Singlet, doublet, triplet and telecentric scanner lenses are all used in the ‘pre-objective’ scanning configuration. However, there is a second arrangement called ‘post-objective’ (or ‘3-axis’) where the scanning mirrors follow the focusing optics. The small first lens is also translated in synchronisation with the mirrors to keep the correct focus on the image surface. Unlike the pre-objective arrangement, the same set of optics can usually cope with more than one field size.
Applications for these lenses typically are three-dimensional applications where the working distance gets varied on the fly, such as remote welding.
ULO Optics designs and manufactures these post-objective lens sets to your requirements.
ULO Optics is an ISO certified company and quality is at the heart of everything we do. With a host of industrial affiliations you can rely on ULO to deliver.
Beam Expanders for 1μm lasers
ULO Optics are excited to introduce our new range of beamexpanders. Designed for low power (500w) lasers such as Nd:YAG and Yb doped fibre lasers operating near the 1μm wavelength. The beamexpanders are of Galillean design and use Multi-spectral Zinc Sulphide for the optics which has an absorption at 1μm of 0.0005cm−1 (Similar to ZnSe at 10.6μm).
ULO Exhibit in Munich
ULO Optics will exhibiting at this year’s Laser World of Photonics exhibition and would like to invite all existing and potential customers to come and visit our stand.
Visit us at Booth # B2 .120 | June 22 -25
ULO Optics develops CO2 Brewster plate beamcombiner
In our new beamcombiner – C-BC-2, pairs of enhanced Brewster Windows are used to attenuate a linearly polarised CO2 laser beam. The Brewster plate acts like a polarising beamsplitter. The difference in reflectance also allows two perpendicular polarised beams to be combined into a single beam.