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GoPhotonics offers a comprehensive selection of precision beam expanders from leading global manufacturers, engineered to provide exceptional beam quality, adjustable magnification, and stable optical performance across UV, visible, and infrared wavelength regions. These devices enable controlled modification of laser beam diameter and divergence, ensuring optimal beam shaping, focusing, and collimation for both continuous and pulsed laser systems. Designed using Galilean, Keplerian, and achromatic optical configurations, they deliver high transmission efficiency, low wavefront distortion, and strong resistance to thermal or optical damage, meeting the requirements of research, industrial, and metrology applications.
The portfolio includes fixed and zoom beam expanders with variable magnification ranges, broadband antireflection coatings, and precision alignment mechanisms for minimal beam walk-off and superior optical stability. Constructed from robust materials such as black anodized aluminum and fused silica, these expanders ensure mechanical durability and long-term reliability under demanding operating conditions. Available in compact, threaded housings compatible with standard optical mounts and tube systems, they integrate seamlessly into laboratory benches, production lines, and optical test setups. Featuring high-quality coatings, smooth adjustment control, and compatibility with various laser types, these beam expanders provide dependable performance for applications such as divergence control, micromachining, laser alignment, beam shaping, and optical instrumentation involving small-aperture systems like Fabry-Perot interferometers.
VHBX Beam Expander - Beam Expander for Divergence Control Applications
The VHBX Beam Expander from Lambda Research Optics is a beam expander designed for use with Nd:YAG lasers at their fundamental and harmonic wavelengths. It provides a variable magnification range from 2x to 8x, enabling flexible adjustment of beam size for different optical setups. It employs a V-type antireflection coating optimized for high transmission and minimal reflection losses across its supported wavelength range. This beam expander offers excellent surface quality with low scratch-dig values, ensuring minimal wavefront distortion and high optical performance. It also features a high laser damage threshold, making it suitable for demanding laser applications. Constructed from black anodized aluminum, it ensures mechanical stability and durability in laboratory and industrial environments. It is available in customized versions for other wavelength ranges upon request. It is ideal for applications such as beam shaping, divergence control, and precision laser processing.
STS-EXZ5311/574 - Zoom Beam Expanders for Beam Shaping Applications
The STS-EXZ5311/574 from Sintec Optronics is a zoom beam expander designed for use with UV laser systems operating around the 343 to 355 nm wavelength range. It offers a variable magnification from 1.0x to 3.0x, allowing flexible adjustment of beam size to suit different optical configurations. It supports a clear input and output aperture that ensures efficient beam transmission with minimal loss. This beam expander is designed with a threaded mounting interface for easy integration into existing optical setups and provides smooth manual zoom operation without motorization. It is available in a precision-engineered housing suitable for stable alignment in laboratory and industrial environments. It is ideal for UV laser beam shaping, divergence control, and fine-tuning applications in research and manufacturing systems.
87-566 - Variable Beam Expanders for Micromachining Applications
The 87-566 from Edmund Optics is a variable magnification beam expander designed for UV laser applications operating around 266 nm and 355 nm. It offers a magnification range of 2x to 8x, allowing flexible adjustment of beam size and divergence. It features a laser V-coating optimized for high transmission and low reflection, providing transmission above 95% at the design wavelength. The optical components are made from high-quality fused silica (Corning 7980), ensuring excellent durability and stability under high laser power. It maintains a transmitted wavefront error of less than λ/4, supporting precise beam quality and minimal distortion. The coating delivers extremely low reflectance across the UV range, ensuring efficient performance in demanding optical setups. This beam expander features non-rotating optics for stable beam alignment and supports a high pulsed damage threshold, suitable for high-energy laser operation. It is housed in a precision-engineered assembly optimized for laboratory and industrial integration. It is ideal for applications involving UV laser processing, micromachining, and optical testing systems.
T81-10X - Laser Beam Expander for Alignment Applications
The T81-10X from MKS|Newport is a beam expander designed for use with visible lasers around 633 nm. It provides a 10x magnification, for precise adjustment of beam size and collimation for various optical setups. It delivers high transmission efficiency with minimal wavefront distortion, ensuring consistent beam quality and performance. This beam expander supports both continuous and pulsed laser operation, handling moderate power densities without optical degradation. It features a Galilean optical design with adjustable focus capability, enabling flexible integration into laser alignment or measurement systems. It is available with standard threaded mounting for compatibility with a wide range of optical components. It is ideal for laser alignment, beam shaping, divergence control, and precision optical testing applications.
GBE02-B - Achromatic Galilean Bam Expander for Laser Alignment Applications
The GBE02-B from Thorlabs Inc is an achromatic Galilean beam expander designed for use with lasers operating in the near-infrared region. It provides a 2x magnification while maintaining diffraction-limited performance and preserving the input beam quality. It features a broadband anti-reflection coating that ensures high transmission and minimizes surface reflections across its operating wavelength range. This beam expander incorporates a precision sliding lens design with an adjustable and lockable collimation ring to achieve accurate beam alignment and minimal walk-off. It includes internal and external threaded interfaces, allowing easy integration with standard optical mounts and tube systems. It is available in a compact housing optimized for stability and compatibility with various optical setups. It is ideal for laser alignment, optical testing, and precision measurement applications, and for use with optics or instruments that have small input apertures such as Fabry-Perot interferometers.
With their high optical quality, adjustable magnification, and robust construction, GoPhotonics’ range of beam expanders ensures precise beam control and superior performance across UV, visible, and infrared regions. Designed for flexibility, accuracy, and stability, they deliver reliable results in research, industrial, and metrology environments. Whether for laser alignment, divergence control, or precision micromachining, these beam expanders provide the optical precision and dependability essential for achieving consistent beam shaping and advancing laser system performance.
