Standard and High-Power Apertures These apertures are laser-drilled in discs 9.53mm dia, and available unmounted or in two mount sizes. The standard range are in 302 stainless steel 12.5um thick, except 1um and 2um which are in a 2.5-5um patch on a 0.1mm backing. High Power apertures are in copper, gold plated on one side, flat poly black (98% emissivity) on the other, and typically withstand 100-200MW/cm2 for a 10ns pulse (700nm). Thickness is 0.15mm, thinned to 25um around the aperture.
Knight Optical > Gratings/ Graticules and Apertures > Apertures - High power Pinholes > Mounted 16 (diameter mm) Only UK and EU customers are charged VAT at 17.5%, customers outside the EU and EU customers based outside the UK who have a valid EU VAT number will not be charged VAT Bulk Discounts! Where (B) appears next to a price below, bulk prices are available, click the (B) button to view! PDF Part No. Diameter (mm) Aperture (micron) Price Qty Buy AQH0516 16 5 ±1 £103.00 AQH1016 16 10 ±1 £103.00 AQH2516 16 25 ±2 £103.00 AQH5016 16 50 ±3 £103.00 AQH10016 16 100 ±4 £103.00 Knight Optical > Gratings/ Graticules and Apertures > Apertures - High power Pinholes > Mounted 16 (diameter mm)
Specification   Centration:     To foil edge 50µm   To mount 150µm Pinhole roundness:    1-15µm 0.5µm   20-50µm 1µm   75µm 2µm Slit straightness: 2µm
Specific requirements We can manufacture these Apertures to any size at short notice, so if your requirements are not listed please contact us by telephone / fax or email: stockrequirement@knightoptical.co.uk Options available   · Special sizes and mounts   · Black one or both sides   · Closer tolerance or calibration   · Thicker substrate (0.15mm) See also Precision Apertures