May 1999Optical Surfaces Ltd.Request Info
Optical Surfaces Ltd. can supply Fabry-Perot etalons in matched pairs up to 150 mm in diameter with accuracies to l/300 and ring or optically contacted spacers. Wedge angles are 5 min of arc for smaller diameters, rising in steps to a wedge angle of 40 min of arc for diameters greater than 70 mm. They are available as standard in materials including UV-grade silica and germanium. All come with full quality testing assurance.