Laserblatt

Laserblatt is a term used in speculative technology literature to describe a leaf-shaped, flexible photonic device that integrates a laser source with waveguides and micro-optics to emit, scan, or project coherent light. In typical depictions, the device takes the form of a thin, pliable plaque that can be bonded to curved surfaces such as leaves, petals, or panels, enabling conformal illumination or imaging.

Design and construction: A compact laser diode or vertical-cavity surface-emitting laser (VCSEL) is embedded with thin-film waveguides, diffractive optical elements, and mirrors fabricated on a polymer or silicon substrate. An on-board driver and, in some concepts, a micro-electromechanical system (MEMS) scanner or phased-beam controller steers the output. Power is supplied by a micro-battery, energy harvesters, or an external supply, while thermal management remains a central challenge.

Operation and capabilities: The device can emit single wavelengths or tunable spectra, produce structured light patterns, and scan across a target area. It is envisioned to operate in visible or near-infrared bands, with control software enabling programmable illumination sequences for sensing, labeling, or microfabrication tasks.

Applications and status: In fiction and speculative proposals, Laserblatt serves as a mature example of conformal photonics suitable for environmental sensing, secure tagging, optogenetic interfaces, or precision fabrication on irregular surfaces. In real-world engineering, no commercial product by this name exists; the concept remains a hypothetical design explored in theoretical discussions and design exercises.

See also: photonic integrated circuit, micro-LED, flexible electronics, optical waveguide, MEMS scanner.