Ultraviolet light emitting diode lamp for color perception research

Charitha Weerasuriya; William Woods; Soon Hock Ng; Tom Johnstone; Saulius Juodkazis

doi:10.1117/12.2541251

31 December 2019 Ultraviolet light emitting diode lamp for color perception research

Charitha Weerasuriya, William Woods, Soon Hock Ng, Tom Johnstone, Saulius Juodkazis

Proceedings Volume 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019; 112011M (2019) https://doi.org/10.1117/12.2541251
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

Color influences human decision making process, affects mood. It is important to investigate human color judgment of objects under different illumination. By controlling of a red (R), green (G), Blue (B) and Amber (A) colored lamp a MagnetoEncephaloGraphy (MEG) brain scanner was tested for its performance. We developed a software to generate all the colors in the visual spectrum, predefined white light combinations and saturation of an illuminated objects by using RGBA colors. The lamp was controlled from outside of the shielded MEG room while the LED lamp was located inside of electromagnetically shielded room. The USB was used as for LED-lamp control. To check the feasibility of using LED lamp with MEG brain scanner and showed feasibility to use the LED-lamp, color control software and MEG scanner together for human and color related research.

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Charitha Weerasuriya, William Woods, Soon Hock Ng, Tom Johnstone, and Saulius Juodkazis "Ultraviolet light emitting diode lamp for color perception research", Proc. SPIE 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019, 112011M (31 December 2019); https://doi.org/10.1117/12.2541251

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KEYWORDS

Magnetoencephalography

Lamps

Light emitting diodes

Brain

Light sources and illumination

Neuroimaging

Scanners

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