Diamond machining of diffractive optical patterns by using a nanometer-stroke Fast Tool Servo (English)

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Diffractive optics, mostly fabricated in process chains consisting of many steps for making bulk products have gained importance within the last decade. Nevertheless, there is no cost effective technique for single-piece fabrication of diffractive optics. To overcome this limitation a diamond turning process using a nanometer-stroke Fast Tool Servo (nFTS) for direct manufacture of diffractive patterns on transparent or reflective substrates in a single step process is introduced. By using a LiNbO3-ceramic with near zero hysteresis, the nFTS-system can be driven open-loop. First experiments show that a sufficient structure quality is achievable using nickel silver. Shortly the nFTS will be set up and used to manufacture diffractive patterns. In the next steps the cutting conditions have to be adapted to achieve identical structure qualities using low spindle speeds (50 -100 rpm) in order to generate a sufficient pattern density taking the maximum nFTS-frequency of 5 kHz into account. Also additional materials like nanocrystalline aluminum have to be investigated.

Table of contents conference proceedings

The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

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Theoretical and experimental approach for the evaluation of structural dynamics of CNC machine tools
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Rule based feed rate optimisation for machine tools
Hadorn, M. / Jäger, C. / Steinlin, M. | 2007
Micro structuring by ultra short pulsed laser ablation
Fleischer, Juergen / Haupt, Sebastian | 2007
Machine tool calibration: Geometric test uncertainty depends on machine tool performance
Bringmann, B. / Knapp, W. | 2007
Calibration of hybrid kinematics with a 1-DOF gauge
Denkena, Berend / Möhring, Hans-Christian | 2007
Diamond machining of diffractive optical patterns by using a nanometer-stroke Fast Tool Servo
Brinksmeier, E. / Gläbe, R. / Lünemann, B. | 2007
A new model for surface roughness evolution in the Chemical Mechanical Polishing (CMP) process
Savio, G. / Meneghello, R. / Concheri, G. | 2007
Precision balancing in ultraprecision diamond machining
Brinksmeier, E. / Gläbe, R. / Krause, A. | 2007
A compact 6 D.O.F. geometric error measurement system with PSDs for long travel range in mMT
Kwon, Seol-Ryung / Lee, Jae-Ha / Yang, Seung-Han | 2007
Calibration of a 3D- ball plate
Liebrich, T. / Bringmann, B. / Knapp, W. | 2007
Analysis of CMM measurements of hole plates in interlaboratory comparisons
Forbes, A.B. | 2007
Petri net-based approach for web service automation resource coordination
Mendes, J.Marco / Leitao, Paulo / Colombo, Armando W. / Restivo, Francisco | 2007