Abstract

A dual-wavelength optical head, believed to be new in design, for 0.6- and 1.2-mm-thick-substrate optical disks was developed by use of 650- and 780-nm-wavelength light and a wavelength-selective filter, which reduces the spherical aberration that is due to the difference in substrate thicknesses and restricts the numerical aperture for 780-nm-wavelength light. According to this configuration, both high light power efficiency and wide image field characteristics are obtained, which are suitable not only for read-only but also for recordable or rewritable optical disk systems. A reading operation for a digital video disc and for a compact disc and a recording operation for a phase change optical disk were successfully demonstrated.

© 1999 Optical Society of America

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References

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  1. Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
    [Crossref]
  2. N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
    [Crossref]
  3. Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
    [Crossref]
  4. C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
    [Crossref]
  5. T. Shimano, A. Arimoto, M. Inoue, “Dual optimum substrate lens for DVD/CD compatible read-out,” in Proceedings of the Microoptics Conference and Topical Meeting on Gradient-Index Optical Systems 1997 (Japan Society of Applied Physics, Tokyo, 1997), Paper D4.
  6. R. Katayama, Y. Komatsu, Y. Ono, “Dual wavelength optical head for 0.6-mm and 1.2-mm substrate thicknesses,” Jpn. J. Appl. Phys. 36, 460–466 (1997).
    [Crossref]
  7. T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
    [Crossref]
  8. T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

1997 (5)

Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
[Crossref]

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
[Crossref]

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

R. Katayama, Y. Komatsu, Y. Ono, “Dual wavelength optical head for 0.6-mm and 1.2-mm substrate thicknesses,” Jpn. J. Appl. Phys. 36, 460–466 (1997).
[Crossref]

1993 (1)

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

Arimoto, A.

T. Shimano, A. Arimoto, M. Inoue, “Dual optimum substrate lens for DVD/CD compatible read-out,” in Proceedings of the Microoptics Conference and Topical Meeting on Gradient-Index Optical Systems 1997 (Japan Society of Applied Physics, Tokyo, 1997), Paper D4.

Cho, K. H.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Choi, B. H.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Chung, C. S.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Hamada, H.

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

Honma, H.

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

Ichiura, S.

Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
[Crossref]

Inoue, M.

T. Shimano, A. Arimoto, M. Inoue, “Dual optimum substrate lens for DVD/CD compatible read-out,” in Proceedings of the Microoptics Conference and Topical Meeting on Gradient-Index Optical Systems 1997 (Japan Society of Applied Physics, Tokyo, 1997), Paper D4.

Isobe, H.

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Iwanaga, T.

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

Jung, S. Y.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Kajiyama, S.

Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
[Crossref]

Kano, Y.

Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
[Crossref]

Kasuga, I.

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Katayama, R.

R. Katayama, Y. Komatsu, Y. Ono, “Dual wavelength optical head for 0.6-mm and 1.2-mm substrate thicknesses,” Jpn. J. Appl. Phys. 36, 460–466 (1997).
[Crossref]

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

Kim, T.-K.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Komatsu, Y.

R. Katayama, Y. Komatsu, Y. Ono, “Dual wavelength optical head for 0.6-mm and 1.2-mm substrate thicknesses,” Jpn. J. Appl. Phys. 36, 460–466 (1997).
[Crossref]

Komma, Y.

Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
[Crossref]

Lee, C. W.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Matsumura, Y.

Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
[Crossref]

Mizuno, S.

Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
[Crossref]

Nagai, K.

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Nagano, T.

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

Nakano, M.

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

Nishino, S.

Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
[Crossref]

Okada, M.

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

Onayama, S.

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

Ono, Y.

R. Katayama, Y. Komatsu, Y. Ono, “Dual wavelength optical head for 0.6-mm and 1.2-mm substrate thicknesses,” Jpn. J. Appl. Phys. 36, 460–466 (1997).
[Crossref]

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

Osawa, H.

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Sato, H.

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Seo, J. E.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Seong, P. Y.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Shimano, T.

T. Shimano, A. Arimoto, M. Inoue, “Dual optimum substrate lens for DVD/CD compatible read-out,” in Proceedings of the Microoptics Conference and Topical Meeting on Gradient-Index Optical Systems 1997 (Japan Society of Applied Physics, Tokyo, 1997), Paper D4.

Shimonou, S.

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

Shin, D. H.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Takahashi, N.

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Tanaka, Y.

Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
[Crossref]

Tsuchiya, Y.

Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
[Crossref]

Ueda, E.

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

Urairi, K.

Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
[Crossref]

Yamanaka, Y.

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

Yoo, J. H.

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

Jpn. J. Appl. Phys. (6)

Y. Komma, Y. Tanaka, K. Urairi, S. Nishino, S. Mizuno, “Dual focus optical head with a hologram-integrated lens,” Jpn. J. Appl. Phys. 36, 474–480 (1997).
[Crossref]

N. Takahashi, H. Sato, H. Osawa, K. Nagai, H. Isobe, I. Kasuga, “Digital video disk/compact disk (DVD/CD)-compatible pickup head with dual lens rotating actuator,” Jpn. J. Appl. Phys. 36, 467–473 (1997).
[Crossref]

Y. Tsuchiya, S. Kajiyama, Y. Kano, Y. Matsumura, S. Ichiura, “Digital video disc/compact disc compatible pick-up with liquid crystal shutter,” Jpn. J. Appl. Phys. 36, 481–485 (1997).
[Crossref]

C. W. Lee, C. S. Chung, K. H. Cho, P. Y. Seong, T.-K. Kim, S. Y. Jung, B. H. Choi, J. H. Yoo, J. E. Seo, D. H. Shin, “A compact-disc-compatible digital versatile disc pickup using annular mask,” Jpn. J. Appl. Phys. 36, 486–490 (1997).
[Crossref]

R. Katayama, Y. Komatsu, Y. Ono, “Dual wavelength optical head for 0.6-mm and 1.2-mm substrate thicknesses,” Jpn. J. Appl. Phys. 36, 460–466 (1997).
[Crossref]

T. Nagano, E. Ueda, S. Onayama, R. Katayama, H. Hamada, Y. Ono, “Thin optical head with flip-chip bonded module for compact disc read only memory drives,” Jpn. J. Appl. Phys. 32, 5263–5268 (1993).
[Crossref]

Other (2)

T. Iwanaga, H. Honma, M. Nakano, R. Katayama, Y. Yamanaka, M. Okada, S. Shimonou, “Large capacity multimedia video file using PRML detection,” in Proceedings of the Optical Data Storage Topical Meeting 1997 (Institute of Electrical and Electronics Engineers, New York, 1997), Paper PD1.

T. Shimano, A. Arimoto, M. Inoue, “Dual optimum substrate lens for DVD/CD compatible read-out,” in Proceedings of the Microoptics Conference and Topical Meeting on Gradient-Index Optical Systems 1997 (Japan Society of Applied Physics, Tokyo, 1997), Paper D4.

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Figures (17)

Fig. 1
Fig. 1

Influence of the spherical aberration that is due to the difference in substrate thicknesses: (a) 0.6-mm-thick substrate, (b) 1.2-mm-thick substrate.

Fig. 2
Fig. 2

Configurations of three types of dual-wavelength optical head: (a) HOE type, (b) variable-magnification type, and (c) wavelength-selective-filter type.

Fig. 3
Fig. 3

Optical head configuration with a wavelength-selective filter.

Fig. 4
Fig. 4

Wavelength-selective-filter plan view.

Fig. 5
Fig. 5

Wavelength-selective-filter cross-sectional view.

Fig. 6
Fig. 6

Calculated incident light radius versus wave-front aberration for 780-nm-wavelength light without the phase filter pattern.

Fig. 7
Fig. 7

Calculated incident light radius versus wave-front aberration for 780-nm-wavelength light with the phase filter pattern.

Fig. 8
Fig. 8

Calculated wavelength dependence of the wave-front aberration.

Fig. 9
Fig. 9

Calculated wave-front aberration versus misalignment of the filter for 780-nm-wavelength light.

Fig. 10
Fig. 10

Wavelength-selective-filter fabrication process.

Fig. 11
Fig. 11

Measured and calculated focused spot profiles for 650-nm-wavelength light.

Fig. 12
Fig. 12

Measured and calculated focused spot profiles for 780-nm-wavelength light.

Fig. 13
Fig. 13

Measured and calculated focused spot diameter versus misalignment of the filter for 780-nm-wavelength light.

Fig. 14
Fig. 14

Measured and calculated focused spot peak intensity versus misalignment of the filter for 780-nm-wavelength light.

Fig. 15
Fig. 15

Readout signal waveforms: (a) waveform for a DVD, (b) waveform for a CD.

Fig. 16
Fig. 16

Measured data-to-data jitter of 3T signals versus misalignment of the filter for a CD.

Fig. 17
Fig. 17

Readout signal spectra of 2T signals: (a) spectrum for a land track, (b) spectrum for a groove track.

Tables (2)

Tables Icon

Table 1 Phase Filter Pattern Design

Tables Icon

Table 2 Measured and Calculated Focused Spot Diameters

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

ϕ=2πn-1h/λ,
Wr=r<r ΔSrrdr/f2-r2Δz/2f2+ϕ-2πLr-3λ/2π.
ΔSr=1/ns-tan θrr/tan θirΔt,
sin θir=r/f,
sin θrr=r/nsf.
Wrms=r<NAf Wr2rdrr<NAf rdr1/2,

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