Optical design - news

Nanotechnologiesare used to modify the surface or volume of a material in order to control light distribution by diraction. The inadequate implementation of diractionresults in an undesirable rainbow eect. OMS has made great strides with nanotechnologies and demonstrated the possible applications.

LIDC Optimizer OMS developed this proprietary software tool to help us nd the most suitable Light Intensity Distribution Curve (LIDC) for lighting applications.

A software application which allows us to optimise the Light Intensity Distribution Curve (LIDC) of a lumianire according to exact need. Currently designed to cover several specic areas of application, the software determines the perfect LIDC for any given space depending on the parameter values entered. Luminaire parameters include the luminaire type, number, dimensions and Light Output Ratio (LOR), as well as the light source type and its CCT, CRI and power consumption. Application parameters include the luminaire installation height, position and distance from the illuminated object and the required illuminance as well as various application specic parameters such as shelf height and aisle width.

We took the simple and linear SNAPPY luminaire, which consists of an aluminum prole and glass cover and applied nanostructures to its glass cover. We compared this sample nanostructure application to a standard prismatic diuser sample. In the case of the nanostructures sample, we cannot see the optical relief because the dimensions of the optical elements are in nanometers—a thousand times less than in a standard microprismatic diuser, with an actual thickness of one micron. This is actually out of range of the resolution of the human eye.With a smaller element, you can better control the light and achieve higher optical ecacy.System eciency is also improved because everything you need for the light source (LED strip, LED PCB) is within the nanostructure glass cover. The light distribution and desired direction is all happening within this thin optical nanostructure coating on the glass cover. With some restrictions, nanostructures can be used for almost every indoor lighting application e.g., spot lighting, accent lighting, downlight in oce, retail, etc. It’s a complex process known as “electron beam litography” which will eventually result in a very fast production process suitable for mass production. It could also be used in street lighting, where one glass cover with nanostructure application can replace all lenses used in a street light optical system.

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