Holographic Servo-signal Detection Stabilized to the Wavelength Fluctuation and the Mechanical Misalignment in the Optical Heads.

Makoto Kato; Tetsuo Saimi; Shin-ichi Kadowaki; Yoshiaki Komma

doi:10.1117/12.952751

19 May 1989 Holographic Servo-signal Detection Stabilized to the Wavelength Fluctuation and the Mechanical Misalignment in the Optical Heads.

Makoto Kato, Tetsuo Saimi, Shin-ichi Kadowaki, Yoshiaki Komma

Author Affiliations +

Proceedings Volume 1078, Optical Data Storage Topical Meeting; (1989) https://doi.org/10.1117/12.952751
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Compact holographic heads using the spot size detection of double beams with linear photodetector-elements are proposed to attain highly reliable performances under considerable optical misalignment. Acceptable amount of misalignment could be expanded by a factor of ten compared with that in an astigmatic system. Mechanical accuracy of the integrated head is also discussed.

Citation Download Citation

Makoto Kato, Tetsuo Saimi, Shin-ichi Kadowaki, and Yoshiaki Komma "Holographic Servo-signal Detection Stabilized to the Wavelength Fluctuation and the Mechanical Misalignment in the Optical Heads.", Proc. SPIE 1078, Optical Data Storage Topical Meeting, (19 May 1989); https://doi.org/10.1117/12.952751

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