Strain Sensing Using Colloidal Quantum Dots Integrated With Epoxy

Sherburne, Michael; Roberts, Candice R.; Brewer, John S.; Weber, Thomas; Laurvick, Tod V.; Chandrahalim, Hengky

doi:10.1109/sensors47125.2020.9278933

Cited by 1 publication

(2 citation statements)

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“…Conventional cleaving of a PCF using a scoring blade is not the most reliable technique and does not result in the best surface finish (some defects are left behind) [24]. This paper shows a new process that guarantees a well-cut fiber tip every time (smooth surface finish and all holes open) and relatively easy to scale.…”

Section: Novel Photonic Crystal Cleaving Processmentioning

confidence: 99%

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Rapid Prototyping for Nanoparticle-Based Photonic Crystal Fiber Sensors

Sherburne,

Harjes,

Klitsner

et al. 2024

Sensors

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The advent of nanotechnology has motivated a revolution in the development of miniaturized sensors. Such sensors can be used for radiation detection, temperature sensing, radio-frequency sensing, strain sensing, and more. At the nanoscale, integrating the materials of interest into sensing platforms can be a common issue. One promising platform is photonic crystal fibers, which can draw in optically sensitive nanoparticles or have its optical properties changed by specialized nanomaterials. However, testing these sensors at scale is limited by the the need for specialized equipment to integrate these photonic crystal fibers into optical fiber systems. Having a method to enable rapid prototyping of new nanoparticle-based sensors in photonic crystal fibers would open up the field to a wider range of laboratories that could not have initially studied these materials in such a way before. This manuscript discusses the improved processes for cleaving, drawing, and rapidly integrating nanoparticle-based photonic crystal fibers into optical system setups. The method proposed in this manuscript achieved the following innovations: cleaving at a quality needed for nanoparticle integration could be done more reliably (≈100% acceptable cleaving yield versus ≈50% conventionally), nanoparticles could be drawn at scale through photonic crystal fibers in a safe manner (a method to draw multiple photonic crystal fibers at scale versus one fiber at a time), and the new photonic crystal fiber mount was able to be finely adjusted when increasing the optical coupling before inserting it into an optical system (before, expensive fusion splicing was the only other method).

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Section: Novel Photonic Crystal Cleaving Processmentioning

confidence: 99%

“…SEM image of a PCF face after conventional cleaving with small defects affected some of the holes of the fiber. Small defects as pictured here can be difficult to see under a standard light microscope during faster quality assurance [24].…”

Section: Novel Photonic Crystal Cleaving Processmentioning

confidence: 99%