Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Julian Lewkowicz"'
Autor:
Konwar, Santanu
Publikováno v:
Journal of Physics: Conference Series; 2024, Vol. 2919 Issue 1, p1-6, 6p
Autor:
Julian Lewkowicz, D. K. Cohen
Publikováno v:
Topical Meeting on Optical Data Storage.
It is shown that focus error signal spectrum, measured while disk is spinning, represents Fourier transform of the disk profile modified by the loop gain.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fb19f31b1722a11ee17bc397c2d1e9a
https://doi.org/10.1364/ods.1983.wb7
https://doi.org/10.1364/ods.1983.wb7
Autor:
Donald K. Cohen, Julian Lewkowicz
Publikováno v:
SPIE Proceedings.
It is shown that focus error signal spectrum, measured while disk is spinning, represents Fourier transform of the disk profile modified by the loop gain.IntroductionMinimum laser spot diameter and its variations due to defocusing set the limit to da
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1ccb8681d8033a3855e4f438398d9bd
https://doi.org/10.1117/12.970208
https://doi.org/10.1117/12.970208
Publikováno v:
Applied Optics. 23:565
The use of an astigmatic lens to generate a position error signal (PES) suitable for servo control is discussed. A simple computer model was written that can predict adequately the performance of an astigmatic system. The effect of various system par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::715096632aa8a28468eebdfff7c6f58c
https://doi.org/10.1364/ao.23.000565
https://doi.org/10.1364/ao.23.000565
Conference
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.