Multimode fiber coupler

Ogawa, Kohji; McCormick, A. R.

doi:10.1364/ao.17.002077

Cited by 14 publications

(9 citation statements)

References 1 publication

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“…In cross type coupler, the radiation loss is increased by increasing the pressure since the coupling length is quite short in order to gain optimum result. In [14] shows that as the coupling length is longer, the coupling efficiency will be stabilized. However, high coupling efficiency is achieved at coupling length between 6 to 10 mm and from 18 to 22 mm.…”

Section: Coupling Lengthmentioning

confidence: 97%

“…This technique has been used by [13] where the cladding of the fiber is thinned using hydrofluoric acid where cladding layer of four micron thick is removed. A technique for removing the cladding of polymethylmethacrylate (PMMA) polymer optical fiber using chemical solvent is used to create etched tapers of a certain length in the middle part of the fiber [14]. PMMA POF is a thermoplastic with softening temperature of 75-80°C.…”

Section: Etching Techniquementioning

confidence: 99%

“…In [14] stated that cross type coupler is not able to achieve high coupling efficiency due to its short coupling length. Coupling length must be long in order to achieve high coupling efficiency such as parallel type coupler.…”

Section: Coupling Lengthmentioning

confidence: 99%

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Fabrication of Polymer Optical Fiber Splitter Using Lapping Technique

Supian¹,

Ab-Rahman²,

Arsad³

et al. 2018

Selected Topics on Optical Fiber Technologies and Applications

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This work involves in designing and developing a POF-based directional coupler/splitter using lapping technique and geometrical blocks. Two fiber strands were first tapered at the middle and they were attached to the geometrical blocks and lapped together. Design parameters that are used to develop this coupler/splitter are core diameter, D c , etching length, L e , bending radius, R c , coupling length, L c and pressure, F c . All the parameters were taken into account during characterization and analysis of the designed coupler in order to find the most optimum prototype coupler/splitter. Characterizations are done by experimental set-up to test the efficiency, splitting ratio, coupling ratio, excess loss and insertion loss for all the couplers/splitters. Through the characterization process and analysis, the optimized coupler with high splitting ratio and low excess loss were identified. Throughout the experimental process, some of the fibers were improved and renewed in order to realize the design and development of the coupler using this technique. The device can also be utilized as an optical tap and the applications of the device are not only limited in in-house network but also in automotive applications. By using a platform, several splitting ratio can be obtained by integrating different core-cladding thickness and bending radius in order to get the desired splitting ratio and excess loss.

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Section: Coupling Lengthmentioning

confidence: 97%

Section: Etching Techniquementioning

confidence: 99%

See 1 more Smart Citation

Fabrication of Polymer Optical Fiber Splitter Using Lapping Technique

Supian¹,

Ab-Rahman²,

Arsad³

et al. 2018

Selected Topics on Optical Fiber Technologies and Applications

View full text Add to dashboard Cite

show abstract

“…Some known works such as Ix2 couplers have been developed decades ago using heating and pulling method or known as fused coupler [2]. An alternative method of fabricating a multimode fiber coupler has been demonstrated by Ogawa [3] and…”

Section: Introductionmentioning

confidence: 99%

“…McCormick [3] where two unclad fibers are placed in a 30 mm x 30 mm acrylic base side by side. Important concept in this fabrication is that the unclad region of the fiber increases the influence of The angle 81 of Plate A as shown in Table I Table II shows the output powers and the calculated excess insertion loss for couplers with etching duration of 10-minute and 60-minute respectively.…”

Section: Introductionmentioning

confidence: 99%

Polymer optical fiber coupler fabrication using chemical etching and lapping technique

Supian

Ab-Rahman

2013

2013 IEEE 4th International Conference on Photonics (ICP)

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Development of a polymer optical coupler using lapping technique integrated with contact mechanics and couple mode theory is proven where the initial procedure of fabrication is explained. Procedure of the fabrication includes etching process where a harmless chemical solvent, acetone, is used in order to remove the cladding layers gradually in accordance to the etching rate. The exposed region of the core is then aligned with another similar strand of fiber. The bending radii or bending angle is determined using particular size of circular blocks. Several experiments using different etched rate fibers attached to circular blocks having the same radii is demonstrated to investigate the output power and insertion losses of the developed coupler. Although in this initial study, the measurement parameters values shows unattractive results, however, the fabrication of couplers using this lapping technique is proven.

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Spezielle Systeme

Kersten¹

1983

Einführung in Die Optische Nachrichtentechnik

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Multimode fiber coupler

Cited by 14 publications

References 1 publication

Fabrication of Polymer Optical Fiber Splitter Using Lapping Technique

Fabrication of Polymer Optical Fiber Splitter Using Lapping Technique

Polymer optical fiber coupler fabrication using chemical etching and lapping technique

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