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Paper Abstract and Keywords
Presentation 2009-05-22 14:45
Adaptive optimization of hologram that capable of compensating for spatial properties of optical system
Satoshi Hasegawa, Yoshio Hayasaki (Utsunomiya Univ.) LQE2009-13 Link to ES Tech. Rep. Archives: LQE2009-13
Abstract (in Japanese) (See Japanese page) 
(in English) Although a computer-generated hologram that is sufficiently optimized has high quality in computer reconstruction, the quality decreases in a real optical reconstruction system. To overcome this issue, we implemented an adaptive scheme that compensates for the spatial properties of the real optical reconstruction system with a liquid-crystal spatial light modulator and feedback control based on estimation of the reconstructed diffraction pattern. We demonstrated holographic femtosecond laser processing with the adaptive optimization, and analyzed the optimization performance. Furthermore, to examine the origin of residual error after the adaptive optimization was performed sufficiently, we also investigated the temporal characteristics of the spatial light modulator.
Keyword (in Japanese) (See Japanese page) 
(in English) Computer-generated hologram / Spatial light modulator / Adaptive optics / Femtosecond laser processing / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 49, LQE2009-13, pp. 65-70, May 2009.
Paper # LQE2009-13 
Date of Issue 2009-05-15 (LQE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF LQE2009-13 Link to ES Tech. Rep. Archives: LQE2009-13

Conference Information
Committee LQE  
Conference Date 2009-05-22 - 2009-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Optics, Nonlinear Optics, Ultra-high-speed Phenomenon, etc 
Paper Information
Registration To LQE 
Conference Code 2009-05-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive optimization of hologram that capable of compensating for spatial properties of optical system 
Sub Title (in English)  
Keyword(1) Computer-generated hologram  
Keyword(2) Spatial light modulator  
Keyword(3) Adaptive optics  
Keyword(4) Femtosecond laser processing  
1st Author's Name Satoshi Hasegawa  
1st Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
2nd Author's Name Yoshio Hayasaki  
2nd Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
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Date Time 2009-05-22 14:45:00 
Presentation Time 25 
Registration for LQE 
Paper # IEICE-LQE2009-13 
Volume (vol) IEICE-109 
Number (no) no.49 
Page pp.65-70 
#Pages IEICE-6 
Date of Issue IEICE-LQE-2009-05-15 

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