhard Helbig, Bernhard Roth
Publikováno v:
Sensors, Vol 18, Iss 11, p 3923 (2018)
An Optical Frequency Domain Reflectometry (OFDR) based fiber optic sensor scheme “embedded„ in concrete for the purpose of structural health monitoring (SHM) of carbon concrete composites (C3) is presented. The design, while strengthening the con
Externí odkaz:
https://doaj.org/article/c69fb5f50a5e4157ab81e6fc4f0129d8
Autor:
Sebastian Schlangen, Kort Bremer, Yulong Zheng, Sebastian Böhm, Michael Steinke, Felix Wellmann, Jörg Neumann, Bernhard Roth, Ludger Overmeyer
Publikováno v:
Sensors, Vol 18, Iss 5, p 1363 (2018)
Long-period fiber gratings (LPGs) are well known for their sensitivity to external influences, which make them interesting for a large number of sensing applications. For these applications, fibers with a high numerical aperture (i.e., fibers with hi
Externí odkaz:
https://doaj.org/article/a1f379f1927f4f7a9eee46143268160d