In the last decade, the scientific community has managed to demonstrate an analogue of EIT in artificially engineered materials known as the metamaterials (MMs) 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19. EIT phenomenon has been studied using different atomic medium for the generation of self-enhanced nonlinearity 5, ultraslow group velocity and storage of light 6. EIT occurs as a result of destructive interference between two transition pathways of an atomic medium and gives rise to a significant change in the dispersive properties of the medium within the narrow transparency region. EIT, which is a quantum phenomenon, leads to elimination of absorption for a narrow region within a wider absorption spectrum 1, 2, 3, 4. The phenomenon of electromagnetically induced transparency (EIT) has garnered a lot of attraction in the scientific community over the last few decades.
The study can be highly significant in the development of multi-band slow light devices, buffers and modulators. A coupled harmonic oscillator based theoretical model is employed to elucidate as well as understand the experimental and numerical observations.
Separation studio transparency windows#
We further examine steep dispersive behavior of the transmission spectra within the transparency windows and analyze slow light properties. The independent modulation is achieved by displacing one DCR with respect to the CW, while keeping the other asymmetric DCR fixed. The configuration allows us to independently tune the transparency windows which is challenging task in multiband EIT effect. The MM structure exhibits multi-band EIT effect due to the strong near field coupling between the bright mode of the cut-wire (CW) and dark modes of pair of asymmetric double C resonators (DCRs). Now the studio hopes to apply similar technology to create a business suit for men that monitors their vitals to discern whether they are lying.Īlthough essentially a high-fashion concept that professionals are not likely to ever willingly wear, the idea does recognize the recent call by consumers for business transparency and corporate social responsibility.In this article, we experimentally and numerically investigate a planar terahertz metamaterial (MM) geometry capable of exhibiting independently tunable multi-band electromagnetically induced transparency effect (EIT). The dresses were connected to sensors that could detect the heart rate – when their bpm hit a certain point, the LEDs were turned off and the material became transparent. The clothes used ‘smart e-foils’ that are naturally transparent but turn cloudy when light from LEDs are refracted through them. The group has already released its range of womenswear that turns transparent based on electronic signals it receives. Netherlands-based design group Studio Roosegaarde is set to expand its Intimacy 2.0 range of smart clothing to include a men’s business suit which turns transparent when the wearer is being untruthful.
Hot on the heels of our recent coverage of the MJ v1.0, a jacket that enables wearers to make music solely by gesturing, we’ve come across another example of wearable tech.
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