<title>Abstract</title> A lab-in-a-fiber component was fabricated using an optical fiber and a capillary. It used in test suspension of fluorescently labeled unlabeled cells enabled detection the cells. Subsequently were selectively collected via suction into novel sampling technique reduced photobleaching cells, extending measurement time. The remained viable for downstream analysis. This platform’s low fabrication cost, simplicity, compatibility with standard laboratory equipment, capacity...

Abstract A lab-in-a-fiber component was fabricated using an optical fiber and a capillary. It used in test suspension of fluorescently labeled unlabeled cells enabled detection the cells. Subsequently were selectively collected via suction into novel sampling technique reduced photobleaching cells, extending measurement time. The remained viable for downstream analysis. This platform’s low fabrication cost, simplicity, compatibility with standard laboratory equipment, capacity fully...

<title>Abstract</title> A new class of optical fibers characterized by a high aspect ratio quadrilateral cross-section is introduced, termed high-aspect-ratio-flat-fiber (HARFF). HARFFs demonstrate superior performance in applications demanding an asymmetric, deterministic response, providing enhanced sensitivity, precision, and resilience. Using advanced laser-based processing combined with stack-and-draw fabrication, we engineered tailored mechanical properties, yielding ultra-sensitive...

Abstract As demand for customized specialty fibers grows, standardized production methods face challenges. This article reviews industry standards and discusses potentially disruptive techniques that enable rapid prototyping fabrication of optical fiber devices. Furthermore, we showcase laser powder deposition's (LPD) potential additive manufacturing (AM) glass structures. In the case of, example, preforms, although feasible size is smaller than standard, utilizing laser‐based a small batch...

Additive manufacturing of high-quality macroscopic fused silica glass structures, with deposition rates up to 1.2 mm 3 /s, is presented. Three co-axial nozzles were used avoid the so-called quill effect. Homogeneous, crack-free, multilayer, as well free-standing objects printed using cluster-free sub-µm powders delivered a CO 2 laser-induced melt pool. Structures an overhang 45° possible print. Laser post-processing was improve surface roughness and transparency. This system can be suitable...

The pursuit of advanced fiber laser technologies has driven research toward unconventional manufacturing techniques. In this work, we present an erbium-doped made using powder-based additive manufacturing. An Er 3+ /Al co-doped silica glass rod was printed powder deposition and then used as the core material in a preform. drawn from preform exhibited complete, desired functionality linked to doping. To demonstrate this, standing wave cavity formed with feedback attained cleaved ends...

An experimental, laboratory-scale optical fiber drawing tower based on CO laser heating has been developed and used to fabricate speciality fiber. The was utilized in a symmetric four beam system. localized responsive time of the laser-based furnace beneficial for manufacturing crystalline core fibers, specifically, silicon fibers. Moreover, specific absorption properties radiation silica have evaluated with aid finite element modeling. In comparison more traditional <mml:math...

We demonstrate a method for rapid prototyping of optical fibers. Silica-based glass rods were 3D printed using laser powder deposition. Different doping the is evaluated, including alumina, titania, and erbium-doped glass. The subsequently used as core material in preforms with fibers drawn laser-based draw tower. A transmission loss 3.2 dB/m was found fiber 1 wt% titania doped pure silica cladding. Using this fabrication method, from to could be achieved within few hours.

Fused silica glass is a commonly used high-performance material. However, due to the high temperature necessary for its production, manufacturing can also be challenging and costly. An attractive approach additive through laser cladding. Laser cladding of transparent fused was achieved using CO 2 -laser locally melt substrate while injecting stream fumed powder into melt-pool. By described technique, it possible manufacture fully sintered with deposition rate up 29 mm 3 /min. In this work we...

Fused silica glass is a commonly used high-performance material in scientific and industrial applications, due to the exceptional optical, mechanical thermal properties. However, its production can be challenging expensive high processing temperatures required, both manufacturing geometrical structuring. In this work we have studied additive of transparent fused using laser cladding process. Here CO₂-laser locally melt glass, while injecting stream powder into hot-zone. A...

In this work, we demonstrate a spot-welding method for fabrication of all-silica fiber components. A CO2 laser was used to locally sinter sub-micron silica powders, enabling rigid bonding optical glass substrates. The achieved without inducing any transmission losses. components showed no sign deterioration or structural change when heated up 1100 °C. These single material assemblies are therefore well suited use in harsh environments where high stability and robustness is required.

For short sections of fibers tailored to a specific application, fast laser-based manufacturing techniques can be an attractive alternative the often-cumbersome traditional routes. Short, high gain used in e.g., distributed feedback fiber lasers (DFFL) that offer sought after performance suitable for broad range applications modern photonics. DFFLs superior stability and narrower linewidth compared conventional lasers. Tunable, narrow laser sources with output eye-safe spectrum are desired...

We present an optical fiber-based selective cell picking module capable of up and transferring single cells or clusters. Our Lab-in-a-fiber (LIF) detects labelled cancer (MCF-7) picks them for further analysis.

Novel approaches for laser-based silica processing are demonstrated, that offer unique fabrication capabilities specialty fibers. High performance and new fiber geometries offered through multi-material additive manufacturing, cutting, polishing, welding preform drawing.

In this study, quenching dynamics in RE-doped silica glass were investigated through the measurement of excited-state lifetimes heavily doped micro-hemispheres fabricated directly on end face a multimode fiber (MMF).

For short sections of fiber tailored to a specific application, fast laser-based manufacturing techniques can be considered as an attractive alternative the often-cumbersome traditional routes. With use high-power lasers, localized hot zones that are necessary for glass making obtained rapidly. instance, laser-powder-deposition enables rapid fabrication short, high gain fibers used in, e.g., distributed feedback lasers (DFFLs). DFFLs offer sought after performance suitable broad range...

Silica fibers are highly desired due to their robustness and easy integration with existing infrastructure. Although fabrication of silica gain can be performed using well-established methods e.g., Modified Chemical Vapor Deposition (MCVD), each production cycle time-consuming expensive. Additive manufacturing (AM) on the other hand is an attractive way fabrication, where reduced waste short cycles widely recognized. Today, AM commonly used make functional components prototypes.

We utilized a powder-based, 3D printing technique for prototyping optical fibers. Co-doped silica rods were printed using sub-micron powders with various compositions. The sleeved and drawn into Ti/Al/Er-co-doped fibers are demonstrated.