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Design and Fabrication of a Small-Form-Factor Optical Pickup Head

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7 Author(s)

This paper presents the design and fabrication of a small-form-factor optical pickup head (OPH) for both red and blue wavelength. A holographic optical element (HOE) is used for beam splitting, aberration correction, and servo-signal generation to reduce the number of components and simplify the assembly procedure. In addition to demonstrating this OPH by using existing discrete components, several key components and processes are developed to use micro-electro-mechanical system (MEMS) technology to facilitate batch fabrication and wafer level assembly of the micro OPU.

Published in:

IEEE Transactions on Magnetics  (Volume:45 ,  Issue: 5 )