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. Non-rotating internal translation and focusing mechanisms continuously adjust magnification and laser divergence.
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