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Cloudray CO2 10600 nm laser beam expander 2x 2.5 x 3 x 4 x 5 x 6 x 8 x galvanometer laser marking lenses optics rays expand 10.6μm-2.5X - - Amazon.com
Optosigma - Beam Expander Theories Explained - here's a quick guide demonstrating how #Galilean and #Keplerian beam expander systems work! More at: https://www.optosigma.com/us_en/optics/optical-assemblies/beam-expanders.html #beamexpander #optics ...
![Components of the experimental setup: Laser, beam expander (BE), SLM,... | Download Scientific Diagram Components of the experimental setup: Laser, beam expander (BE), SLM,... | Download Scientific Diagram](https://www.researchgate.net/profile/Hector-Moya-Cessa/publication/51658832/figure/fig2/AS:393976562634755@1470942740125/Components-of-the-experimental-setup-Laser-beam-expander-BE-SLM-Fourier.png)