Galvo for Wide-field Scanning
The 20-bit digital galvo scanner handles main trajectories, contour scanning and wide-range positioning.
Galvo + AOD Control
M5S-AOD Control Card
A galvo-AOD coordinated control platform for ultrafast precision laser processing. One card simultaneously controls a 20-bit digital galvo scanner and dual-axis AOD driver.
Coordination
Galvo Scanner and AOD in One Control Chain
AOD for High-speed Micro-deflection
AOD controls spot position by RF frequency with almost no mechanical inertia.
Synchronized Output on One Card
Galvo, AOD, laser Gate and sync signals are scheduled by one card.
AOD Crystal
Role of the AOD Acousto-Optic Crystal
AOD stands for Acousto-Optic Deflector. Ultrasound inside the crystal forms a dynamic grating and changes the propagation direction of the diffracted laser beam.
In this system, the galvo handles wide-field scanning while the AOD provides high-speed local micro-deflection and energy modulation.
Frequency Defines Position
RF frequency determines first-order diffraction angle and spot displacement.
Power Defines Energy
RF power affects diffracted intensity and can be compensated by frequency-power tables.
Original Simulator
High-precision 2D/3D Beam-tracing Fitting View
The original AOD-4F-galvo simulator is embedded here. The simulator UI follows the current site language.
Capabilities
Core Capabilities
Chirp Focus
Chirp Function: Focus-height Control by Frequency Sweep
Continuous frequency sweep inside the AOD crystal adds a controllable dynamic-lens effect to the beam. By changing the Chirp slope, the control card moves the focal point upward or downward along the Z axis for rapid processing at different heights and focal-depth positions.
Distortion Correction
Distortion Correction: Pre-correction for Edge AOD Square Processing
At the edge of the galvo scan field, local AOD coordinates are affected by galvo angle and image-field mapping, so a directly processed square may be distorted. The software applies inverse pre-correction to AOD coordinates so the final processed result remains square.
Galvo Control
Supports 20-bit digital galvo protocol coordinated with AOD deflection control.
AOD Control
Dual-axis AOD high-speed deflection; RF frequency controls position and RF power controls diffracted intensity.
Chirp
Continuous frequency sweep creates an equivalent dynamic-lens effect for focus-height control.
Distortion Correction
AOD coordinate pre-correction at galvo field edges improves geometry consistency.
Power Compensation
Frequency-power compensation tables improve energy uniformity.
Driver Compatibility
Compatible with Gooch & Housego NGD, Maibo and other AOD drivers.
Applications
Applications
Ultrafast Precision Laser Processing
For femtosecond and picosecond laser tasks requiring pulse-position consistency.
Micro/Nano Processing
Micro-holes, micro-grooves, fine lines and dot arrays.
PCB Micro-vias
PCB, FPC and package-substrate micro-via processing.