Skip to content What Is Vector Cutting?
Vector cutting explained: how laser software follows paths and outlines for cutting, scoring and line engraving.
What is … Guide
Laser Technology Explained: concise, practical answers to common questions about laser sources, optics, machine components, cutting, engraving, safety and supporting systems. Each short explanation links to deeper LaserUser guides and Russ Sadler learning material where relevant.
What Is Raster Engraving?
Raster engraving explained: how a laser scans line by line to reproduce filled artwork, photographs and tonal patterns.
What Is Laser Cutting?
Laser cutting explained: how a focused laser separates material and how wavelength, power, speed, focus and assist gas affect the cut.
What Is a Laser Rotary Attachment?
Laser rotary attachments explained: how roller and chuck rotaries rotate cylindrical objects for engraving and what setup factors affect accuracy.
What Is Laser Engraving?
Laser engraving explained: how a laser changes or removes material to create permanent marks, images, text and surface detail.
Laser Fume Extraction Explained: Airflow, HEPA & Carbon Filters
A practical guide to laser fume extraction: airflow, pressure, HEPA and carbon filters, filter loading, recirculation, compatible filters and UK LEV requirements.
What Is a Laser? How Laser Light Works
A practical explanation of what a laser is, how stimulated emission produces laser light, and why wavelength, focus and beam quality matter in laser cutting and engraving.
What Is Laser Wavelength and Why Does It Matter?
Laser wavelength explained in practical terms: what wavelength means, why CO₂, fibre and diode lasers behave differently, and how wavelength affects materials, optics and safety.
What Is a CO₂ Laser Cutter?
A practical introduction to CO₂ laser cutters: how the laser source, optics, gantry, cooling, extraction, air assist and safety systems work together.
What Is the Pre-Ionisation Zone of a CO₂ Laser Tube?
The pre-ionisation zone of a CO₂ laser tube explained: what happens before a stable discharge is established, why low-current behaviour can be erratic, and how it affects laser output.
What Is a Laser Power Meter?
Laser power meters explained: how thermal and photodiode sensors measure optical power, why wavelength and power range matter, and how to choose a suitable meter.
