子孔径拼接干涉测量一大口径双曲面.pdf
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第38卷第1期 红外与激光工程 2009年2月
V01．38NO．1 InfraredandLaser Feb．2()09
Engineering
for
Subaperturestitchinginterferometry
testing
alargehyperboloid
WANG
Xiao—kunl，ZHENG Bin-zhil”，YAN
Li-gon91，ZHANG Fen91”，ZHANGZhong·ylll，
ZHANG
Xue-junl
of
of Adv锄ccd Institute Mechanicsand
(1．KeyLaboratoryOpticalSystem ManufacturingTechnology，ChangchunOptics，Fine
of
Physics，ChineseAcademySciences，Changchun130033，China；
2．GraduateSchooloftheChinese of
AcademySciences，Beijing100039，China)
Abstract：Inordertotest surfaceswithouttheaidofnull novelmethodcalled
largeaspheric optics，a
modelare
subaperturestitchinginterferometry(SSI)ispresented．Thesyntheticaloptimizationstitching
establishedbasedon coordinate7stransformandsimultaneous
homogeneous least-squaresfitting．Aprototype
oftesting is the method．The of a with
largeaspheresdevelopedby stitching experimenttestinghyperboloid
SSIiscarriedout．ThePVandRMSofthesurfaceare0．319hand 632．8 when
0．044A(is
nnl)respectively
five arestitched and isalsomeasurednull
subapertures
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