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GoPhotonics has expanded its Beam Expander portfolio with a comprehensive range of high-performance solutions from leading optical manufacturers. These beam expanders are engineered to deliver precise control over laser beam diameter and divergence, enabling enhanced beam quality, improved focusing, and optimized energy distribution across a wide range of photonics applications.

Beam expanders are critical components in laser systems, designed to increase the beam diameter while proportionally reducing divergence, thereby improving collimation and enabling tighter focusing at the target. The solutions featured by GoPhotonics support ultraviolet (UV), visible, and infrared (IR) wavelength ranges, making them suitable for diverse applications such as laser micromachining, semiconductor processing, medical laser systems, spectroscopy, metrology, and optical communication testing. Utilizing optical configurations such as Galilean and Keplerian designs, these expanders offer advantages including compact form factors, internal focusing capabilities, and high beam quality preservation with minimal wavefront distortion.

The portfolio includes both fixed and variable magnification beam expanders, allowing users to precisely tailor beam size and divergence to meet specific system requirements. High-quality anti-reflection coatings, precision-polished optics, and robust mechanical housings ensure low insertion loss, high transmission efficiency, and long-term durability even in demanding industrial environments. Many of these systems are designed for seamless integration into optical setups, with standardized mounting interfaces and compatibility with common laser sources.

BE02-355 Beam Expander from Thorlabs Inc.

The BE02-355 fixed beam expander from Thorlabs is specifically optimized for ultraviolet laser sources operating around 355 nm. It delivers precise beam expansion with low wavefront distortion, ensuring high beam quality for applications requiring fine feature resolution. The expander supports stable and repeatable beam shaping, making it well-suited for UV laser micromachining, fluorescence imaging, and spectroscopy systems.

Its compact and rugged design enables easy integration into laboratory and industrial setups, while high-quality UV-grade optics and coatings ensure efficient transmission and long operational life. The system is particularly valuable in applications where maintaining beam uniformity and minimizing optical aberrations are critical.

58-271 Beam Expander from Edmund Optics

The 58-271 beam expander from Edmund Optics is designed for reliable beam expansion and collimation across a variety of laser systems. It provides consistent optical performance with durable coatings that enhance transmission and protect against environmental wear, making it suitable for both laboratory and industrial use.

This beam expander is ideal for applications that require improved beam uniformity and reduced divergence, such as laser alignment, imaging systems, and precision measurement setups. Its robust construction and optical stability ensure dependable operation in continuous-use environments.

STS-EXZ5311/292 Beam Expander from Sintec Optronics Technology Pte Ltd

The STS-EXZ5311/292 beam expander from Sintec Optronics is designed for precision beam expansion and shaping in advanced laser systems. It delivers stable beam propagation with reduced divergence, enabling accurate beam delivery and improved collimation for high-performance optical setups.

Engineered for reliability and consistency, the expander supports applications in laser material processing, alignment systems, and photonics research where beam stability is critical. Its robust optical design ensures minimal wavefront distortion and efficient transmission, while its integration-friendly form factor allows seamless incorporation into both laboratory and industrial environments.

160-0031 Beam Expander from EKSMA Optics

The 160-0031 beam expander from EKSMA Optics offers high optical quality and efficient beam expansion for scientific and industrial applications. It is engineered to preserve beam integrity while increasing diameter, ensuring minimal distortion and high transmission efficiency.

This system is well-suited for laser diagnostics, interferometry, and experimental photonics setups where maintaining precise beam characteristics is essential. Its robust optical design and high-quality components support reliable performance in both research laboratories and production environments.

VHBX Beam Expander from Lambda Research Optics Inc.

The VHBX Beam Expander from Lambda Research Optics is designed for high-power laser applications requiring durability and consistent optical performance. It supports efficient beam expansion while maintaining beam quality under high energy conditions, making it suitable for demanding industrial and defense-related applications.

With high-damage-threshold coatings and precision optical alignment, the VHBX ensures reliable operation in high energy laser systems. It is ideal for applications such as laser cutting, welding, and other material processing tasks where beam stability and performance are critical.

Enabling Advanced Beam Control Across Applications

With this expanded selection of beam expanders, GoPhotonics offers a versatile suite of solutions for optimizing laser beam characteristics across a wide range of applications. These systems enable improved beam quality, enhanced focusing precision, and reduced divergence, supporting high-performance operation in research, manufacturing, and industrial environments.

By bringing together technologies from multiple established manufacturers, GoPhotonics ensures that users can select beam expanders tailored to their wavelength, power, and system integration requirements - helping drive innovation, efficiency, and precision in modern laser-based applications.

Click here to learn more about beam expanders.