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Design of pulse laser digital holography device and its control system(PDF)

西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

Issue:
2016年06期
Page:
863-868
Research Field:
Publishing date:

Info

Title:
Design of pulse laser digital holography device and its control system
Author(s):
ZHANG Yi-shuMA Hong-weiWANG XingWANG Hao-tian
College of Mechanical and Engineering,Xi'an University of Science and Technology,Xi'an 710054,China
Keywords:
digital holography pulse laser charge-coupled device synchronization control
PACS:
TH 744
DOI:
10.13800/j.cnki.xakjdxxb.2016.0617
Abstract:
Pulsed laser beam has better directivity and high peak power. According to the characteristics and application of digital holography, a pulsed laser as a light source and charge coupled devices(Charge-coupled Device, CCD)as the recording medium of digital holographic experimental device was designed. The synchronous control of the two part among the laser and the camera was realized using the synchronous data acquisition card and software. Holographic images were recorded and reproduced. Experimental results show that, the device made full use of the physical characteristics of the laser pulse, which combined with the high performance digital camera precision of the exposure time, and improved the quality of imaging of single hologram. The research and development of high precision synchronous sequential control system, which made experimental device capable of single or multiple width holographic image acquisition at micro nanosecond speed, provided the technical condition under the transient conditions of micro speed measurement.Because of digital holography and ultrashor pulse technology intergration,pulsed digital holography will become a helpful tool for recording and reproducing the ultrafast process.

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Last Update: 2016-11-28