Dr. Dave Irvine-Halliday Profile

Dr. Dave Irvine-Halliday

Founder at Univ of Calgary

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Publications (7)

Proceedings Article | 2 September 2008 Paper

Why the developing world is the perfect market place for solid state lighting

Christoph Schultz, Inna Platonova, Ganesh Doluweera, Dave Irvine-Halliday

Proceedings Volume 7058, 705802 (2008) https://doi.org/10.1117/12.800718

KEYWORDS: Solid state lighting, Light sources and illumination, Lamps, Light emitting diodes, Safety, Solar cells, Renewable energy, Carbon dioxide, Solar energy, Medicine

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Proceedings Article | 14 September 2005 Paper

Solid state lighting for the developing world: the only solution

Rudolfo Peon, Ganesh Doluweera, Inna Platonova, Dave Irvine-Halliday, Gregor Irvine-Halliday

Proceedings Volume 5941, 59410N (2005) https://doi.org/10.1117/12.639718

KEYWORDS: Solid state lighting, Light sources and illumination, Light emitting diodes, Lamps, Diffusion, Carbon monoxide, Solar cells, Commercial lighting, Renewable energy, Manufacturing

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Proceedings Article | 5 December 2001 Paper

White LEDs for lighting remote communities in developing countries

Stewart Craine, Dave Irvine-Halliday

Proceedings Volume 4445, (2001) https://doi.org/10.1117/12.450044

KEYWORDS: Lamps, Light sources and illumination, Light emitting diodes, Solar energy, Wind energy, Diodes, Manufacturing, Water, Capacitors, Renewable energy

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Over the past 5 years, the application of white LEDs for ambient lighting has been investigated in the remote villages of Nepal. Currently, lighting is often met using kerosene wick lamps, which emit unhealthy levels of fumes, or by burning sap-filled pine sticks, which are worse than the kerosene lamps. A team of students from Calgary University developed some LED lamps that could easily be fabricated in Nepal using local materials and personnel. To generate power, a pedal DC generator was developed to charge batteries, as well as a simple wind turbine. The Nepal Light Project implemented a series of many projects over the last 2 years in several villages across Nepal, using several different power generating systems. A total of 142 households, two schools and a temple were fitted with lamps in 2000, and more will follow in 2001. A research project has also been undertaken in Nepal for the Danish International Development Agency (DANIDA) to investigate the potential for energy efficient lamps in the micro hydro industry. The R&D project was very small, and conducted basic testing on locally available compact fluorescent lamps and LED lamps. The report concluded that encouraging the use of CFLs would decrease costs by 30-50%, and that they should be included in the subsidy policy, along with power factor correcting capacitors. LED lamps should not be overly encouraged as the development of the diodes was advancing very rapidly. The real advantage of LED lamps lies in extremely low maintenance costs due to the low power requirements and long life, which is just as important for remote villages as it is for traffic lights and exit signs. It is estimated that these low ongoing costs could be as low as $3/household/year for a rural lighting project. Pilot projects should be encouraged to demonstrate and investigate the potential of WLEDs for lighting in remote communities in developing countries. With 2 billion people without access to electricity, and lighting being the first end use people generally require, the potential for white LEDs is nothing short of staggering, but they will face challenges similar to CFL technology due to the high initial cost of the lamps.

SPIE Journal Paper | 1 October 2001

New technique for reducing the angle random walk at the output of fiber optic gyroscopes during alignment processes of inertial navigation systems

Aboelmagd Noureldin, Dave Irvine-Halliday, Herb Tabler, Martin Mintchev

OE, Vol. 40, Issue 10, (October 2001) https://doi.org/10.1117/12.10.1117/1.1404117

KEYWORDS: Fiber optic gyroscopes, Digital filtering, Optical filters, Interference (communication), Signal processing, Electronic filtering, Gyroscopes, Optical engineering, Inertial navigation systems, Filtering (signal processing)

SPIE Journal Paper | 1 May 2000

Beat-length measurement of high-birefringence polarization-maintaining optical fiber using the dc Faraday magneto-optic effect

Dave Irvine-Halliday, Muhammad Khan, Peng Zhang

OE, Vol. 39, Issue 05, (May 2000) https://doi.org/10.1117/12.10.1117/1.602497

KEYWORDS: Magnetism, Phase modulation, Magneto-optics, Optical fibers, Polarization, Birefringence, Nondestructive evaluation, Beam splitters, Head, Free space optics

Proceedings Article | 11 April 2000 Paper

In-vitro measurements of light transmission parallel and perpendicular to the collagen orientation in tendons

Binod KC, Kevin Forrester, Dave Irvine-Halliday, Ken Muldrew, Cyril Frank, Nigel Shrive, Robert Thompson

Proceedings Volume 3913, (2000) https://doi.org/10.1117/12.382027

KEYWORDS: Tissues, Collagen, Tissue optics, Waveguides, Light scattering, Absorption, Scattering, Water, Optical testing, Optical properties

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Proceedings Article | 9 February 1993 Paper

STARMAP: protocol for high-speed fiber optic networks

Dave Irvine-Halliday, Abraham Fapojuwo, S. Pye

Proceedings Volume 1784, (1993) https://doi.org/10.1117/12.141094

KEYWORDS: Local area networks, Silicon, Computer simulations, Liquid crystal lasers, Stars, Diagnostics, Switching, Fiber optic networks, Fiber optics, Computer security

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Showing 5 of 7 publications

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