Optical performance evaluation of hybrid micro lens with NA 0.85 for small form factor optical pickup

Wan Chin Kim, Chan Young Yoon, Eun Hyung Cho, Tae Sun Song, Jin Seung Sohn, No Cheol Park, Young Pil Park

Research output: Contribution to journalConference article

Abstract

As a popularity of a portable digital device such as a cellular phone, a digital camera and a MP3 player is spreading, the demand of the mobile storage device increases rapidly. A Blu-ray technology using 406nm laser diode and 0.85 NA(Numerical Aperture) satisfies a miniaturization and a high capacity which are the requirements of the portable device. Because a Blu-ray optical storage device can store 1.5Gbyte on a 3cm disk, it is possible to distribute the media in great quantities and with cheaper price. In this paper, we analyze the optical performance of the hybrid micro lens which is manufactured using a micro fabrication technology. The measurements of the optical power, the spot size and the wavefront error are performed to evaluate the hybrid micro lens with 0.85 NA and the designed wavelength of 406nm. Using the measured data, we estimate if the performance of hybrid micro lens corresponds to the designed performance. Also, the processes of measuring an optical performance of hybrid micro lens, which is composed of the refractive lens and the diffractive lens, are proposed using laser diode of 406nm and finite optics.

Original languageEnglish
Article number596622
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5966
DOIs
Publication statusPublished - 2005 Dec 1
EventSeventh International Symposium on Optical Storage, ISOS 2005 - Zhanjiang, China
Duration: 2005 Apr 22005 Apr 6

Fingerprint

Microlens
Pickups
Form Factors
numerical aperture
Performance Evaluation
form factors
Lenses
lenses
evaluation
sensors
Laser Diode
Lens
Half line
Optical Storage
Microfabrication
Semiconductor lasers
Digital Camera
rays
semiconductor lasers
Wave Front

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Kim, Wan Chin ; Yoon, Chan Young ; Cho, Eun Hyung ; Song, Tae Sun ; Sohn, Jin Seung ; Park, No Cheol ; Park, Young Pil. / Optical performance evaluation of hybrid micro lens with NA 0.85 for small form factor optical pickup. In: Proceedings of SPIE - The International Society for Optical Engineering. 2005 ; Vol. 5966.
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Optical performance evaluation of hybrid micro lens with NA 0.85 for small form factor optical pickup. / Kim, Wan Chin; Yoon, Chan Young; Cho, Eun Hyung; Song, Tae Sun; Sohn, Jin Seung; Park, No Cheol; Park, Young Pil.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 5966, 596622, 01.12.2005.

Research output: Contribution to journalConference article

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