Related Experiment Video
Updated: Jun 5, 2026

08:48
Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
Laser as a toolbox for wood processing and functionalization
Yong Ding1,2, Christopher H Dreimol1,2, Mélanie Rouèche1
1Wood Materials Science, Institute for Building Materials, ETH Zürich, 8093 Zurich, Switzerland.
Summary
Laser technology offers precise and sustainable wood processing. This review explores laser-wood interactions, applications like laser-induced graphene, and future innovations for wood engineering.
Area of Science:
- Materials Science
- Engineering
- Sustainable Technology
Background:
- Wood is a versatile natural resource crucial for sustainable development.
- Traditional wood processing methods face limitations in precision and sustainability.
- Laser technology presents an advanced solution for wood functionalization and processing.
Purpose of the Study:
- To explore the fundamental principles of laser-wood interactions.
- To identify key parameters influencing laser processing efficiency.
- To highlight novel applications and future perspectives in laser-assisted wood engineering.
Main Methods:
- Review of scientific literature on laser-wood interactions.
- Analysis of photothermal, photochemical, and photomechanical processes.
- Identification of critical parameters: laser pulse, wavelength, and wood composition.
Main Results:
- Detailed examination of laser-wood interaction mechanisms.
- Identification of key processing parameters influencing efficiency.
- Showcasing applications like enhanced permeability (laser cutting/drilling) and surface modification (laser-induced graphene).
Conclusions:
- Laser technology provides a flexible, precise, and sustainable approach to wood processing.
- Laser-assisted wood engineering is pivotal for future innovations in wood materials.
- This technology drives sustainable practices in the wood industry.
Related Concept Videos
Wood Products
Wood products encompass a broad range of materials crafted from wood strands, veneers, lumber, and even waste wood-like shreds, designed for both structural and nonstructural purposes. Various specialized wood products have been developed to enhance strength, durability, and versatility in building applications.
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
Lumber
Lumber is derived from logs which are harvested, debarked, and processed into long pieces with a rectangular cross-section. The transformation of logs into lumber involves multiple steps, beginning with an automated saw that slices the log into slabs. These slabs are then transported via a conveyor belt to smaller saws, where they are cut into square-edged pieces of specific widths.
Initially, the surfaces of these lumber pieces are rough, and their dimensions may vary slightly from one end to...
Initially, the surfaces of these lumber pieces are rough, and their dimensions may vary slightly from one end to...
Introduction to Wood
Wood, derived from trees, is a versatile and widely used construction material. Trees feature a trunk surrounded by a protective layer of dead bark. Beneath this outer layer lies the living bark, followed by the cambium, and then the sapwood which transitions into heartwood as it matures. At the center of the trunk is the pith. The age of a tree can be discerned by examining its growth rings, which are concentric bands visible in the trunk's cross-section.
The structural integrity of the wood...
The structural integrity of the wood...
Wood Surfacing
Wood surfacing is a critical finishing process designed to smoothen the wood surface, enhance its dimensional accuracy, and make handling safer. This process compensates for potential shrinkage during the seasoning phase by marginally increasing the wood dimensions before surfacing. It also helps correct some distortions that may occur as the wood dries.
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
Confocal Fluorescence Microscopy
Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

