M. Iwasaka

Visualization of a Standing Lattice of Scattered Light on Spherical Water Droplets under an Acoustic Field Using Biogenic Microparticles

The paper demonstrates that water droplets with microparticles exposed to an acoustic field form a lattice pattern of reflected light, with guanine platelets producing the most precise pattern.

Modulation of optical speaker using biogenic guanine platelets floating in water

This paper describes an optical speaker that modulates sound using biogenic guanine platelets in water droplets, converting light reflections into audio signals.

On-chip light diffraction imaging of nano structures in the guanine platelet

This paper demonstrates a compact imaging technique using guanine platelets to detect nanostructures through light diffraction.

Real-time lens-free visualization of strong light scattering by biogenic guanine platelets

This paper demonstrates real-time lens-free visualization of biogenic guanine platelets using their light scattering properties for micro/nano object detection.

Optical and magnetic properties of particles containing guanine in strong basic solution

This study shows that guanine particles in strong basic solution exhibit strong light reflection and magnetic field-induced switching, enhanced by fish iridophore extract.

Rapid active-reflection display on dorsal stripes of Atherinomorus lacunosus

The paper studies light reflection patterns in Atherinomorus lacunosus, finding that iridophores generate rhythmic light blinking controlled by the nervous system, potentially inspiring low-energy optical devices.

Dynamic blinking in the head of hardyhead silverside fish

This study identifies dynamic light reflection in hardyhead silverside fish that changes light intensity and color using environmental light, potentially inspiring energy-efficient display technologies.