Acousto-Optic Deflectors for Laser Beam Control
Featured Product from CASTECH, Inc.

High-Speed Acousto-Optic Deflectors for Precision Laser Beam Control
Acousto-optic deflectors (AODFs) offer advanced solutions for high-speed, solid-state laser beam scanning by utilizing RF driving frequencies to achieve precise deflection. CASTECH's AODFs provide robust performance with scan rates exceeding 200 MHz, enabling precise control down to nanoradians. Our expertise in designing AODs ensures high efficiency and resolution, overcoming challenges such as Bragg angle mismatches through innovations like longitudinal modes and phased array piezoelectric cells.
These AODs are ideal for a range of industrial and scientific applications, including laser displays, micromachining, and optical inspections, offering flexible scanning options from random positioning to continuous line and point deflections.
Key Features:
- High-Speed Scanning: Achieves scan rates > 200 MHz for fast and precise beam control.
- Precise Positioning: Provides nRad-level accuracy in beam deflection.
- Innovative Design: Solves Bragg angle mismatch issues with advanced techniques such as longitudinal modes and phased array piezoelectric cells.
- Versatile Control: Supports frequency sweeping, chirping, and multiple scanning methods for flexible operation.
- Broadband RF Driver Compatibility: Enables quick realization of complex functions with specialized drivers.
Applications:
- Laser Displays: Enhance performance with fast, high-precision scanning.
- Micromachining: Enable detailed laser patterning with high-speed deflection.
- Heterodyne Interferometry: Improve accuracy in laser-based measurements.
- Laser Tweezers: Facilitate precise manipulation of microscopic objects.
- Optical Inspection: Achieve fast, high-accuracy scanning for quality control.