Buying Pinholes

Pinholes are small circular apertures used in various optical devices, such as beam cleaners, to control light propagation and improve beam quality.
Making Good Purchase Decisions
As the most professional photonics purchasing portal, RP Photonics helps you to not only to find all relevant suppliers (not limited to our advertisers), but also to make good purchasing decisions.
NEW: Structured Decision Process
Purchasing involves a lot of responsibility. We recommend that you apply best practice by using the following structured process: Go through the following expandable sections, complete the form and finally come to a purchase decision. You can then print that to a PDF for documenting the process.
Our article on best practices for purchasing and another one explaining this tool give you valuable insights.
Suppliers for Pinholes
8 suppliers for pinholes are listed in the RP Photonics Buyer's Guide. Both manufacturers and distributors can be registered.
Suppliers with Advertising Package
presenting their product descriptions
![]() Bringing quality into focus Knight Optical (USA) LLC1130 Ten Rod Road Suite D102 North Kingstown Rhode Island 02852 United States See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth A3.533)! | ![]() Available in two categories, high-powered and standard grade, our high-quality pinholes provide optimum control over beam size. Our stock laser-drilled apertures are ready for next-day dispatch, in options ranging from 0.5 μm to 1000 μm and in mounted and unmounted varieties. Alternatively, if you are searching for a more tailored approach to your specification, Knight Optical also provides custom-made pinholes in a variety of materials, mounting options and sizes. Product-specific web page |
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Other Suppliers
DIY-Optics GmbH Switzerland |
Ealing Catalog United States |
Lahat Technologies Ltd Israel |
Newport Corporation United States |
OWIS GmbH Germany |
Oxford Lasers, Inc United States |
Vision Lasertechnik für Forschung und Industrie GmbH Germany |