For beam focusing applications in environments subject to wide temperature variation, Optical Surfaces Ltd. is able to produce athermalised beam expanders that deliver stable high performance. Optical ...

OSL Laser beam expanders are easy to use and provide accurate, unobstructed and achromatic expansion of any collimated input source. In addition to its standard product range Optical Surfaces is also ...

Available in versions providing a fixed or zoom expansion factor, a family of laser beam expanders is designed for 355-nm light at up to 100 W (cw). With an 8-mm input aperture and a 22-mm output ...

Packaged in a precise opto-mechanical platform, a family of beam expanders has a focusing mechanism that keeps optics from rotating, which helps maintain bore sight accuracy and a minimally aberrated ...

Flat optics based on patterned liquid crystals (LCs) has recently received extensive research interest. Comparing with dielectric metasurfaces which are usually fabricated by sophisticated lithography ...