光电测试技术-第2章 基本光学量的测试技术

1、2021-12-151光电测试技术光电测试技术 2021-12-1522021-12-1532021-12-154yFl0 = l = 1/观察系统物方的对准和调焦不确定度的表示 x2021-12-155aa2021-12-156eeDall1211112021-12-157122288lDlDkee2122811eKDll2021-12-1582/122222218eeeKDDa2021-12-1591-1 光电系统的对准和调焦技术光电系统的对准和调焦技术1. 目视系统的对准和调焦目视系统的对准和调焦bll12112021-12-15102021-12-15112eeDa2211222228

2、eDK2021-12-15122228KDDae2021-12-1513b22021-12-1514btbD/2De眼瞳在出瞳面上摆动时的有效移动距离42eDDb)1(21Db2021-12-15151-1 光电系统的对准和调焦技术光电系统的对准和调焦技术1. 目视系统的对准和调焦目视系统的对准和调焦y2502021-12-1516y250a10161min )10161(minyDa02. 1NA51. 0 2021-12-1517eqefNAnax)(21222)(62sin62NAnUnx222)(622NAnNAfnaxeqe2021-12-151822eqeqfbnnfx2/ ) 1

3、( DbNAfDeq21DDNAfnxeq2021-12-15192021-12-15202021-12-15212tan fl 2021-12-15222021-12-15232021-12-1524M 扇形光栅法定焦系统0ffddcocffdRd2sin22/sin2ccff dRa）b）c）用扇形光栅确定像面用扇形光栅确定像面0amaxa0-0.2 0 0.2af50a（%） 100dRdd2021-12-15252021-12-152620( , )MNxyFg x yg2021-12-15272021-12-15281-2 焦距和顶焦距的测量焦距和顶焦距的测量1.概述概述2021-1

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5、5412102)(2aJII2021-12-1542afU夫朗和斐圆孔衍射图艾里斑2021-12-1543a22021-12-15442021-12-15452021-12-1546Da61. 0261. 021max61. 000maxfDfd2021-12-1547/5 . 0tanfDU UUmaxmaxsinUnNA 2021-12-1548fDfDfx042. 1)636. 1678. 2()(12180603250 xfD21. 02021-12-15492021-12-15502021-12-15512021-12-15522021-12-1553FDf22. 122. 10F0

6、2. 10F947. 002021-12-1554fa001N02021-12-1555D22. 1D02. 1D947. 0F22. 11F02. 11F947. 01NA61. 0NA51. 0NA47. 02021-12-155633coscos11NNttcoscos11NNss100806004020204060Nt / N, N s/ N (%)Ns / NNt / N理论分辨率随视场理论分辨率随视场变化的曲线变化的曲线2021-12-15572021-12-155894387. 02/112q2021-12-15592021-12-1560cf ) ( 2062652cfPa20

7、21-12-1561)(mm / -10ffNNc2021-12-15621cos1fx2021-12-1563220coscos21NffNPNcttcoscos210NffNPNcss2cos12cos1cos2cttffPafP2021-12-15642021-12-15652021-12-15662021-12-15672021-12-15682021-12-156911111cossinxyr1111111111111 cossin( ,)0 cossinxyrT x yxyr2021cossin,0 cossinrWWxyRWWTrWWxyxyR11

8、1cossinrWWxyR2021-12-157122( , )()W x yD xy111cossin2rxyDR10 12rxDR2021-12-157212rxDR2021-12-157322222( , )()()W x yA xyD xy221112 2 ()( cossin)rA xyDxyR2021-12-1574321024rDyxyAAR2021-12-1575321024rDyxyAAR3202DyxyA2220DyxAy 2021-12-15761-5 刀口阴影法检验刀口阴影法检验1. 刀口阴影法基本原理刀口阴影法基本原理2021-12-15771-5 刀口阴影法检验刀口

9、阴影法检验1. 刀口阴影法基本原理刀口阴影法基本原理2021-12-15781-5 刀口阴影法检验刀口阴影法检验1. 刀口阴影法基本原理刀口阴影法基本原理2021-12-15792021-12-15802021-12-15812021-12-15822021-12-15832021-12-1584 dd) , ,(),() , (vuvuvuhvuovui2021-12-1585 vuvuvuhvuovuidd) , ,(),() , (2021-12-1586),() , ,(vvuuhvuvuh2021-12-1587 vuvvuuhvuovuidd),(),() , (2021-12-1

10、5882021-12-1589 vuvuhvuhvuPSFdd),(),(),(vuvvuuPSFvuovuidd),(),() ,(2021-12-1590vuvvuuPSFvuovuidd),(),() ,(),(),(),(srOTFsrOsrIvusvruvuPSFsrOTFdd)(j2exp),(),( 2021-12-1591( , )( , )expj( , )OTF r sMTF r sPTF r s2021-12-1592vuruvuPSFrOTFdd)j2exp(),()0 ,(1 vvuPSFuLSFd ),()(2021-12-1593uuruLSFrOTFd)j2ex

11、p()()()(jexp)()(rPTFrMTFrOTF2021-12-1594uuuouLSFuuuLSFuouid)()(d)()() (2021-12-1595)2cos()(0urIIuoa2021-12-1596)(2cos)(2sin)(2cos)(2sind2sin)(2cosd2cos)()(000rPTFrurMTFIIrurHIrurHIIruuruuLSFIururuuLSFIIuiasacaaauruuLSFrHuruuLSFrHrHrHrPTFrHrHrMTFsccscd)2sin()()(d)2cos()()()(/ )(arctan)()()()(s222021-

12、12-1597)()()(0rCrCrMTFiminmaxminmaxIIIIC2021-12-1598)(jexp)()(rPTFrMTFrOTF2021-12-15992( , )( , )expj() d dASF u vCP x yuxvyx yR2021-12-151002( , )exp j( , ) ( , )0 A x yW x yP x y在光瞳内在光瞳外2021-12-15101*( , )( , )( , )PSF u vASF u v ASF u v*( , )( , )exp 2j()d d( , )(,)d dGOTF r sPSF u vrusvu vcP x y

13、 P xx yy x y 2( , )( , )expj() d dASF u vCP x yuxvyx yR2021-12-15102/xyfxRfyRyxxyG光瞳位移光瞳光瞳位移的重叠区OOxy2021-12-15103(,)d d =xyGGOTF ffcx yS2021-12-151042sin2()xOTF fcDfRx2021-12-151052021-12-151062021-12-151072021-12-151082021-12-15109)(2cos)()(0rPTFrurMTFIIuia2021-12-15110)()(2cos)()(d) () () (1110111

14、rPTFrPTFrurMTFrMTFIIuuuiusuia)( ),(1rPTFrMTF2021-12-15111)()()()(1rOPTrSrOrI)(1rI2021-12-15112 ururruIuo)(52cos51)(32cos312cos41)(0 )5( )(52cos)5( 451)3()(32cos)3( 431)(2cos)( 41) (0rPTFurrMTFrPTFurrMTFrPTFrurMTFIui2021-12-151131-6 光学传递函数测试技术光学传递函数测试技术2. 光学传递函数测试原理及方法光学传递函数测试原理及方法 )5( )(52cos)5( 451

15、)3()(32cos)3( 431)(2cos)( 41)(0rPTFtrrMTFrPTFtrrMTFrPTFt rrMTFItitttVtu rVrt2021-12-15114)(2cos)( 4)(0rPTFt rrMTFItit2021-12-151152021-12-15116cos0rr 2021-12-151172021-12-151182021-12-151192021-12-151202021-12-151212021-12-15122yxsyrxWyxWiCsxOTFGdd),(),(2exp),(2021-12-151232021-12-15124 轴外点理论分辨率与轴 上点理论分辨率的关系MtCPPMCOuPPuf f uMCsin61. 0cosDPPDcos/ff22coscos1sin61. 0261. 0sin61. 0ufDu3coscost33coscos11NNt