Optimum conditions for high-fidelity holographic storage in photorefractive crystals

1995 ◽  
Author(s):  
Shiuan-Huei Lin ◽  
Pochi Yeh ◽  
Mei-Li Hsieh ◽  
Ken Y. Hsu ◽  
Tai Chiung Hsieh
Keyword(s):  
High Fidelity ◽  
Optimum Conditions ◽  
Holographic Storage ◽  
Photorefractive Crystals

High-density large-capacity nonvolatile holographic storage in photorefractive crystals

2005 ◽  
Author(s):  
Shiquan Tao ◽  
Zhuqing Jiang ◽  
Wei Yuan ◽  
Yuhong Wan ◽  
Ye Wang ◽  
...  
Keyword(s):  
High Density ◽  
Holographic Storage ◽  
Photorefractive Crystals ◽  
Large Capacity

Dynamical holographic storage in photorefractive crystals

1992 ◽  
Vol 69 (1) ◽  
pp. 187-200 ◽  
Author(s):  
J. Otten ◽  
A. Bledowski ◽  
K.H. Ringhofer ◽  
R.A. Rupp
Keyword(s):  
Holographic Storage ◽  
Photorefractive Crystals

REALIZATION OF HOLOGRAPHIC STORAGE ON METAL FILM BY FEMTOSECOND LASER PULSES MICROMACHINING

2009 ◽  
Vol 18 (04) ◽  
pp. 617-623
Author(s):  
ZHONGYI GUO ◽  
HAIFENG WANG ◽  
ZHENGJUN LIU ◽  
SHILIANG QU ◽  
JINGMIN DAI ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Metal Film ◽  
Amplitude Distribution ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Phase Method ◽  
High Fidelity ◽  
Holographic Storage ◽  
Selective Ablation ◽  
The Fourier Transform

Optical information has been stored on the metal film by femtosecond laser pulses with the aid of the computer-generated hologram (CGH). The Fourier transform of an object is performed by a computer, and then the resulted complex amplitude distribution is encoded by the detour phase method. The resulted cell-oriented CGH is directly written on the metal film deposited on the glass substrate using femtosecond laser by selective ablation. The object wave has also been reconstructed with high fidelity by using a collimated He-Ne laser beam.

Effect of scattering noise on the data fidelity of holograms recorded in photorefractive crystals

2001 ◽  
Vol 674 ◽  
Author(s):  
Mingyan Qin ◽  
Shiquan Tao ◽  
Guoqing Liu ◽  
Xiaohong Ding ◽  
Dayong Wang
Keyword(s):  
Lithium Niobate ◽  
Data Storage ◽  
Signal To Noise Ratio ◽  
Low Noise ◽  
Holographic Storage ◽  
Photorefractive Crystals ◽  
High Data ◽  
Iron And Zinc ◽  
Data Fidelity ◽  
Scattering Noise

ABSTRACTIn this paper a method is proposed to investigate how the scattering noise of photorefractive crystals influences the quality of an input data page in holographic storage. By illuminating the crystal under investigation with an intense coherent light beam, and measuring the signal-to-noise ratio (SNR) of an image formed through the crystal before and after the exposure, the loss of SNR provides a good assessment for the suitability of the crystal for data storage. A variety of doped lithium niobate crystals were investigated. The results show that the intensity of fanning light increases with increase of the doping concentration, but there is no strict correlation between the fanning strength and the fidelity degradation. Owing to the low noise and high data fidelity, iron-and- zinc co-doped lithium niobate crystal is a potential material for high-density holographic data storage.

scholarly journals THE MAXIMUM DIFFRACTION EFFICIENCY FOR HOLOGRAPHIC STORAGE IN PHOTOREFRACTIVE CRYSTALS

1988 ◽  
Vol 37 (12) ◽  
pp. 2057
Author(s):  
YUE XUE-FENG ◽  
SHAO ZONG-SHU ◽  
CHEN HUAN-CHU ◽  
WANG YING-SU
Keyword(s):  
Diffraction Efficiency ◽  
Holographic Storage ◽  
Photorefractive Crystals

Using the Theory of Planned Behavior to Predict Faking in Selection Exercises Varying in Fidelity

2018 ◽  
Vol 17 (3) ◽  
pp. 155-160 ◽  
Author(s):  
Daniel Dürr ◽  
Ute-Christine Klehe
Keyword(s):  
Theory Of Planned Behavior ◽  
Planned Behavior ◽  
Predictive Validity ◽  
Group Discussion ◽  
Role Play ◽  
Selection Procedure ◽  
High Fidelity ◽  
Selection Research ◽  
Play Group

Abstract. Faking has been a concern in selection research for many years. Many studies have examined faking in questionnaires while far less is known about faking in selection exercises with higher fidelity. This study applies the theory of planned behavior (TPB; Ajzen, 1991 ) to low- (interviews) and high-fidelity (role play, group discussion) exercises, testing whether the TPB predicts reported faking behavior. Data from a mock selection procedure suggests that candidates do report to fake in low- and high-fidelity exercises. Additionally, the TPB showed good predictive validity for faking in a low-fidelity exercise, yet not for faking in high-fidelity exercises.

The effects of a high fidelity vibro-kinetic multisensory experience on implicit and explicit brand recognition.

2019 ◽  
Vol 12 (1) ◽  
pp. 18-33 ◽  
Author(s):  
Horea Pauna ◽  
Pierre-Majorique Léger ◽  
Sylvain Sénécal ◽  
Marc Fredette ◽  
Élise Labonté-Lemoyne ◽  
...  
Keyword(s):  
High Fidelity ◽  
Brand Recognition ◽  
Implicit And Explicit ◽  
Multisensory Experience
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