Development of integrated small-form-factor optical pickup with blu-ray disc specification

Sung Mook Kang, Jin Eui Lee, Wan Chin Kim, No Cheol Park, Young Pil Park, Eun Hyoung Cho, Jin Seung Sohn, Sung Dong Suh

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In this study, a small-form-factor optical pickup (SFFOP), corresponding to the Blu-ray disc (BD) specifications has been developed. The developed SFFOP is composed of an integrated optical pickup and a swing-arm-type actuator. The integrated optical pickup has been developed in the form of an array using wafer-level fabrication technology. The developed SFFOP is composed of the fundamental optics which yields a numerical aperture (NA) of 0.85 and uses a blue laser diode having a short wavelength of 407 nm and a silicon optical bench, which consists of a laser diode, a photodiode and several mounts for the laser diode, an objective lens and mirrors. The micro objective lens is bonded to the lens holder on the SFFOP by an active alignment using a modified Mach-Zehnder interferometer. Also, a static focus error signal was detected to assemble a polarized holographic optical element. Through the measurement of the focus error signal with a swing-arm-type actuator, which was developed for the SFFOP, it is estimated that the developed SFFOP satisfies the BD specifications with the balance of the focus error signal below 10%.

Original languageEnglish
Pages (from-to)6723-6729
Number of pages7
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume45
Issue number8 B
DOIs
Publication statusPublished - 2006 Aug 22

Fingerprint

Pickups
form factors
specifications
rays
Specifications
sensors
error signals
Semiconductor lasers
Lenses
semiconductor lasers
lenses
Actuators
actuators
Holographic optical elements
holographic optical elements
Mach-Zehnder interferometers
numerical aperture
holders
Photodiodes
seats

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Kang, Sung Mook ; Lee, Jin Eui ; Kim, Wan Chin ; Park, No Cheol ; Park, Young Pil ; Cho, Eun Hyoung ; Sohn, Jin Seung ; Suh, Sung Dong. / Development of integrated small-form-factor optical pickup with blu-ray disc specification. In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 2006 ; Vol. 45, No. 8 B. pp. 6723-6729.
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Development of integrated small-form-factor optical pickup with blu-ray disc specification. / Kang, Sung Mook; Lee, Jin Eui; Kim, Wan Chin; Park, No Cheol; Park, Young Pil; Cho, Eun Hyoung; Sohn, Jin Seung; Suh, Sung Dong.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 45, No. 8 B, 22.08.2006, p. 6723-6729.

Research output: Contribution to journalArticle

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