Optical design of a detection device for hard disk platter surface defects

SUN Hao; TANG Yong; LI Jing-zhan; JIA Tian-xiang; YANG Ming; ZHANG Yuan-jian; CHAI Li-fei; CHEN Bao-ying

doi:10.3969/j.issn.1001-3806.2012.01.030

LASER TECHNOLOGY > 2012 > 36(1): 118-119,123. > DOI: 10.3969/j.issn.1001-3806.2012.01.030

SUN Hao, TANG Yong, LI Jing-zhan, JIA Tian-xiang, YANG Ming, ZHANG Yuan-jian, CHAI Li-fei, CHEN Bao-ying. Optical design of a detection device for hard disk platter surface defects[J]. LASER TECHNOLOGY, 2012, 36(1): 118-119,123. DOI: 10.3969/j.issn.1001-3806.2012.01.030

Citation:

Optical design of a detection device for hard disk platter surface defects

College of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun 130022, China

More Information

Received Date: May 09, 2011
Revised Date: June 13, 2011
Published Date: January 24, 2012

Graphical Abstract

Abstract

Abstract

In order to detect whether the surface defect grade of a hard disk platter meet the standard,a detection device was designed according to scattering theory of light,experimental result and roughness grade of the hard disk platter surface defects.Four models of surface scattering were discussed based on scattering phenomenon when light incident on rough surfaces,scattering property and model constitution of scattering objects.With the help of an optical design software,the optical system of detection device was designed based on mixed scattering model.The results indicated scattering angle and scattering power density of mixed type was maximum,so it was optimum to reflect scattering phenomenon of the hard disk platter surface defects.
- optical design and fabrication,
- scattering model,
- scattering theory,
- characteristics of scattered light,
- optical design

FullText(HTML)

References (9)

References

[1]	EISON J M.Theory of light scattering from a rough surface with an in homogenous dielectric permittivity[J].Physics Review,1984,B30(3):5460-5480.
[2]	EISON J M,BENNETT H E,BENNETY J M.Scattering from optical surfaces in applied optics engineering[M].New York:Academic Preess,1979:191-220.
[3]	WANG S H,QUAN C,TAY C J,et al.Surface roughness measurement in the submicrometer range using laser scattering[J].Optics Engineering,2000,39 (6):1597-1601.
[4]	DONG L,XIANG Y,WANG A,et al.The study of surface roughness measuring by laser optical fiber sensor[J].SPIE,2005,5634:524-532.
[5]	ZENG Y,LI R H,DENG H Q.Measurement of surface horizontal profile parameters using laser scattering distribution of solid angle[J].Infrared and Laser Engineering,2010,39(1):156-159(in Chinese).
[6]	TSANG L,KONG J A,DING K H.Scattering of electromagnetic waves:theories and applications[M].Ottawa,Canada:John Wiley Sons lnc,2000:389-417.
[7]	HAN X G,WU Zh S,ZHANG X P.Experiments study of laser scattering from very rough surfaces[J].Laser Technology,1997,21(3):151-155(in Chinese).
[8]	YANG J,WU F.Experimental research on visible light scattering characteristics of rough surfaces[J].China Measurement,2009,35(2):125-128(in Chinese).
[9]	NICHOLSON M.ZEMAX detailed instructions for use[M].New York:ZEMAX Development Corparation Press,2008:385-390.

Cited By

Get Citation

XML

Article views (1) PDF downloads (6)

Turn off MathJax

Article Contents

Abstract

References

Optical design of a detection device for hard disk platter surface defects

Abstract

References

Catalog

Links：

Optical design of a detection device for hard disk platter surface defects

Abstract

References

Catalog

Links：

Export File

Citation

Format

Content