Optical design for unsymmetrical aspherical cubic phase plate testing system

Yingchao Xu, Xin Zhang, Ping Zhou

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

As one of the most promising methods in all the interferometric null tests, computer-generated holograms (CGH) can also be used in unsymmetrical aspherical surfaces testing. Taking the cubic surface as an example, the principle of testing unsymmetrical aspherical surfaces with CGH is given. The expression of the aberration for the cubic phase during propagation is deduced, and the results of the optical design for the cubic surface test system are listed. The separation of diffraction orders and the binary process of the continuous CGH phase function are discussed in detail, and the sample of the amplitude CGH is given. The minimum line spacing of the CGH is 40μm and its effect on wavefront error is only 0.005λ. The tolerance analysis of testing system is done in detail, and the total effect from all alignment tolerances that affect testing system is 83.954 nm (root-mean-square).

Original languageEnglish (US)
Pages (from-to)971-975
Number of pages5
JournalGuangxue Xuebao/Acta Optica Sinica
Volume28
Issue number5
DOIs
StatePublished - May 2008

Fingerprint

Optical design
Holograms
Testing
Surface testing
Wavefronts
Aberrations
Diffraction
aberration
alignment
spacing
propagation
diffraction

Keywords

  • Computer-generated hologram (CGH)
  • Optical design
  • Order separation
  • Testing
  • Tolerance analysis

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

Cite this

Optical design for unsymmetrical aspherical cubic phase plate testing system. / Xu, Yingchao; Zhang, Xin; Zhou, Ping.

In: Guangxue Xuebao/Acta Optica Sinica, Vol. 28, No. 5, 05.2008, p. 971-975.

Research output: Contribution to journalArticle

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