I.M. Bassett

Victoria University of Wellington

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Microstructured Polymer Optical Fibres: New Opportunities and Challenges

Molecular Crystals and Liquid Crystals (2006)

Maryanne C. J. Large Alexander Argyros Felicity Cox Martijn A. van Eijkelenborg S. Ponrathnam

ABSTRACT Microstructured polymer optical fibres [mPOF] were first developed in 2001, and have attracted attention in part because the range of fabrication techniques possible with polymers has allowed novel structures to be made that cannot be made simply in other materials. Their material properties also offer attractive possibilities as polymers can contain a much larger variety of dopants than glass. In this article, we review progress on some of the major challenges of this technology: particularly the need to reduce fibre losses, and report on some recent developments including the fabrication of the first hollow core mPOF. Some initial investigations into changing the material properties are reviewed.

10.1080/15421400500374930

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Citations (40)

Field trial of an electrically passive optical-fiber magnetometer

Applied Optics (1995)

P. Coghill I.M. Bassett R F Barrow Shipra Rohatgi Rod Vance

A field trial of an electrically passive optical-fiber magnetometer incorporated into the transient electromagnetic method of geomagnetic surveying is described. The transducer of the magnetometer consisted of metallic glass wire cocoated with a length of optical fiber. The magnetometer was capable of measuring the decay rate of the surface magnetic field produced by the surveying technique. The sensor's minimum detectable field was 2.5 × 10(-8) G/√Hz at 2 kHz.

10.1364/ao.34.007258

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Citations (2)

An electromagnetic theory of dielectric waveguides with multiple embedded cylinders

Journal of Lightwave Technology (1994)

K.M. Lo R. C. McPhedran I.M. Bassett Graeme W. Milton

We consider a dielectric waveguide or optical fiber having a real isotropic ambient refractive index. In addition, several isotropic and uniform embedded cylindrical regions of differing refractive index are considered. The radii, refractive indexes, and positions of the cylindrical subregions are arbitrary. We establish a rigorous method of determining the fields and propagation constants for the vector electromagnetic modes supported by this structure. We verify the accuracy of the method by comparing its results with those of other authors in particular cases, and exhibit direct demonstrations of convergence.< >

Waveguide

10.1109/50.285321

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Citations (43)

Collection of Light with the Aid of Reflectors

Optica Acta International Journal of Optics (1985)

G. H. Derrick I.M. Bassett

An algebraic alternative to ray tracing is described which enables the optical collection efficiency of a system of reflecting and absorbing bodies to be computed by matrix methods akin to those used in heat transfer theory. The method may be applied to non-ideal systems where reflectors have imperfect reflectivity and absorbers have imperfect absorptivity, and where reflections are not necessarily purely specular or purely lambertian. Numerical results for some physically realistic solar collectors are presented in graphical and tabular form. It is shown that a cylindrically symmetric system with angle dependent specular reflectivities and absorptances can be approximated accurately by a two dimensional system incorporating hemispherically averaged reflectivities and absorptances.

Molar absorptivity

Reflection

Transfer-matrix method (optics)

10.1080/713821811

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Citations (2)

Elimination of polarization degeneracy in round waveguides

Optics Express (2002)

I.M. Bassett Alexander Argyros

We show how to design a round optical fiber so that it is effectively single moded, with no polarization degeneracy. Such fibers would be free from the consequences of polarization degeneracy or near degeneracy - phenomena such as polarization fading in interferometry, and polarization mode dispersion - and so may offer an alternative to polarization maintaining fibers for the avoidance of these phenomena. The design presented builds on an earlier observation of polarization selective refection in Bragg fibers.

Degeneracy (biology)

Polarization rotator

10.1364/oe.10.001342

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Citations (51)

Limits to Concentration by Passive Means

Optica Acta International Journal of Optics (1985)

I.M. Bassett

Abstract Liouville's theorem and its optical counterparts are extended into the wave domain, whereby some upper bounds, representing absolute limits on the performance of passive systems, are obtained. The equality of Liouville's theorem is degraded in general to an inequality, although the limiting equality sign is sometimes realizable. The main emphasis is on optics, and the main methods those of quantum optics.

10.1080/713821675

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Citations (2)

Gear wheels in quantum mechanics

Physics Letters A (1970)

I.M. Bassett

10.1016/0375-9601(70)90626-2

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Citations (2)

2-Section PCF Hi-Bi Lyot Depolarisers

Optical Fiber Sensors (2006)

M. Matar Andrew Michie I.M. Bassett John Canning John Haywood

Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text M. Matar, A. Michie, I. Bassett, J. Canning, J. Haywood, and K. Digweed, "2-Section PCF Hi-Bi Lyot Depolarisers," in Optical Fiber Sensors, OSA Technical Digest (CD) (Optica Publishing Group, 2006), paper ThE60. Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article

Section (typography)

Special section

10.1364/ofs.2006.the60

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Citations (0)

A depolarized Er-doped superfluorescent fibre source with a 3-section Lyot fibre depolarizer

Measurement Science and Technology (2006)

M. Matar I.M. Bassett John Haywood Andrew Michie

A 3-section Lyot fibre depolarizer was used to substantially reduce the degree of polarization of an Er-doped superfluorescent fibre source. The residual degree of polarization of this improved Er-doped superfluorescent fibre source is found to be 0.05% (−33 dB).

Subwavelength-diameter optical fibre

Section (typography)

10.1088/0957-0233/17/5/s14

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Citations (2)

Passive 3 x 3 sagnac interferometer with reciprocity and correction for small departures from ideal coupler properties

Fourteenth International Conference on Optical Fiber Sensors (2000)

I.M. Bassett

An interrogation scheme for a passive 3 x 3 Sagnac interferometer is described which exhibits reciprocity and corrects to first order for small departures from ideal coupler splitting ratios.

Reciprocity

Interrogation

10.1117/12.2302241

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Citations (1)