Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Patent
1996-11-29
1998-02-17
Hindi, Nabil
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
369 58, 359291, G11B 700, G02B 2600
Patent
active
057198462
ABSTRACT:
A deformable mirror for reflecting a light beam incident thereon of the present invention includes: a flexible member which has a reflective surface and is flexibly deformable; a substrate having a reference surface which faces the flexible member; and a driving section for making the flexible member adhere to the reference surface of the substrate, thereby deforming the reflective surface of the flexible member to correspond to the reference surface. The shape of the reference surface is designed in such a manner that the light beam is provided with a spherical aberration when the reflective surface adheres to the reference surface.
REFERENCES:
patent: 4001635 (1977-01-01), d'Auria et al.
patent: 4119368 (1978-10-01), Yamazaki
patent: 5202875 (1993-04-01), Rosen et al.
patent: 5408453 (1995-04-01), Holtslag et al.
"Adaptive Optics for Optimization of Image Resolution", J.P. Gaffard, et al. Applied Optics,vol. 26, No. 18, pp. 3772-3777, 1987.
Abe Shingo
Hirata Susumu
Inui Tetsuya
Ishii Yorishige
Matoba Hirotsugu
Hindi Nabil
Sharp Kabushiki Kaisha
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