Referenced Items are not available for this document.
We present a near-field optical recording system with a solid immersion lens (SIL) in a conventional biaxial actuator. We manufactured a super-hemispherical aplanatic SIL with a numerical aperture (NA) of NA = 1.9. Our system utilizes a gap error signal (GES) and a digital servo system to drive a conventional actuator in order to maintain a constant air gap of 25 nm between the SIL and a spinning optical disc.
Published in:
Magnetics, IEEE Transactions on
(Volume:41
,
Issue:
2
)
Date of Publication: Feb. 2005
- Page(s):
- 1042 - 1046
- ISSN :
- 0018-9464
- INSPEC Accession Number:
- 8406296
- Digital Object Identifier :
- 10.1109/TMAG.2004.842030
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 22 February 2005
- Issue Date :
- Feb. 2005
- Sponsored by :
- IEEE Magnetics Society
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