TECHSPEC® Gemma Variable Beam Expanders Unite Industrial-Grade Performance with Simplified Laser Beam Expansion

The  TECHSPEC® Gemma Variable Beam Expanders are industrial-grade variable beam expanders built for laser system teams that need continuous magnification control, high optical performance, and reliable sourcing. Available in 2-8X and 1-3X magnification ranges, Gemma beam expanders support fast evaluation and straightforward integration for R&D, prototyping, and production programs.

With continuous magnification adjustment, users can dial in the desired expansion without swapping optics or rebuilding alignment. The robust design helps reduce setup time while maintaining excellent transmitted wavefront performance for demanding beam delivery and beam conditioning applications.

Designed without internal focusing, the TECHSPEC® Gemma Variable Beam Expanders are well-suited for higher-power laser operation and stability-sensitive systems. Large input and output apertures broad beam diameters and improve ease of use during integration. High laser damage threshold AR coatings for nanosecond lasers provide support for common industrial wavelengths.

The TECHSPEC® Gemma Variable Beam Expanders are offered at 355nm, 532nm, and 1064nm for the 2-8X models, with 532nm and 1064nm options available for the 1-3X models (355nm coming soon). Designed and manufactured in-house, with application support available for product selection and custom configuration requests. This in-house expertise also enables custom configurations such as wavelength optimization, alternative magnification ranges, and mechanical modifications.

With broad in-stock availability, technical support, and access to complementary optical components from a single supplier, the TECHSPEC® Gemma Variable Beam Expanders enable confident, one-stop-shop procurement for laser system development teams.

About Edmund Optics

With over 80 years of experience, Edmund Optics® is a trusted provider of high-quality optical components and solutions, serving industries like Life Sciences, Biomedical, Industrial Inspection, Semiconductor, and R&D. The company employs 1,300+ people across 19 global locations and continues to grow.

As a leading optics and photonics company, Edmund Optics provides two specialized solutions: a robust Marketplace with 34,000+ off-the-shelf products and Advanced Manufacturing, which focuses on custom and volume production of precision optical and imaging components.

Edmund Optics’ Marketplace is a one-stop shop for over 34,000 in-stock products from in-house manufacturing and 40+ top-tier brands, covering the entire beam path with fast, easy purchasing. For tailored solutions, Advanced Manufacturing offers custom design, first-article production, and scalable manufacturing — supported by four global design centers and nine specialized factories producing over 2 million components and 175,000+ assemblies annually.

Learn more at www.edmundoptics.com.