Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yutaka Kasami"'
Publikováno v:
2000 Optical Data Storage. Conference Digest (Cat. No.00TH8491).
We have developed an optical disk system whose storage capacity and data transfer rate are 22 GB and 35 Mbps, respectively, by using a proto-type pickup with a GaN laser diode as a light source. Measured jitter value of 8.1% at the areal recording de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62b4d1dd8e561df46b9b435914a0851a
https://doi.org/10.1109/ods.2000.847966
https://doi.org/10.1109/ods.2000.847966
Publikováno v:
SPIE Proceedings.
We describe a FMM (Fourier Modal Method) based rigorous vector diffraction method that can be applied to trapezoidal groove structures. Applying this method to the calculation of the electric field on the surface of the recording layer for DVR groove
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5f4886775b63a3bf6fedf2ee1f5546a
https://doi.org/10.1117/12.453379
https://doi.org/10.1117/12.453379
Publikováno v:
Joint International Symposium on Optical Memory and Optical Data Storage 1999.
Both over 20 GB of capacity and higher data transfer rate more than 25 Mbps are required for the optical data storage in the era of digital broadcasting to record high-definition digital video stream.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e43616fbffe43ed9c6e100712782f456
https://doi.org/10.1117/12.997611
https://doi.org/10.1117/12.997611
Publikováno v:
Optical Data Storage '98.
Using a two-element objective lens, over 0.9 NA lens and long WD lens are demonstrated. Using a thin cover layer, problems for skew margin and thickness tolerance are solved. Using a red LD, a 0.85 NA lens and a 0.1 mm cover PC disk, 8 GB rewritable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12b5774881ce9c458023342b74797fc6
https://doi.org/10.1117/12.327931
https://doi.org/10.1117/12.327931
Publikováno v:
Optical Data Storage.
Recently, the capacity of an optical disk was increased up to 4.7 GB such as DVD with a demand of playing back a digital video. In order to record a digital video data more than 3 hours, the capacity of a rewritable disk is expected to exceed 10 GB.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf085990f9918c49fb99f7e49da8db54
https://doi.org/10.1364/ods.1998.wa.2
https://doi.org/10.1364/ods.1998.wa.2
Autor:
Yutaka Kasami, Shigeki Takagawa, Katsuhiro Seo, Yuji Kuroda, Masahiro Yamada, Masumi Ono, Osamu Kawakubo
Publikováno v:
Japanese Journal of Applied Physics. 39:756
Large-capacity phase-change disks permitting higher data-transfer rates have been developed for 0.85-numerical-aperture (NA) recording systems. Three methods to improve the recording data rate were examined. First, the recording layer was sandwiched
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7906eca37f96400c049c14214fc7c62
https://doi.org/10.1143/jjap.39.756
https://doi.org/10.1143/jjap.39.756
Publikováno v:
Japanese Journal of Applied Physics. 39:937
The combination of a GaN laser diode and a 0.85 numerical aperture objective has achieved an optical storage capacity of over 22 GB. Owing to sufficient modulation ability and low-noise characteristics, GaN semiconductor lasers possess adequate quali
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66782e25c830327dacc1c2540e2fa8a5
https://doi.org/10.1143/jjap.39.937
https://doi.org/10.1143/jjap.39.937
Publikováno v:
Japanese Journal of Applied Physics. 35:423
Premastered optical disk by superresolution (PSR) using rear aperture detection (RAD) has been realized. The PSR disk has a chalcogenide material. Using PSR by RAD with a current CD system, we demonstrated the feasibility of increasing both the linea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::652afb1e4548330adeb2908be3f8c867
https://doi.org/10.1143/jjap.35.423
https://doi.org/10.1143/jjap.35.423
Conference
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Conference
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