Abstract A universal design and fabrication scheme is proposed for a cascaded aluminum wire‐grid‐based vis–NIR circular polarizer. The wire‐grid designed as broadband circular‐linear polarization converter linear polarizer, which further to form polarizer with strong transmittance difference (CPTD) extinction ratio (CPER) in vis–NIR. By increasing the distance between redshift of CPTD CPER peaks realized used novel work better operating wavelength. Anisotropic thin‐film interference revealed...

Polarization image could reveal detailed information that is submerged in conventional intensity images. In order to obtain the polarization of target immediately, an integrated sensor with real-time processing capability was constructed. The composed polarization-dependent module and unit. For modulate intensity, a kind fabrication process based on ultraviolet nanoimprint lithography (UV-NIL) proposed integrate micro-polarizer arrays packaged CMOS sensor. FPGA used as unit demodulate,...

Chiral metamaterials are extensively applied in the fields of photoelectric detection, biomedical diagnostics and micro-nano polarization imaging. Currently, single-layer chiral unfortunately limited by several issues, such as a weaker circular extinction ratio transmittance difference. To tackle these transmissive plasma metasurface (SCPMs) suitable for visible wavelength is proposed this paper. Its basic unit composed double orthogonal rectangular slots spatial π/4 inclined arrangement...

We fabricated a 4-in large-area flexible infrared nanowire grid polarizer using nanoimprint and metal thermal evaporation process. To protect the Si master template, as well to prolong service life of it, we first nickel template an alternative by electroforming Then, structure was transferred from this IPS substrate Finally, Al deposited on vertical technology. The results optical test reveal that TM transmittance is greater than 60% in 4-5.71 μm 5.73-6.7 wavelength ranges, and, especially,...

Abstract Polarization detection technology is developing toward miniaturization and high integration from the early time‐division type, amplitude‐division aperture‐division etc., to a more integrated focal plane‐integrated array type. Focal plane detectors that rely on metal nanogrids are not able guarantee both temporal spatial resolution for lossless polarized light with guaranteed level of integration. Inspired by Agabus japonicus , black phosphorus (BP)‐based absorbing bionic stacked...

Images of underwater environments suffer from contrast degradation, reduced clarity, and information attenuation. The traditional method is the global estimate polarization. However, targets in water often have complex polarization properties. For low regions, since similar to background, it difficult distinguish between target non-targeted regions when using methods. Therefore, this paper proposes a joint evaluation partition fusion method. First, we use histogram stretching methods for...

We propose a novel flexible contact ultraviolet (UV)-curable nano-imprint lithography process which can directly transfer metallic nanostructures by UV curing bonding force. The template evaporated with metal acts as mask, allowing only the structural region to penetrate light and surface nanostructures. By this process, aluminum grating of different feature sizes had been transferred abtain single-layer or even multi-layer minimum width spacing wire were 50 nm sub-20 nm, respectively....

The angle of the polarization (AOP) and degree (DOP) scattered skylight are symmetrically distributed concerning solar meridian. Based on symmetry distribution pattern, this paper proposes a novel orientation sensor consisting camera, an S-waveplate, linear polarizer. is using image encoding capability S-waveplate polarizer to convert information into image's axis extraction, which has advantages simple structure, better real-time performance, no resolution loss instantaneous field view...

The BioSync interface presented in this paper merges the paradigms of heart-rate and brain-wave into one mobile unit which is scalable for large audience real-time applications. goal to provide a hybrid interface, uses biometric responses participation techniques methods. To an affordable solution, collects user’s heart rate via device pulse oximetry EEG data Bluetooth communication with off-the-shelf MindWave Mobile hardware. Various interfaces have been designed implemented development...

A novel fabrication process based on nanoimprint lithography (NIL) and plasma ashing is proposed for the efficient of multidirectional monolayer metal nano-grating micro polarizer array (MPA). In this process, NIL resist serves as a multifunction layer: definition patterns sacrifice layer MPA forming. As demonstration, quartz filter with large area was fabricated by process. The performance test results demonstrate that extinction ratios four tested polarizers different orientations are...

The authors describe an artistic exploration of sound in space enabled by real-time computer vision algorithms that provide hand shape and 3D hand-tracking information.

BioRhythm is an interactive bio-feedback installation controlled by the cardiovascular system. Data from a photoplethysmograph (PPG) sensor controls sonication and visualization parameters in real-time. Biological signals are obtained using techniques of Resonance Theory Hemodynamics mapped to audiovisual cues via Five Element Philosophy. The result new media interface utilizing sound synthesis spatialization with advanced graphics rendering. serves as artistic exploration harmonic spectra...

Based on the navigation strategy of insects utilizing polarized skylight, an integrated polarization sensor for autonomous is presented. The fabricated using proposed nanoimprint photolithography (NIPL) process by integrating a nanograting polarizer and image chip. NIPL uses UV-transparent variant template with nanoscale patterns microscale metal light-blocking layer. During process, part resist material pressed to fill into nanofeatures cured under UV exposure. At same time, other parts...

Voice assistant technology has expanded the design space for voice-activated consumer products and audio-centric user experience. To navigate this emerging space, Speech Synthesis Markup Language (SSML) provides a standard to characterize synthetic speech based on parametric control of prosody elements, i.e. pitch, rate, volume, contour, range, duration. However, existing voice assistants utilizing Text-to-Speech (TTS) lack expressiveness. The need new production workflow more efficient...

The study of pixelated metamaterials that integrate both the functions linear and circular polarization filters is rapidly growing due to need for full-Stokes imaging. However, there a lack large-area, ultracompact with excellent performance, especially high extinction ratio, broad operating bandwidth, low-cost, high-quality, efficient manufacturing process, which limits practical applications metamaterials. In this study, we propose universal design fabrication scheme aluminum...

Polarization navigation is an autonomous method that relies on stable polarization patterns in the sky. The sensor for composed of a CMOS image (CIS) and four-direction metal nanograting. optical conversion deviation CIS transmittance nanograting are main factors affecting angle measurement accuracy sensor. A full-parameter calibration can accurately calculate performance parameters Mueller matrix all pixels proposed. To reduce error sensor, mode-based region extraction algorithm extract...

Contour is a voice-guided speech re-synthesis system we previously developed for efficient TTS (Text-to-Speech) content production. In this follow-up evaluation study, investigate qualities of synthetic produced using against conventional parametric-based workflow by evaluating expressive dimensions vocal prosodic parameters. Based on the quantitative and qualitative results, discuss user preferences between these two workflows producing content.

Qi is an ancient concept of life energy in various cultures and it represents continuous ineffable dialogues between the human heart with body. The goal Visualizer to translate into a collective data visualization pulse spectrograms via audience participation using smartphone photoplethysmography. Informed by our earlier studies, we believe spectrogram most effective visual language invoke broader perception across disciplines. In design process, extend notion as constituents system for...