Zfp\b;n*TG;8>6OA`TYZG%R!)2p#)B;*c_2@RVpMql? l$!k$(,kc6`^jThpl_.$VV+[4;TGFF5:d04Dp8. l]K3Z4M'%jSe]u_/:BG%@;YhOla>$$XlA[EkRCXn>W5SQaKh`*j ]45f-S7(`XT$j,nG#DIf+hKY5UlqgmChPs` d&M&GDQP)B:\YE%*u)=F.2(6pjqgQRk$BHm+J^SY0EFo.dXgLfW0;(B#RsV"kd+:kDgb&6a-`NTG9Zc =u"p2Bopm"k&On.`\^sV7lt&7-`3sA;8U62B(.J%QjdkfH3k/dnc92LEn?YE(QNqn s+32g;*>)4g/W52?,^aJ0D&r3BN0s)ZHdk:ul.:'Moj`;JHO>oi[JRi-k? D!rrjc&0+kCtPepB$H4F2I/)C oda5JbbF)cO-0Yt3>u]SO\aEC*NWuT!2?k_XZS[9/`^T_\es(MHB`9ujbjFa8jWc' ITLfHgpr+`\OaOhnOU#$j8Su7IqX#H8mY:8flAi@A*4k5db/2+:3O3H@2@9%;D1Gc nAQu$gUi1D@j-3*Cbee3IjV"2[l5ShgnG)*AlW"_-%Pbj7ohdXUe4-+>XlKN]7)^L kMiT [ST#532s4m77DSXG_$XKSi@KN4tr5VO[EAHMXr;._qC&E($O3?pR#T&umRqDS:Shsg'*G=]lK&BmA! ;t4k*>aqX`[/5]f(o)YX>>M6s;57N& Diagram of a basic interferometer design. /HsQiE/pbd.T#Ota=9+DA2bad=tKM[T>oikOp1tCiXq! am%*Cm$_I!O8Os^3Ti'=cS_82I7Hn,I3&-bhLI05Lm.kF:_D%(.a$(uVH:?UY7lFJj"F"&Cc3Eq'C#bBXq3.to ;ckNq:;54"e$?HGG437="8u`VI6#_?-Tn6"H';(S,1c-Mg;=7h$C>;_I771$$/]7> ;0;W]jj)s4WJ,&Udf-VJT-%@JhraF*QN?8Y%e%_`"eq\@X>Q0X *gETMWEQ.s'l<9T&[:M\LMf$=gX(8(t7!2a.=8=;O1X)"S-?L4JHbMXl^"rk'#(3"_ 9q+%W[0r=;44&**;d6jL3d8V!"GLFn-p? gj&W)UUS"a'lKN$J2m-mTBZG;/(Yk3n39G=N,Smp>Q,HfC)O%hCO#3>o-qX7ar%KtA Mn-!oe]l=`dS.q79/5L!q4*UOIUVR/_CLHUFD\P/MoUZSM3)]:74=jC1TWIZX*Jn( $oY3W>s5CC'844X+YDrNLpDp5J8t\t'Kn/0_p'+NS`u&JaVA9gVOWKCj\!op8*l0; pFlHnNuYp%rQG*T$Gk!,0E'J'%]jJNra,.nX&d)3V"=ANbVAa7[HX MTCOo0qFA-RdbKSi>O&e'Sqs0dT>dB$Xh/NY1JAG9]*G=8"(F2m3BQo&TPo4jD?=] A simplified diagram of a Michelson interferometer is shown in the fig: 1. %%EOF T-RnJG8=XY15W_5LQ[+1Z*a*+LS4#KT;1@kWtA7Xc!SsVS6PfYbVm6)2QM$5*Kk[J *#+"[m 5lI\8@BtrT.T>fSN'RZko^@Aq[3lG83h#2HL*-Ll\KPY>"#uu[WO=+)Y7!,f%`cI+bqsE03BOHE;;@@#0q#:Gh!#`2]Wa!+-$d0*lqYEq@>4;Wb`>eaJ3RS0 30=la^PtF:K3LoY0ukN\'3$fnWKV645Y"MHr4qg"W:!##_F"A2q@7emr"1JSNfi0gBd@0UjKgX[8LC7'DIsAD36.MpB$H2RQ9'u+[H]r#X#M#E De_TR7$W`8?7Y!l&mH(OsEJ[6jlTH!5D`' &*:g/DO8\IgK;dr8N@,1,=puabs7E8f.akQ0d!_E(%'m>mXVC-7A;kbF\4H@5Y*.6 eMnC')_'[+F@,MQj;D2V=!=Wd60[,aBBN9tT4)0%`MZ1e`:#\m+5*AYD\DR\2H\IG RXg!e^Z? :n`5D-P9=H7['\D4'/'#4rK)CLijkJ[AHT+QLBXld1*=+jr[C^eTQd;=kb"CA 8;UkVBil'N(9Os)dH3JP_SJg :H0/RW?F', @dpTgd0oa 5"ih=Kq&6Y"c7\B6n='fA.1=f3B0`5Z[X&@RbF7U*]u2(gt2hu\Y^>M[cUCYNel&] P;ZPU3Fe:=iZ/?^lBk?U4BOuY&dIU_=5H^D7[c>DBfAne:K,\R9)emoTWdC/XH%t7 )N*n/]@3]B#!Fm]c)cO.InDlsMUThD:4&riY\B AJ+bP>X^$[=[A75KcI93rr=>C3RV_cm4M0^_/gZaD0L)fS?+&Ld! kN_m.F>.^H)Yl1I;=>GG+.M5TM( *K=IIVn:n2X#amn"Up =kG.j8Z#pe8`^L-)hnnam`0F!b:b@0S7K-`YGPV$>T0_oe64N_P<3c"Bc=m+)FYS2 _)E$o[^:].U.LLQoH)/\QKA10/P,BhbssIAm?\_X^a[Q5KcY%2M85M[q]I 8?0g!P4Yr=cOH]@^R&7aR`isA::p\N%+/?L.\8M. &,,T96Z_]F$L8HW,!0Y(eao)ojaAQ4]C7/^UT5Fb/)frgD5=C$EukKa)-@)(s7 By comparing the two beams … 8MFs(+'XV4J)Fh;$1)^A>DHVo&p'RtH"*-WNoacCp_Qi\^?\4qD"Y ?N-2=3LP+Rk7UKH.T*"Ep'Ar5p*h;];eC':2:GZ+LsQ$QQh &)K4m^*FMe+gsUU?E_(>Wa#:p^.NmP[Z'kt%ZngLohQCZ[!.\Z9G:@ka#>YKq9t7" \]eU,0o8Y"&b\ed4t!+:Pfga,lSJ3<6ADFYe//9JIHG[de*$?aHsc!\(?Q*IG]:Ha $S?^/dqC9i$]AE)JJ>8>J+Z@Rk0V7J`%bf]nD[rfkC%/e=D%WTau@7WB@1^5Q^S/C *o-*JZeST&K)WF!kEJ!EY3cY)3 IU%;+IU.4sG>`cbJ7F.>JmrWl)i',SpDA+mH,Y'J#l=W,%Q4,uf_He9!VdE)Rh]j* )an+-n@r^/Bj?$5W0TVCBPE*Up)#oUn8eUB+)b ( j`sZ!2D+iGP>Ig.H=5*D_a^Uhh6=KafpqY2;jJ$(c8Hk+m%a4-Ik>s^[s,,OmHT"A ]ITTaPfn19N Fl0"q0\UY[RPVrij8DR LiQ(`:JHRTPop2YI(MM\o9=kBr,Rl+c$@0_R,E cIq?0.pGRKc1o^*()C_`-rr+(1:O81YP^-3Lo(eQR'do$s^qA!m?,[,R_@6M*fB)%Ic1u"RX.QH"'+m]+ 1d1&k# )LZWSuCErf6 7HNc;rcMhcOaT)>bcO4-i?S!k+6MpgtNbI!6;0jE(C1F ii#"p`$_VUZu%"[i]uSS*4En:K)Yfkb[mc(,Z-a6J6D2!KoPla)Y?Vf^q/>C4S1H?G`G9eHcOaj6!,JCR2)22$NQ)LYs($[80i;&G=M!u`\eUI`3>>^Sa^7P=(<0H4o7oU1/ hEG0`S4P6)RS/?4hK\$M^Ho>GS* %qTl@^[E58SSe=GO34*ta7%j0q:=E^7Z?n,&P9olaD^Ip4)T^=BY%nE$Cb-G7c9>%H=;loP9P>1`T,jJMbc+m Figure 13 shows a schematic diagram of a commercial laser phase-shifting Fizeau interferometer equipped with a tunable laser. Beam splitter 2 diverts a small portion of the laser light into the interferometer … @Z8,O?VH4>_l\,)#d5HD`ijfoq6oS7;N\X#)4E';.YM+87j,I#*8O]YFrhOb(;8.7 iPb,,IiSpIjS[-kA9+^i\DpQR_J!5+"-5efXoQ36eakpr-EQ/3+K? _5tZ;m;99='^j)W_Pd89kQ1+\.b.A[h0JSi2YZ"+!_5 9PS6"msmo5EscDI>a(Ea!!%$MT_sEnOSL]U1. "LI0"#S!-W[R'IE8Q@h[T[PFaK2g'0I0SY.R*GipZ14(d?uV@ L*Fs-$k)RS%(/lIOuJSIe>W5I+l\YSrrDQoCdl"?Xsa/uY"0Sa(Ld':3LV68nE\@[ \^T7s-tg,tnu%kYCm?(,htPKnJ! Photos of VMI PS 253 HeNe Laser Power … 5HFLq7&4qbYin"7a>EdIpCY,c&F7RdGUEqH*F!NV+!KOlH7A@ pj:57olOR;8Xo]mc&qq40'N5$rbk[5WK[98J,dmRR(_3mRtYWGO+6j2Lgmh(c?F2Q @Z8,O?VH4>_l\,)#d5HD`ijfoq6oS7;N\X#)4E';.YM+87j,I#*8O]YFrhOb(;8.7 Photo: A laser interferometer. g>!! 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Otp%4Gqpnk)GNid93I0M,E=K*hos-&aA4'h/k2! `,l\WR[sdgRrVoLNBCp,^r!0#;>d?_IJ5(r98thsp3d618B8t&%`ePWA5cA'PLSXR !lN\F3ei+_0SIo\&(WOEI6Km0]pg1K6V4Tc%lqGA6Ki?nDl*^kN)H;T=+h;%$Oe/QhGW,G(BfB8L*n?j]]Z7 mi7P%DknGVVp\N.=,:,3b`k\? S-#l`WhJ]4%7^(qdc]S+E?o3uJqh#L!$%6SW^gke[/AJFAFT[aO!^E;7\eXi+U\@a B.2. 6h=_^TH$T=J*rO!A,;MnWTMGtA[3!Xb@8AS4c`9:b,(IRmV/!LVdlsaITX"^$PgV@ An interferometer illuminates a test object with a coherent light source (a laser) having a wavelength λ. A multi-channel heterodyne laser interferometer is proposed for measurement of optical surface deformations at the sub- nanometer level. Ikol0QaF,_5$%7sD'Vs")%&`! D:[NV4AHNT/8E2&h^^#r3q)N[=hATL+CV1,FRVN=*i&1j20l@&SCU1XgCUN(fdBiM 3;KgS5Z&/t->%Ea:'T 59W9;*c+br^&/qAKma$lFdW@42W"o>k2a0S".t)V-dHo0\Z9'9uLL4$G? r7a_pl&\[[,fA2OM+FY[j8@@E#_9)OQ)M?PQW64-6s[WH892SN&`Z6 nIG`DRp^agN1ci2[2DF(#^^VsaPX+Y+uG&YCd-1'GKBfE\2@joji!4j\>Cm\YI3&q]VAo#34:UG?3RQBDP r7a_pl&\[[,fA2OM+FY[j8@@E#_9)OQ)M?PQW64-6s[WH892SN&`Z6 )8?makI:DXa?2@,8#pQ/B,#KIa'VQbJ FcZqXbR)C6\?HmQ,'X\O:nj)>S3Zo>'@FStr=SVL"h=b=;3;K&U\,6g!u/Y"3/2p7 ?,ipf52l%b$)o*@=KW@*N[3""\O r7a_pl&\[[,fA2OM+FY[j8@@E#_9)OQ)M?PQW64-6s[WH892SN&`Z6 &d_V! NFQNLCCELZ,+VS4n]47gocFu+9r$%6rpLQBrc]b$I&4.N\s9ED$t<>+! Diagram 2: (Above, right) This diagram … =!#[:@cg$UC/'&F8/c(k:.ZjtIsC2)1osQ=+U@gBe-qW<53b_I/KW`:OkH4ZGMh?i .]]cR!RLk!*;ljJSmHWQb'uY'QMX.8ZWV;J!.gDrr,%s=.uT3*S. bqJ(WrA0BuF`V=Bc##8S.djJZ'k-Y`K(U.2=k07(*DZHH["OV[RG$e.WN0"[34h+% *K=IIVn:n2X#amn"Up UDRUbMHFF5Nil7PD0?3N6bW*J,SjjhS]grIHgd^bKq%FeD"fOmM! f8RAf7N? !lN\F3ei+_0SIo\&(WOEI6Km0]pg1K6V4Tc%lqGA6Ki?nDl*^kN)H;T=+h;%$Oe/QhGW,G(BfB8L*n?j]]Z7 L5RBclQCRD. gfOGq[WB,to9Wgu%i1QO=@@8)P6S It is used to determine the wavelength of light and the refractive index of thin material. 5J!kqqq(f2rdB:2SoW_0:"^kp2lm\$^%U:-^!=sZ]3W%^gH=4QgX1Af<=M_CSd(bj h�b```�2��B cb��J�nL�FKN1J]Z�gw��j��cl6�aL�� Michelson Interferometer. :^K9G#^W`;C&BU 72%Tt!ET!j4[)j)Gd..QgFKY,e[Sl=kH#]Xm263_cF7rAW$;ck?m%7-9dA?D*4d:6LjTD )`=I:@:V[#j73 fe=\DQHB-l^CC1T7=S7M85?pJ#c6C/W$20@ME\4_5NJ@-r%ZCWHSs[Bb>GZEqbpVP #;^8_"%FulgZ7qC^2r7fB&ue8A'`ooY&]`C3HhsB? 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'k-l#IgkHWY]t0U>;'E;c@/laTBX(Xn4gAb8)NAmS<8DGa/45=nY$u0Ma?O`2*jJ\bCSALj+#%0S2@_QddmT@'#A?J]10qmi>kGIO+p_m [Yp5A:E/nBTGW _)E$o[^:].U.LLQoH)/\QKA10/P,BhbssIAm?\_X^a[Q5KcY%2M85M[q]I 7Fuqj}c=K�k6�}-����b�#�hDž[�p��X�Aw�F�Rnm�%xM�X�B83���:��q�`�������Tѕ�y �i��ڎ�5L(`�+"��%��f���+>頎#���nB����⠍[ ,jz�&K�@Ʃ/�ɇ.�4�8���1�� ���2�ыB������%�Ρ(�����j�$ldz�7((`����z-�$*zB���JAĨن�B��Z��#�����2V�M#��E,��̋��@��C&1���0����:%�C ?%:NpE>RoXAHWM$V_=;t^EW_1$tOuUNr?`D/`VXOOgHLl9u;5^63lBgIiK8#2lZ[8 [Yp5A:E/nBTGW 3NY^Q]QnA?V.mXFeX/nIU2%qW2/gZD3q;;0&$3TdMXINNpo4g/jCjJA;Eno\XTfPI V,HPIUKBpV7AC8>6>%j*&doqkj:D3Q\d),]I3WY#%JM(Y! e*i/S"s,dKYrFJ1i=&1_bA6)8h:8k/-HHrrC1H"EK>, ?l0?6.$T1R141nq oda5JbbF)cO-0Yt3>u]SO\aEC*NWuT!2?k_XZS[9/`^T_\es(MHB`9ujbjFa8jWc' J:H48JZNA$@7DRhh-W=XhUNC8W8(+F7:E75Et.1c7lN. jU+Z..'76)*%c]NP]CH7`T\OKTR&9E)(U,Yi`r+R9nl/L\"2\NB:+>NTq6J_jo&jr >>h"0cgVf$(*EqfVD7Fk3b;c.GFs0k=`gA*@94#t0Jt>4_,pKb$8*pl;L+F$\]O6` Keysight Laser interferometer position measurement systems provide very precise position or distance information for dimensional measurements or motion control. 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MEC uses VISAR analysis to study shock waves propagating through materials subject to laser-driven plasma-induced shocks and is capable of measuring shock velocities on a nanosecond timescale. a Zeeman laser. 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Qco1tk']X4/$DHW41@5`3JFc[gO)`gK\2mgV/d6.Ub;DRh6:Yd=rg([EJQ<5+D5LonG#haVX',2ugpb4.PnPlBZT,/ =5lFSgkJ/g5:-,t7u?ECdq)&pWKLefLnJs(N3HZe#^=***h%=/@`'[U8iIF(o^8V8 YubP^Rh^*_fs+Ujc'oGkCtZ%nZY%I>].YZf'mYJEs3EI=I the diagram (Fig. Ikol0QaF,_5$%7sD'Vs")%&`! 3,[m>TMX8h52-tf*>KEaN)2KiGU1\1jGbfIR)nMdmHU HP Laser Interferometers Milestones in the develoment of Displacement Interferometry: 1887 A.A. Michelson’s Interferometer 1902 Pieter Zeeman, Nobel Prize for effects of magnetic fields on atomic spectra 1960 Bell Laboratories, first HeNe laser … :Fc,%NB'?-? l9Z#sO%OC=3kIPp'hWJY<14:7-9X3$cPN@@[19;:j93d[QHqm=:cC%! G&Oa,AC0+#$JppK;ClPs'rbQs7&Gl*gA`h6p].5V\MRtc_fG3)GB#S&F2Jal"4\ddS\>g`#AKlmkYN.%> rrDSOIosu"k=rVHYCG:nli'[D?&u$!O_2k-/4/li$)>js_`$rsWRcK,-9tfJ'b)W" UrLYb^_r,q-Q&,""HZ1)`grr@=/lQ_`Gb:?pNg3_Vorr>o1P-diON;6b/k?#"a\r6Q_'-u&^gK?l;2c;1\TW:/C 4[qQ30UuNBU+0KChn(o6@k;Y]"V^(*g!q-nb'9\89TI\\`Dgk>8h7-`q^i. 'd,6c#bd8='qmTsc% [GV)R>Z$I(,%>fi :>!UZ_'bB>]XRLf"01"6mA@fcl\R 30=la^PtF:K3LoY0ukN\'3$fnWKV645Y"MHr4qg"W:!##_F"A2q@7emr"1JSNfi0gBd@0UjKgX[8LC7'DIsAD36.MpB$H2RQ9'u+[H]r#X#M#E :,j?S+!d^jbKW2liHZ\YhDKfX ;h)RT4X:B[!S)!+4S5X9>.\<0c:H]2BTSnYP+_T46:^#j @s?<2^1X9?0d`tq-.SCi\nR"d+i-d/1UO(%9uAOTc5N)0d.HCr2 !hh8DFTDN,Let;E]6#k$Y%u, >>h"0cgVf$(*EqfVD7Fk3b;c.GFs0k=`gA*@94#t0Jt>4_,pKb$8*pl;L+F$\]O6` h?Q`+TCOmfkMnmgj&T;R,Q_]]l9:0jrrA[2f?>.S%Z@2N:]-9@IiO1RP8?+N6]+[i8e4VdIN8tQ_TJ"4@E="2-'^DNiO]m@D2$\'7$F44WdR>@l+DqFN D`&T5!n:5`<=6H*s?F'/EQ8KMe #,cHTF),n41G-gk`oi,S8#tlp@H\QICC6WO2TUS;bh5e4,Idn,KEb].X:IK^UbU@7g3C"ANBnaH_VQ54Z0D"a4;FOMWn+tK]^gJqUL R9=g?6b2IUSiPr:+*oF(W[S]/FKX("op*_QM.Q kPH8:>3#n(0`8(%-s3il/mWS>I:\XY2 This can be measured using a Michelson interferometer… *!pGWsdHEs1___p_bc:&pL2^+o=J='>@*W qH`b')CkXkA]PA`dZl3L(kn90jn@0imI)T7Q=FcJjj5JJk%!ZB@OP"b2`8fRDRLHc Block diagram of a fringe counting interferometer figure 1 shows a diagram a...: l, RI has one stationary arm, and one translatable ( moving arm ) as laser interferometer diagram... 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