Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Laser Fabrication"”.
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High temperature tolerant optical fiber inline microsensors by laser fabrication
… environment applications through assembly-free, laser fabrication. Working towards this objective, the dissertation explored three types of fiber inline microsensors fabricated by two types of laser systems. Using a COâ‚‚ laser, long period fiber grating (LPFG) and core-cladding mode …
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Femtosecond laser fabrication of directional couplers and Mach-Zehnder interferometers
The use of femtosecond lasers for photonic device fabrication in glass has become an active area of research in recent years. Since the first demonstration of laser modification of refractive index in glass, a variety of devices such as couplers, interferometers, gratings, 3D structures, active …
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Ultrafast laser fabrication of a K-band integrated optic 2-telescope beam combiner for astronomical interferometry
… explores the vast potential of the ultrafast laser inscription (ULI) fabrication technique for astrophotonics applications. A fibre-connectorised K-band 2-telescope integrated optics (IO) beam combiner is designed and fabricated in commercial Infrasil® glass (IG) to update the existing JouFLU …
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Fiber inline pressure and acoustic sensor fabricated with femtosecond laser
… environment applications through femtosecond laser fabrication. Working towards this objective, the dissertation explored two types of fiber inline microsensors fabricated by femtosecond laser: an extrinsic Fabry-Perot interferometric (EFPI) sensor with silica diaphragm for pressure/acoustic …
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Design and characterization of semiconductor laser structures for hydrogen sensing applications
… several platforms in which semiconductor lasers can be functionalized to detect hydrogen concentrations below the lower explosive limit have been developed. The laser structures were chosen such that there already exist well-established fabrication technologies, and the functionalization …
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Heterogeneously bonded vertical cavity surface emitting lasers and thermal modeling
… and the substrate. In this dissertation, a post-fabrication bonding technique for integrating semiconductor vertical cavity surface emitting lasers (VCSELs) onto hybrid substrates is demonstrated. This approach provides flexibility regarding the choice of device fabrication and hybrid substrate …