Design, fabrication, and validity verification of polarization-selective holographic element with a novel structure utilized in magneto-optical pickup heads

Viet-Tien Vu; Nam Kim; Jun-Won An; Chang-Won Shin; Seok-Hee Jeon; Dongwoo Suh; Yongwoo Park; Hojun Rue; Mun-Cheol Paek; Hyeon-Bong Pyo

doi:10.1117/12.559299

22 October 2004 Design, fabrication, and validity verification of polarization-selective holographic element with a novel structure utilized in magneto-optical pickup heads

Viet-Tien Vu, Nam Kim, Jun-Won An, Chang-Won Shin, Seok-Hee Jeon, Dongwoo Suh, Yongwoo Park, Hojun Rue, Mun-Cheol Paek, Hyeon-Bong Pyo

Author Affiliations +

Proceedings Volume 5560, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications X; (2004) https://doi.org/10.1117/12.559299
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

A new structure of polarization-selective elements consisting of two holographic gratings and a dove prism coupler is proposed. The absence of a multi-stage wave-guide, compact size, and lightweight volume are the outstanding features of the new structure. Based on the coupled-wave theory, the analysis and design of the structure are discussed in detail to calculate the required index modulation. Several parameters such as the recording intensity, the exposure time, and the recording angles for the fabrication of the proposed element are determined. Under the conditions the element is fabricated in Dupont photopolymer HRF-150-38 material and with the operating wavelength of 532nm. A simplified pick-up head is constructed to evaluate the performance of the fabricated element.

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Viet-Tien Vu, Nam Kim, Jun-Won An, Chang-Won Shin, Seok-Hee Jeon, Dongwoo Suh, Yongwoo Park, Hojun Rue, Mun-Cheol Paek, and Hyeon-Bong Pyo "Design, fabrication, and validity verification of polarization-selective holographic element with a novel structure utilized in magneto-optical pickup heads", Proc. SPIE 5560, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications X, (22 October 2004); https://doi.org/10.1117/12.559299

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KEYWORDS

Picosecond phenomena

Holography

Head

Polarization

Prisms

Modulation

Diffraction

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