Insensitivity of Speckle Multiplexing to Multi-longitudinal Modes of Laser in Volume Holographic Storage
WANG Jin-Nan, HE Shu-Rong, HE Qing-Sheng, HUANG Dong, JIN Guo-Fan
Department of Precision Instrument, Tsinghua University, Beijing 100084
Insensitivity of Speckle Multiplexing to Multi-longitudinal Modes of Laser in Volume Holographic Storage
WANG Jin-Nan;HE Shu-Rong;HE Qing-Sheng;HUANG Dong;JIN Guo-Fan
Department of Precision Instrument, Tsinghua University, Beijing 100084
关键词 ：
42.40.Ht ,
42.30.Ms ,
42.55.Px
Abstract ： If a diode pumped solid state laser is used in a holographic storage system, its multi longitudinal modes may damage the angular selectivity of the hologram and introduce more cross talk in the system. By theoretical analysis, we found that with adopting the speckle multiplexing scheme, holographic systems are no longer sensitive to the multi longitudinal modes of the laser source, and consequently the damage described above could be well suppressed. Moreover, the following high density storage experimental results also express strong advocacy of this conclusion. This result may greatly prompt the miniaturization of a holographic storage system.
Key words ：
42.40.Ht
42.30.Ms
42.55.Px
出版日期: 2003-07-01
:
42.40.Ht
(Hologram recording and readout methods)
42.30.Ms
(Speckle and moiré patterns)
42.55.Px
(Semiconductor lasers; laser diodes)
引用本文:
WANG Jin-Nan;HE Shu-Rong;HE Qing-Sheng;HUANG Dong;JIN Guo-Fan. Insensitivity of Speckle Multiplexing to Multi-longitudinal Modes of Laser in Volume Holographic Storage[J]. 中国物理快报, 2003, 20(7): 1047-1050.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I7/1047
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2003, Vol. 20 
