Pinhole Modeling in a Low-Fresnel-Number System - LightTrans
Pinholes in the confocal microscope. The first pinhole is a spatial... | Download Scientific Diagram
Thorlabs.com - Pinhole Wheels
Laser drilled 'Pinholes'.
Maurice Lee on Twitter: "I decided to share a little about what I've been doing in the lab lately. Basically, to precisely align the microscope, I first need a collimated laser source.
High Power Infrared Laser Pinholes (Gold/Copper) - Pinholes - Apertures & Mounts - Opto-Mechanics