Fabrication and characterization of optical super-smooth surfaces

Dirk-Roger Schmitt; Frank Kratz; Gabriele A. Ringel; Juergen Mangelsdorf; Francois Creuzet; John D. Garratt

doi:10.1117/12.215614

2 August 1995 Fabrication and characterization of optical super-smooth surfaces

Dirk-Roger Schmitt, Frank Kratz, Gabriele A. Ringel, Juergen Mangelsdorf, Francois Creuzet, John D. Garratt

Proceedings Volume 2576, International Conference on Optical Fabrication and Testing; (1995) https://doi.org/10.1117/12.215614
Event: International Conferences on Optical Fabrication and Testing and Applications of Optical Holography, 1995, Tokyo, Japan

Abstract

Intercomparison roughness measurements have been carried out at supersmooth artefacts fabricated from BK7, fused silica, and Zerodur. The surface parameters were determined using a special prototype of the mechanical profiler Nanostep (Rank Taylor Hobson), the Optical Heterodyne Profiler Z5500 (Zygo), and an Atomic Force Microscope (Park Scientific) with an improved acquisition technique. The intercomparison was performed after the range of collected spatial wavelength for each instrument was adjusted using digital filtering techniques. It is demonstrated for different roughness ranges that are applied superpolishing techniques yield supersmooth artefacts which can be used for more intercomparisons.

Citation Download Citation

Dirk-Roger Schmitt, Frank Kratz, Gabriele A. Ringel, Juergen Mangelsdorf, Francois Creuzet, and John D. Garratt "Fabrication and characterization of optical super-smooth surfaces", Proc. SPIE 2576, International Conference on Optical Fabrication and Testing, (2 August 1995); https://doi.org/10.1117/12.215614

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