Abstract
An optical fiber-lens-type pickup with numerical aperture (NA) ≅ 0.27 was demonstrated for thermal recording of continuous 1.6-μm-wide lines on MO disks with 50% throughput efficiency. Moreover, a Si-micromachined near-field module integrated with a fiber lens, solid immersion lens (SIL), and submicron aperture was fabricated to improve the mechanical fragility and increase the NA of the optical-fiber-based pickup. The preliminary configuration design and measurement suggest the feasibility of the module as a submicron heat source for high-density optical data storage.
Original language | English (US) |
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Pages (from-to) | 4345-4348 |
Number of pages | 4 |
Journal | Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers |
Volume | 42 |
Issue number | 7 A |
DOIs | |
State | Published - Jul 2003 |
Keywords
- Fiber lens
- Near field
- Optical data storage
- SIL
- Submicron aperture
ASJC Scopus subject areas
- General Engineering
- General Physics and Astronomy