Spherical Optics - Berliner Glas KGaA Herbert Kubatz GmbH & Co. - #1

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Berliner Glas KGaA Herbert Kubatz GmbH & Co. • Waldkraiburger Str. 5 • D-12347 Berlin photonics@berlinerglas.de • Phone: +49 30 60905-0 • Fax: +49 30 60905-100 www.berlinerglas.com Spherical optics 05/2009 Spherical Optics Product BERLINER GLAS manufactures precision spherical optics (lenses, achromatic lenses, encapsulated systems, mirrors) for applications in .. laser technology .. reproduction engineering .. metrology .. research and other fields Material Optical materials such as quartz, glass ceramics, borosilicate glass, CaF2, MgF2 and filter glass are used. Specifications .. Dimensions: up to Ø 500 mm .. Radii: 1.2 mm up to �‡ .. Centering accurancy: up to 10“ according to ISO 10110, Part 6 or DIN 3140, Part 6 .. Fitting error: up to ë/40 measured at 632.8 nm depending on the critical area in reflection and wavefront depending also on material. .. Evaluation: according to ISO 10110, Part 5 or DIN 3140 Part 5 .. Surface defects: ISO 10110, Part 7 or DIN 3140, Part 7 up to 5/1 x 0.016 depending on the critical area .. Micro-roughness: RA up to 2 Å, depending on the material .. Center thickness tolerance: +/- 3 ìm .. Diameter tolerance: +/- 3 ìm Quality Assurance In addition to permanent process and production control there is a final inspection for which sophisticated measurement devices are available. Notes We offer a special know-how in optical cementing, lacquered diaphragms, lacquered circumferences and special shaping of contours. Measuring Instruments for Quality Assurance Wavefront: Interferometer 4-24”, Shack-Hartmann-Wavefront-Sensor (UV and DUV) Resolution: Computer-supported MTF measurement Centering: Objective metrology station, Laser centering station Angle Precision: Goniometer, interferometer Transmission/ Reflection: Spectrometer, diode array Surface defects: Automatic microscope Micro-Roughness: White light interferometer, AFM Dimension: 3D Coordinate-measurement, caliper, CCD-Micrometer, Stitching interferometer