Beam Expanders

Optics & Photonics

TECHSPEC® Beam Expanders are designed with M22 x 0.75 mounting thread.

Apr 26, 2017

Used for increasing diameter of collimated input beam to larger collimated divergent output beam, TECHSPEC® LC Fixed YAG Beam Expanders are suitable for laser scanning, laser materials processing, interferometry and remote sensing applications. Offering magnification range from 2X to 10X, units are available in 355nm, 532nm and 1064nm standard YAG wavelengths. Featuring two-element Galilean... Read More

Optics & Photonics

Continuously Variable Beam Expander is available for 355 nm.

Jun 24, 2016

TECHSPEC® Variable Beam Expanders offer continuous magnification for high-power laser applications where magnification changes may be required. With 2X–8X magnification range, 355 nm wavelength model is suited for UV laser machining. Diffraction limited performance with λ/4 transmitted wavefront is standard, and high laser damage threshold anti-reflective (AR) coatings ensure maximum... Read More

Optics & Photonics, Vision Systems

Laser Optics Assemblies meet standard and custom specs.

May 27, 2015

Used in Nd:YAG, Nd:YVO4, and fiber lasers for cutting, welding, marking, and drilling, Laser Optics Assemblies include standard and custom beam expanders and F-Theta lenses. Housed within anodized aluminum casing, expanders are made with high-precision plano-concave and plano-convex lenses. Units are specialized for use with UV-FIR wavelengths including 266 nm, 355 nm, 532 nm, 1064 nm, and 10.6... Read More

Optics & Photonics

Variable Laser Beam Expander provides continuous magnification.

Jun 06, 2014

Available in 1X–3X or 2X–8X magnification ranges for 532 or 1,064 nm or broadband visible wavelengths, TECHSPEC® Variable Beam Expanders offer continuous magnification for laser applications where magnification changes may be required. Galilean designs feature 1/4 λ transmitted wavefront, and AR coatings ensure maximum transmittance while minimizing ghost reflections.... Read More

Optics & Photonics

Beam Expanders/Reducers enhance wavefront system capabilities.

Apr 09, 2013

Beam expanders and reducers are available to enhance capabilities of Shack-Hartmann Complete Light Analysis System (CLAS-2D) wavefront aberrometers, which operate with light sources from 193–1,700 nm. Standard expanders and reducers allow beam measurement up to 60 mm, but larger, custom beam reducers can also be designed. Uses include wind tunnel turbulence applications, wind shear testing,... Read More

Optics & Photonics, Vision Systems

Laser Beam Combiners meet laboratory and industrial needs.

Oct 14, 2009

Designed to combine or separate multiple laser beams between 375 and 785 nm at 45° angle of incidence, Dichroic Laser Beam Combiners feature greater than 98% reflection and 95% transmission. Polarization-insensitive products, available at 6 cut-off wavelengths, are constructed from low-autofluorescence substrates with dense, durable coatings and feature Hard Ion-Beam Sputtered Coating.... Read More

Optics & Photonics

Laser Beam Expanders feature variable magnification.

Jun 29, 2009

Zoom Beam Expanders are designed for Nd: YAG laser sources, providing variable magnification of 1-3x and 2-8x with adjustable focus to correct for laser beam divergence. Antireflective coating can be customized for various wavelengths. Devices are available for 1,064 nm lasers in both 1-3x and 2-8x models, with Output Clear Apertures of 20, 30, 38, and 60 mm; and in 532 nm models with... Read More

Optics & Photonics

Beam Expander includes diffraction limited optical designs.

Apr 23, 2008

Featuring large output clear apertures of 10-100 mm, expansion ratios from 5x to 40x, and input apertures of 1.3-20 mm, laser beam expanders provide adjustable focus for collimation at varying wavelengths, which can be used for divergence correction, collimation, and focusing. With damage thresholds of 500 MW/cm² typical, they can be specified at single and dual wavelengths from 248-1,550 nm.... Read More