A 300 µm aperture in an unmounted aluminium disc for optical alignment, spatial filtering, spectroscopy and imaging experiments.Specifications Pinhole diameter: 300 µm. Outside diameter: 25.4 mm (1 inch). Plate thickness: 0.2 mm. Material: bare aluminium, uncoated. Front marked with the aperture diameter; back unmarked. Integration guidanceChoose the aperture for your focused spot size and intended optical function. Check holder compatibility and allow access for precise positioning. For demanding laser applications, contact us about the exposure conditions before selecting the aperture; no laser damage threshold is specified on this listing.Need another aperture size? Request a custom slit or pinhole. For beam delivery and instrument design, explore our optical engineering services.Drawings and CADDownload Datasheet & Drawing (.pdf)Download CAD (.step)
