Ultrafast laser recording in optical near-field for high-density optical storage

Wei Jie Wang; Ming Hui Hong; Dong Jiang Wu; Yeow Whatt Goh; Boris S. Luk'yanchuk; Tow Chong Chong

doi:10.1117/12.533122

16 September 2003 Ultrafast laser recording in optical near-field for high-density optical storage

Wei Jie Wang, Ming Hui Hong, Dong Jiang Wu, Yeow Whatt Goh, Boris S. Luk'yanchuk, Tow Chong Chong

Author Affiliations +

Proceedings Volume 5069, Optical Data Storage 2003; (2003) https://doi.org/10.1117/12.533122
Event: Optical Data Storage 2003, 2003, Vancouver, Canada

Abstract

We have explored the optical near-field technology for the fabrication of subwavelength-size binary bit by the combination of the femtosecond laser of the second harmonic output with the near-field scanning optical microscopy (NSOM). The photosensitive polymer material was exposed, and the nanopatterns with feature size smaller than the laser wavelenght can be generated. It was found that the feature size depends strongly on the gap between the fiber probe tip and substrate surface. The approach offers the advantages of high precision, speed and selectivity in nanopatterning, and is promising to be used in data storage device manufacture for high density data storage.

Citation Download Citation

Wei Jie Wang, Ming Hui Hong, Dong Jiang Wu, Yeow Whatt Goh, Boris S. Luk'yanchuk, and Tow Chong Chong "Ultrafast laser recording in optical near-field for high-density optical storage", Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); https://doi.org/10.1117/12.533122

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