Ian R. Ibbitson - Articles

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Ian R. Ibbitson, Vice President and General Manager of ALLSCAPE has over twenty years experience in the lighting, entertainment and electronics industries. Dr. Ibbitson joined ALLSCAPE a Philips group brand in 1995 and is currently in charge of several commercial outdoor lighting divisions, including Quality Lighting, and Metrolux. Dr. Ibbitson has a BSc. in electrical/electronic engineering and a PhD in computer aided design from the University of Sunderland in England.

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Selecting Light Fixtures for Dark Sky Usage Using 3dop Pro
The following example illustrates some of the issues presented to lighting specifiers when selecting fixtures suitable for dark-sky usage and also demonstrates some of 3dOP’s features. Read
By: Ian R. Ibbitson | 16/06/2008 | Ask an Expert
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Landscape Lighting Using Parabolic Optics
In any landscape lighting application, a majority of the objects in the environment are illuminated using a parabolic optic. Whether it’s a tree, bush, column, sign, statue, or even flagpole, a parabolic optical system is used most of the time. Understanding the basic principles of how a parabolic optic works is the key to creating a professional design for most applications. Read
By: Ian R. Ibbitson | 16/06/2008 | Ask an Expert
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51

Allscape’s Approach to In-ground Lighting
There are many names used for light fixtures that are installed in the ground: in-ground, well-light, up-light, and in-grade are a few of the more common ones. Many people incorrectly use the names interchangeably. In-ground and well-light represent two different fixture design approaches, and up-light and in-grade either only relay limited information, or can be misleading terms. For example, up-light could refer to a light fixture used on a wall. Read
By: Ian R. Ibbitson | 16/06/2008 | Ask an Expert