Image with Single Lens Beam Expander Image with Concave Single Lens Couple to Single-Mode Fiber Focusing a Collimated Beam Spatial Filter Pinhole Collimating a Beam From a Point Source Return to Newport Online Catalog

Note: Choose the pinhole aperture of the next larger size than the calculated w. Inputs: d: beam diameter : wavelength f: focal length Outputs: w: mode field diameter of focused beam waist at the pinhole See 3-Axis Spatial Filters  See Pinhole Apertures  See 5-Axis Spatial Filters  See Objective Lenses