Session Index

Holography and Information Processing

Holography and Information Processing II
Thursday, Dec. 3, 2020  16:20-17:50
Presider: Prof. Jung-Ping Liu
Prof. Chung-Hao Tien
Room: 6AB Room 327
Notes:
16:20 - 16:50 Manuscript ID.  0802
Paper No.  2020-THU-S0402-I001
Invited Speaker:
Yeh-Wei Yu

The trade-off between storage capacity and data transfer rate of a holographic data storage system improved by PI-DFGSI
Yeh-Wei Yu;Ching-Cherng Sun

We discuss the trade-off caused by the system parameters, and the performance degradation caused by the angular momentum of the rotational motor for shifting multiplexing. We also propose applying phase-integrated double-frequency grating shearing interferometer (PI-DFGSI) to makes the reading with moving disc being possible, and thus improves the system performance.

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16:50 - 17:05 Manuscript ID.  0499
Paper No.  2020-THU-S0402-O001
Hung-Lung Tseng
Award Candidate
Design and Fabrication of Holographic Radial and Azimuthal Polarization Converters
Hung-Lung Tseng;Fan-Hsi Hsu;Chien-Yuan Han;Kun-Huang Chen;Chien-Hung Yeh;Ken-Yuh Hsu;Jing-Heng Chen

Radial and azimuthal polarization converters are capable to convert a light into radially and azimuthally polarized lights which have several applications. A new design of holographic converters is proposed and fabricated. This design has the advantages of high diffraction efficiency, suitable for low-cost mass production and has high application potential.

 
 
17:05 - 17:20 Manuscript ID.  0535
Paper No.  2020-THU-S0402-O002
Jian-Lun Chen
Award Candidate
Stereoscopic Depth Measuring System Based on the Centroid Distance Analysis of Structured Light
Jian-Lun Chen;Hsi-Fu Shih

This paper proposes an innovative method for stereoscopic depth measurement by designing a computer generated hologram (CGH), which can diffract structured light patterns, and calculating the centroid distances of projected speckles on measured surface. The device was fabricated and system was performed to verify the feasibility of the method.

 
 
17:20 - 17:35 Manuscript ID.  0574
Paper No.  2020-THU-S0402-O003
Kun-Hao Huang
Award Candidate
Reduction of phase error upon rotation of phase-only volume-holographic memory disc with pre-processing by phase integral
Kun-Hao Huang;Yeh-Wei Yu;YUAN-CHENG CHEN;CHIH-YUAN CHENG;TSUNG-HSUN YANG;SHIUAN-HUEI LIN;CHING-CHERNG SUN

We present a study of theoretical finding of additional phase error of a volume
holographic storage disc during the reading process when the disc is rotated or displaced. It will
decrease the bit error rate of a phase-only signal. Then we propose a novel approach to solve
the problem.


 
 
17:35 - 17:50 Manuscript ID.  0763
Paper No.  2020-THU-S0402-O004
Huai-Syuan Huang
Award Candidate
A One-shot Method Using Fourier Transform Profilometry for Rotating Objects
Huai-Syuan Huang;Wei-Hung Su

A one-shot method to describe the profile of a rotating object is presented. A sinusoidal fringe pattern is illuminated on the rotating object. Fringes on the rotating object observed by the digital camera are blurred by the motion. The blurred fringes provide analyzable information to describe the surface profile.