New approach for high reliability, low loss splicing between silica and ZBLAN fibers

Carbonnier, Robin; Zheng, Wenxin

doi:10.1117/12.2286353

Cited by 3 publications

(3 citation statements)

References 6 publications

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“…This includes the development of efficient connections not only between ZBLAN and silica fibers but also between doped and passive ZBLAN fibers. For that reason, various techniques and methods were proposed to accomplish the splicing between the various soft glass materials such as fluoride glasses and silica fibers such as electrodes splicer [10], [11], CO2 lasers [12], filament thermal splicing [13], [14], mechanical splicing [15] and using UV-glues [16]. Among them thermal splicing using filament splicer it seems the most promising method in terms of reproducibility and controllability.…”

Section: Introductionmentioning

confidence: 99%

An investigation on thermal splicing of ZBLAN optical fiber

Theodosiou,

Baravets,

Peterka

2024

Specialty Optical Fibres VIII

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Unlike traditional silica-based fibers, ZBLAN fibers possess exceptionally low phonon energy, making them ideal for transmitting signals in the mid-infrared (mid-IR) range. This characteristic is particularly significant because the mid-IR range harbors a wealth of information about molecular structures, enabling applications in environmental monitoring, medical diagnostics, and chemical sensing. However, to fully unlock the midIR capabilities of those fibers, we need to demonstrate repeatable procedures for handling these fibers, such as efficient connections between silica and ZBLAN fibers and between ZBLAN and ZBLAN fibers doped and passive ones.Working with soft-glass fibers such as ZBLAN fibers, it is required to have precise control of the thermal splicing conditions. This paper extensively investigates the splicing thermal conditions using the Vytran GPX-3400 system to achieve controllable and low-loss thermal splicing between ZBLAN to ZBLAN and ZBLAN to silica fibers. The temperature information in the filament was monitored using a silica FBG sensor by adjusting the Power, the splicing duration, and airflow of the Argon gas, and the calibration curves were extracted.

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Section: Introductionmentioning

confidence: 99%

An investigation on thermal splicing of ZBLAN optical fiber

Theodosiou,

Baravets,

Peterka

2024

Specialty Optical Fibres VIII

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“…It has broad application prospects in infrared imaging, mid‐infrared laser, and other fields 1–4 . However, owing to the relatively high thermal expansion coefficient, the fluoride glass usually has poor thermal shock resistance, which makes it susceptible to temperature changes 5,6 . Glass ceramics (GCs), which are composite materials formed by the introduction of a second crystalline phase, are a feasible solution to improving the performance of parent glass 7,8 .…”

Section: Introductionmentioning

confidence: 99%

“…Poor thermal shock resistance impairs output for a long time 5 . Another example is the application as infrared window material in aircraft, where high temperatures caused by aerodynamic heating in hypersonic flight lead to structural failure and poor optical performance 6 . Therefore, improving the high thermal expansion (20 × 10 −6 /K) 15 of ZBLAN glass will facilitate many practical applications in severe service environments.…”

Section: Introductionmentioning

confidence: 99%

Low thermal expansion ZBLAN‐based glass ceramics containing CaZrF₆ crystals

et al. 2022

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Fluoride glass is considered as an excellent optical material owing to its ultralow phonon energy (578 cm −1 ). However, its high thermal expansion coefficient (15.87 × 10 −6 /K) and deformability severely limit applications under service environments with high temperature, high humidity, and high-power irradiation. To overcome these limitations, we developed a ZBLAN-based fluoride glass ceramics (CZBLAN GCs) contained the negative thermal expansion material-CaZrF 6 crystals by phase-separation engineering. The ability to control the precipitation of the desired crystal phase was achieved by adequate compositional design for phase separation, yielding improved or new properties in the development of fluoride GCs. With the successful precipitation of very uniformly dispersed single CaZrF 6 crystals in the glass phase (up to ∼40% crystallinity), a significantly lower thermal expansion coefficient (3.66 × 10 −6 /K) in the fluoride system was achieved. Moreover, enhanced fluorescence properties of Eu-doped CZBLAN GCs were observed compared with those of Eu-doped ZBLAN glass owing to the lower phonon energy in GCs.

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Fiber-based sources of coherent MIR radiation: key advances and future prospects (invited)

2020

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The mid-infrared (MIR) represents a large portion of the electromagnetic spectrum that is progressively being exploited for an enormous number of applications. Thermal imaging cameras, dental and skin resurfacing lasers, and narcotics detectors at airports are all mainstream examples involving the MIR, but potential applications of MIR technologies are much larger. Accessing the unique opportunities afforded by the MIR is critically dependent on the specific characteristics of MIR emitting sources that become available. In this review, we survey an important enabling technology to the opening up of MIR science and applications, namely that driven by fiber-based sources of coherent MIR radiation . In this review paper, we describe many of the key advances in the innovation and development of such sources over the past few decades and discuss many of the underlying science and technology issues that have resulted in specific recent source achievements, especially in light of new applications enabled by these new source capabilities. We also discuss a few specific anticipated future needs and some potentially disruptive approaches to future MIR fiber source development.

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New approach for high reliability, low loss splicing between silica and ZBLAN fibers

Cited by 3 publications

References 6 publications

An investigation on thermal splicing of ZBLAN optical fiber

An investigation on thermal splicing of ZBLAN optical fiber

Low thermal expansion ZBLAN‐based glass ceramics containing CaZrF₆ crystals

Fiber-based sources of coherent MIR radiation: key advances and future prospects (invited)

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New approach for high reliability, low loss splicing between silica and ZBLAN fibers

Cited by 3 publications

References 6 publications

An investigation on thermal splicing of ZBLAN optical fiber

An investigation on thermal splicing of ZBLAN optical fiber

Low thermal expansion ZBLAN‐based glass ceramics containing CaZrF6 crystals

Fiber-based sources of coherent MIR radiation: key advances and future prospects (invited)

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Low thermal expansion ZBLAN‐based glass ceramics containing CaZrF₆ crystals