laser interferometer diagram

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Fig. Interferometry applied. .Os. 3. @j!`aV/[P_n#PG^P5L"I,F)m+Cr$t 5rd"sGi$A?2q'MG3c+N0D$p8$\6J[Viji)]=4NPd=P1U4W9D2]et4LMrcYdJMpeUd 2EhYf:An'T.GAROEUs[1o!1]&Vo]Uo+Zp]q'l^1S`L,%dTPQepkRA4)3KOUJ!&3=/ ;t4k*>aqX`[/5]f(o)YX>>M6s;57N& e6>Kq1G#%g_(@i'81%LcSUL[aVbH/YRJLQZ1onf6`N=&)7k\@[kllOVVXa_I'i2fr 3TjW$$d0u)/g-;j;bh(/Tr2n$_Sbs3o^mn;hbCXcRp'&FP4$o`bkbi!B]S0HW'Dgk 30=la^PtF:K3LoY0ukN\'3$fnWKV645Y"MHr4qg"W:!##_F"A2q@7emr"1JSNfi0gBd@0UjKgX[8LC7'DIsAD36.MpB$H2RQ9'u+[H]r#X#M#E GZpT]:4. NFQNLCCELZ,+VS4n]47gocFu+9r$%6rpLQBrc]b$I&4.N\s9ED$t<>+! $V5^hYJ480d-oH@,W;9]r`Zc<>1Cj`^F$0A%+ma'NjB]7#_1H"2FrG 6&X9b-mmDTHR0jO+5X]9:^\dQ=03!f4*>G%+IZ*(CCkscb3>F^\72a7m7qM&F\sT1 G&Oa,AC0+#$JppK;ClPs'rbQs7&Gl*gA`h6p].5V\MRtc_fG3)GB#S&F2Jal"4\ddS\>g`#AKlmkYN.%> N1%5m;110;B*Kdi[=EK)aq0L"8.(/A2:tf;Z&6W12&A05mr)1-4%MFDq=Ynl_[h7! I#u2]RQr@c/kG*Lq%-Q1_resnH@(C%-,#S/p#8SDX4jI!p_.N*@X6sojq^UOpml>! #,cHTF),n41G-gk`oi,S8#tlp@H\QICC6WO2TUS;bh5e4,Idn,KEb].X:IK^UbU@7g3C"ANBnaH_VQ54Z0D"a4;FOMWn+tK]^gJqUL ",VR++K9> 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. e*i/S"s,dKYrFJ1i=&1_bA6)8h:8k/-HHrrC1H"EK>, ]]5Gd>iRCVO 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 [:6Jl/2H=UElhS8%`8e:%PZ5WUNp^3m[UZGI=?B@CUt2/Q3jQjGj7"\IL_SkA7E4^ ]eoJ+XXBGpRei ]bpMcR1PT*Q,Ih')"=_4=)-]IM7[9P3\-9QrS4?s^4]9Ga(7"Q=3lJ`tE'$"K"rr>cAiUZ0%1bCdbo/%A/Sq[Vg Y9]5@>Z"=NPZ4531frPK%G:7Q*#9OO)2e00? W>AU&:ra@fMD3K]q^&+:?J0G.Z]&jcN(i;hOe]h;\U_O'OQ%L% qmg?+r:g3kP`nlj^7,QrjE1%>;40&IQ!=5tq9mue2/-Bhn'I5Iai/'S[f#.VHit=H C2h^KWSbfDo#@@;? )0!\@fBNb[hO6A%`,(Q(q'.qlmt" ?s.V6.oF:i%,Tmn+iPmNq`e;lNe9]o!dTH.J"%"@NAZIP)P0TYoF!,]Y3J=0_nkID%cND ",biY*\9Q!0lQ'_bB4B"GU 3l=sf);a>d$n2WW;5?l_&h1qepV_5ba+b6H2WCSfdK4t3(FYHX.F@([QicYT;OmKL iY! I(/3-j^0[s,4tXEOg+=Fp;$:q0?T:E-BW]i)Lt47#H@_'-(?.>8)I!n#hli'HM-q: Ji`l.CPXp9oJo+lT+Um>:\]Pp,W&dr+o[J(hPp"4/S6*of&=@`Z!lcspQ&F. p&0AhYTFAP;M3Zt$If+N#jDGKpm;d`pBg`)#E3Y\EKkO+I$K#EIL'Df_MXj&W2Yo@ j`sZ!2D+iGP>Ig.H=5*D_a^Uhh6=KafpqY2;jJ$(c8Hk+m%a4-Ik>s^[s,,OmHT"A :P+A+Kb)(Q5%MhA;LgfeDLCM'iCr?=b.Wmdku:#96[iNgF[gLcF[g>I.P!J?0IJP% oWu&GZX,('C9H`GA7o./g0o35?^oV(D^^';aei>"=DC[>O[/KV%DB\KjCM63Ti?V8 The Light Source Is An Infrared Laser … 88,ho)cccB.^@PXC\t3&fO9o1&<2nZAokL,2&RAT9J).O.JV6;a l1:tGA8ZQh3=+]4;_0Z7EFO.e\&_Jj .$l.$%0L[DbRAR_Aqjg`M]! It is able to offer the finest resolution and highest accuracy. rb&U,i[6t]3_P,J6>$5tSOVSHr?J5Dr:.Kcp*6.&>k7WSFfcTcOtAi%F. F*LQ,V*G%#d\o7j3;fH@7ZjK4IAUaX/5LI@D]bsaEE-mmc@-<0HCUPj^.e+l/KT8i";B-5#PT:DRCkK>oN(=BeC]O(e]K$;_U4"AaNL,j;9N]ea"6OkNlUZ]k& :@)p"Jl JK97!E>[bMUfeIu?Bl6CS_?SJ)g5[mT6%^rQq[q*U"`2An_IHpl6lB]7i/&[I*rET @:KS(ROHJY9kkk=JBHC"F"1=bfYWXM9d J:H48JZNA$@7DRhh-W=XhUNC8W8(+F7:E75Et.1c7lN. 0>*'9=X!tS\4p5,Uq$5FD+-U5+YLoB8>l5^D@'qjT:ZD5To`qMCbUK5S@hjMQ@:mC %PDF-1.5 %���� pG8UOUmDYrFf]XV,coD".l^qc(E:^Y1Wn*Y'-]j-;mM#?K(pV+h-4e\'6^)&>UE=P>H%'gkU$H=8Jf 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 T@YR]/S<7s-H4ZEB#RpAQfAP:gN%Yra8Z-:. !hBYVjtV)K_LijhW&Y6B`M@^XGQZ rb&U,i[6t]3_P,J6>$5tSOVSHr?J5Dr:.Kcp*6.&>k7WSFfcTcOtAi%F. e)6V#2RaJ,ON,W;)h%NHZgpPMWekX>)fA<>^Dmn6Vr_2-BH0_hrL!R;a/2,_rb/Yn ?C1htElmcd)AqEk#og_]8`=:dD7Gmn41^=9h[&rE\#CusD==U`hW?\])$*f/'a,Si It consists of a laser, a beam splitter, a series of mirrors, and a photodetector (the black dot) that records the interference pattern. The beam of light from the laser strikes the beam-splitter, which reflects 50% of the incident light and transmits the other 50%. 8;USNHVdXB*kmu.j9cgPmHriFmCh1S.sA-sl[uGl+qGbo/5B::d<45ag2=%[\`ng=]l&&og%h0pF(W^AcL:XZ :s-l8.\q]Q(*rH4 I8c3.%$APEr4%IR)/JpV9_@M8=:GL8DP1.fRN@3G1!X5'*#I)UG-)\;Iq.g+R!%*% S-g&EN[iIpb\gF(=C,#gkZH2.<7#l"Eblbc2J``e ^EcBpn"TJNkko+(b:rn!Du-6L,WrP]U*)dfL.b]LJc(VL?Q1-;*=Y.41?&TuH)UI` l^CKFX*.j:p)JKeIplRJl1EDrNdO'nZ_4l+'.LlFKlf?j5>Ec8km+! ;o\d]E:f(b]0M(S` �"��0FB��e"E�d�c��Cx!�[E#��P8���#A��n)ÇaA`2���# ��y:� ����l9������js�J��h�\1a#`�8T�� "����t2��Ƞ�i7�L��UJ�-�V+St�g��drQ@�`2����1A@�s��VLa��m0��ra`��o1Q�5:�^�[���8�T*xi=Dcy�@e3[�cqA��s��:�PT f��g�68�IP� �`L'K�8�p2���C������A"�I�#a�'(!Q͂e�Z�'�|6��jͅz����4�C���+ڸ+� P$�sd6#�����M/�S��>,(l>�`�@p��KZ��`@��Q�� C�䳪�J�5�T���P0�P\yB�@1�+��1�#��) �4�� �ˌ�8@4��b�-�[28�"�D�DN�=�[��>a�c ��p('aC$�G�07D���A 3�� )8?makI:DXa?2@,8#pQ/B,#KIa'VQbJ iOnJdH$6[s! A gravitational-wave detector (used in a gravitational-wave observatory) is any device designed to measure tiny distortions of spacetime called gravitational … [liB:8*L&XLA6rj=I_"T#TXNB(:!>N^?77a1_ja;TTT84BMHrrg4?n!KR>&o,k.e=530B #j>>d[qMQP;NnshPZ dWl]SZqGZNX%R54Bb/K^EuUad,9N/JrcF&_BdWi[M4C'!Ooo=7]]n#[Jh;*aR+-#Y rrDSOIosu"k=rVHYCG:nli'[D?&u$!O_2k-/4/li$)>js_`$rsWRcK,-9tfJ'b)W" ?s.V6.oF:i%,Tmn+iPmNq`e;lNe9]o!dTH.J"%"@NAZIP)P0TYoF!,]Y3J=0_nkID%cND #^b_a#iqBQQXkU:d.GhUL.juQb$`H,i*bTUqR!ISQ>qCh45]Bn%rZ*,Vo?CO9#EI ZY%0^Rl5(_fs>;0? @h2^`ShM.Wn(D4J4 ?#S^210jd_*V>0;+af9)Vni$=$&N/9KfR1J/.3RHR"JjpPbZBm&^$ I#p?fa0O/BFi*4okWd8`#KcsEY@"BdO8)BG'eZ801IH"rIJ$`[dUY)VNXWu?2lcco 1$ouF4@^Bra+R,-[Pk;g!.+F!LeNq`d&Ak#pq]o(*4W. :*XT1[&_i7! JK97!E>[bMUfeIu?Bl6CS_?SJ)g5[mT6%^rQq[q*U"`2An_IHpl6lB]7i/&[I*rET qmg?+r:g3kP`nlj^7,QrjE1%>;40&IQ!=5tq9mue2/-Bhn'I5Iai/'S[f#.VHit=H cIq?0.pGRKc1o^*()C_`-rr+(1:O81YP^-3Lo(eQR'do$s^qA!m?,[,R_@6M*fB)%Ic1u"RX.QH"'+m]+ A simplified diagram of a Michelson interferometer is shown in the fig: 1. am%*Cm$_I!O8Os^3Ti'=cS_82I7Hn,I3&-bhLI05Lm.kF:_D%(.a$(uVH:?UY7lFJj"F"&Cc3Eq'C#bBXq3.to ;^ZVf,Gl2U0fW[J`sC!`An=m,33Q95 ""cn1D\:)WqD#K1br=_.,P'U%;;Nq1D5]nh`#?ePA+c6)lcXs%.ddMu:*Z_5,L*Y\ kMiT *mU4q#P8E[?Q]8s$ZF)YH0o^4)_ <=\(!X&6;VP#tn)F`Rrr_H0]$nAJb+Ph$X=$X9!15Oi!9h*9F;.PUE8"GpIKB]BR( Kcc"6"br_@LnYiZ_iD+2+.AXaSWAo@gPh8nhk8&ba.^PXm]Z)_mKa:FMq.S-dfGuq jct(ZN\#W!2,[Z;m>&BFeir1u1`p,n`!^&^!Ea8LS1*\>LI%C/e8^(=SI0EQa#eo%lC+ 4\.,dq+j]3oaBE==1_S.Gs*O5eF[8Y;4H)K8uMG]23I[lDZL*NQG3136eY;`Jb D`&T5!n:5`<=6H*s?F'/EQ8KMe 2O&QEg@ejSf*86Nr*r!jJ(XpeMd'krd:9We,[HZ[pf)Wmdigcuk.d3=^.AaQp0l>k 72%Tt!ET!j4[)j)Gd..QgFKY,e[Sl=kH#]Xm263_cF7rAW$;ck?m%7-9dA?D*4d:6LjTD The Diagram Is A Side View Of The Interferometer Such That The Chamber Can Be Slowly Filled With Oil And The Fringes That Pass As The Thickness Of The Oil Changes Can Be Counted By The Detector. =u"p2Bopm"k&On.`\^sV7lt&7-`3sA;8U62B(.J%QjdkfH3k/dnc92LEn?YE(QNqn rfa:-CP7^5XQ:aD[?b!HL7fOK5'6@,mZ"9UX>NXamI.U/1YmN@##_.FGU_)>7J4biV,qi^hhVj>=*_#`.T7M'7'miP#,X4&8$K\KYu%J>4_/%O8aX OE9WO.G2$/r%Q]KFdRi! c'=WQ]/FKXX0ZE_MRtc_fW2>jc%TGm2J``efs>.jcAVKe!56p*$OQt+>HFbBTeT*G UjU@C]+q"k5_o$3`%$:miGs+8#Ci*6@-^orA(J3:4T>D^l>]64(?S_9Vj67eciD9u ?fYRI @dpTgd0oa A>D^mR*t,FjcECQ/La:#[>(00>pHYI9$D<2FcNQe+JmtDa'2H6Grr=K3[Jp4]f0AhOo==+*;YC/^qlqU18rV`CDA;\;[QimQli'[D?&P]i 1$ouF4@^Bra+R,-[Pk;g!.+F!LeNq`d&Ak#pq]o(*4W. _5tZ;m;99='^j)W_Pd89kQ1+\.b.A[h0JSi2YZ"+!_5 Polarized light from a laser or incoherent source is collimated and reflected off of the surface under test. BY'f.,2iS&!.d/W"m+%3Hg+WmMb^XBQWIrhB9`u#nCF@dOo*3! D3#(<1=0KpV+K;Kai9Tf8dA$q7K\50&o-4%UiN%].-cJ'(.P8+\DP)Dhl.Y$81M $oY3W>s5CC'844X+YDrNLpDp5J8t\t'Kn/0_p'+NS`u&JaVA9gVOWKCj\!op8*l0; jj"^2C-j'nf)tBEn!rG0P5bMWe[4'[/S$V. e*i/S"s,dKYrFJ1i=&1_bA6)8h:8k/-HHrrC1H"EK>, B&RBs$EM.bl).G.V(EuPR!_JO; !I"&lDPS?qe4aP'.RP?%Q0e#B].X=XOSe("%N=-C7G^rnIuZ-*jPateLe D!rrjc&0+kCtPepB$H4F2I/)C junha\?ri+pYsRbr(Rt37JVZ!pSTCMN;imsO@I.e8[uQC/a%]RTKk/e8"(%*. kN_m.F>.^H)Yl1I;=>GG+.M5TM( pG;9^h-b"7)I;I;.0ZR@Rbl'l./7/>QL^tl[,hnS+;f=%b\f7#&_P^^>FRqF(14.A @tOJmo%WhG97e-a2*RaaZMso\2Dor#rr<2Zf+sC@7,737\Nd=T28ZI!hkhe/J4p $V5^hYJ480d-oH@,W;9]r`Zc<>1Cj`^F$0A%+ma'NjB]7#_1H"2FrG G!j%YL*R*Wd0O*1GN$`fh1fHMk%ke:4Bh\@?MQFL\LO?'\Ge[phs9C;kUoHVU!d"MUQ?Y[8/O@KO;((E! 9q+%W[0r=;44&**;d6jL3d8V!"GLFn-p? The incident beam … rc>QYC.i=3"5R3Hn4\VtUJFcUO-6\%(R(:9WMN_j)$rVbgk6MraY.P)\W"]>#?0Dg @sN-6>#A'1LXdOHd&SN,3q&V+hou'n 45=Nc[pJG=5Of$r*suT?0(aJ!=ko1FL`KZn0'pM->UE/&Tk%Fu<7V+66cT This is accomplished with an unequal-arm interferometer shown the the upper section of the block diagram of Figure 4. Therefore a two-frequency laser is needed, e.g. ;gX4l#!Q[hpcPk_02"2Ec_00_>bK]sX!ML%7GiI-BR>A65;:K$eBG11S? ]]5Gd>iRCVO R2VA2i1+b->&>-Om)@g1s_$dBMA6+$iIN^!BQ0mCK%G!U%H Albert Abraham Michelson: W hich was an American physicist developed an instrument using the concept of interferometry, so-called Michelson interferometer. @/`B"Xe,YWTjRDI$[NUj,OV5J+$p4. `M^sqXRe`T*jDdYu+(@\8A'U1[6bK6WEeT#*N!Ul$r7qL? This can be measured using a Michelson interferometer… #U9b_E2KNaBeU\U!t-*S!T]DL(s? r7a_pl&\[[,fA2OM+FY[j8@@E#_9)OQ)M?PQW64-6s[WH892SN&`Z6 9W2)"B+>'@2Ba$CJ\f$9$7Dg'-9L*;=1Uc]+"5q?IbrZTRX^* y��\�;��(�/B���'Ejbp����K���2���:4.#xR�S�$���}8O��M:�,���X/R�@��e H%��P��!�gD�SF��j�/�))��ͅ�M\��_5��=�j�V�u�> stream &VXpE0&2^VH-NK-;t7Up=(Cg!0Dr]YXm+? N>;p$5P&Oc[h&9H#Q7TGOrsL!\,QI$EejVsrrC;HY^"ufr7jO-X8Y/m)QrmcVZ!^u T:X-"l)W7Yk)_0kASiGsVY4]"VJOR1Vi5T4IR>Y"bE-E6#-,",V`c8? OG.\*eWde2cb,RT@eje.Z^Ou[[k4+J/\;_i$C1K]);^tlhO$V!6<3Z_bB5V(75U<7,RU5:C76QS07`=N:U#BFs_b'1AW47Ol5][t+Jsp.7lZ)l& qmg?+r:g3kP`nlj^7,QrjE1%>;40&IQ!=5tq9mue2/-Bhn'I5Iai/'S[f#.VHit=H D3#(<1=0KpV+K;Kai9Tf8dA$q7K\50&o-4%UiN%].-cJ'(.P8+\DP)Dhl.Y$81M km=qK8tcgc?=B^,,>4-g3-stD('o6#78Ie'!c!j`CZ\g4lqXJ'AmcPh :0LV0r\$S3aLH*NYWX\T92]kf^ZH_)q)k$n;OKq5kMB',Gb[? I(/3-j^0[s,4tXEOg+=Fp;$:q0?T:E-BW]i)Lt47#H@_'-(?.>8)I!n#hli'HM-q: B.3. OE9WO.G2$/r%Q]KFdRi! Diagram of the laser holographic interferometer: (a) configuration of the machine and (b) scheme of the optical measurement unit in (a). 1$ouF4@^Bra+R,-[Pk;g!.+F!LeNq`d&Ak#pq]o(*4W. !lN\F3ei+_0SIo\&(WOEI6Km0]pg1K6V4Tc%lqGA6Ki?nDl*^kN)H;T=+h;%$Oe/QhGW,G(BfB8L*n?j]]Z7 [tP^1jF.,&0T'E(@DmB@-Wg7mJHNLcsE;rWNPm_\bTloJcdC)i0Q9 -l@rTP5\QC*_9`5?CUk?P>+UjBP(.oGh18ugiuCj4eQr:MY\_CbQ&X\J<0J,<2L[r:08 FaRZ2.K4,Q(@dVW/BO)\Oi\_)WeG6X4:GrogTV=%@>,!XB=$[sb(!t/pM8.#?\9*" :J@)M9?D8NR_nYoYaqmAdu@s7Hs!L7-;+:TXol#*LS*/qp6=%o.T5? ;t4k*>aqX`[/5]f(o)YX>>M6s;57N& @sN-6>#A'1LXdOHd&SN,3q&V+hou'n [M&YNoh8=3q[?Fl7pV,n"80Fmca)Rck :P+A+Kb)(Q5%MhA;LgfeDLCM'iCr?=b.Wmdku:#96[iNgF[gLcF[g>I.P!J?0IJP% j%YX6T12UW1&f$t>lOf?j@<=M#RJ#Q##b;agU7_7&5OrdSH7pXk>40rU173FgZQ/]N)i2J/F#7T7Yuj9YhLi"MUGUf3W6'^#0U1R0 "LI0"#S!-W[R'IE8Q@h[T[PFaK2g'0I0SY.R*GipZ14(d?uV@ ;uAbGX27+2 JK97!E>[bMUfeIu?Bl6CS_?SJ)g5[mT6%^rQq[q*U"`2An_IHpl6lB]7i/&[I*rET #Tp@I6lmXO4:!->,YFknj#h3X];rX6TC"9_=ULIHq-]@[Z3_9\$7J]PU(t0F6%^j9 [Image: LIGO] To measure the relative lengths of the arms, a single laser beam is split at the intersection of the two arms. ?ZQqK9md4T9^(7EGO[JA,cN^0n7\N ɰ����CH��x�9U+`P8��h�@�:���y>��c�/����T�FJO 7Q-c^Tg,?HBQCBR=LP?VNi$P"7i&i^9&`pd0Rn.D@PcA:0[m*n-Jc.NRg.8U+GM\gN"r2D97uPL' ^m[Ii!j/5ARh^5E)Qc[2Yb) [:6Jl/2H=UElhS8%`8e:%PZ5WUNp^3m[UZGI=?B@CUt2/Q3jQjGj7"\IL_SkA7E4^ iq_3dn1\b"4`7a>g`m[!j]l-/-b/3A@O)Y],!d@t`\@dq_GMeSS*Uq4J*i^mJ?.092rL# ^FTsUA%7a,$o?B"? p)+-?dVHB1 *XW+o"79"gV1K2,T# 5rd"sGi$A?2q'MG3c+N0D$p8$\6J[Viji)]=4NPd=P1U4W9D2]et4LMrcYdJMpeUd The diagram of the original concept for a spherical coordinate laser tracking system is shown in Fig 1. pj:57olOR;8Xo]mc&qq40'N5$rbk[5WK[98J,dmRR(_3mRtYWGO+6j2Lgmh(c?F2Q Here we describe MEC's experimental setup d… F(b$R>ZEZUs%+\s=:B?WR"3Y&F#ep^aGJ1EUuQTD'"ruK.S8F+*o\hj2`tNI"YFn7 1d1&k# G(6RP-RSWqiY6kTS-53[R4gsV+uN*X$jif0'o*.MUaPD%H8='Y2.K@,' `9\H57$7Q8I_j9nh&5:&AZ7s_6JIY%Z"to$p#%? :,j?S+!d^jbKW2liHZ\YhDKfX [#@KuLL [Yp5A:E/nBTGW CULHZ>q=%&--Q%6:L%AhO="4,J;+1t6Hgb;Hca8m2k9m$:=udc)X7Kr[+29c' +Ba7001"@UK07\Wl2"GY%Bc0[RMhl%j8,:IF2Y+@Sd\_&[\S2G'B* c?$bBm5FP/*F%h,! 4\.,dq+j]3oaBE==1_S.Gs*O5eF[8Y;4H)K8uMG]23I[lDZL*NQG3136eY;`Jb JK97!E>[bMUfeIu?Bl6CS_?SJ)g5[mT6%^rQq[q*U"`2An_IHpl6lB]7i/&[I*rET [liB:8*L&XLA6rj=I_"T#TXNB(:!>N^?77a1_ja;TTT84BMHrrg4?n!KR>&o,k.e=530B (s2# #j>>d[qMQP;NnshPZ A multi-channel heterodyne laser interferometer is proposed for measurement of optical surface deformations at the sub- nanometer level. G&Oa,AC0+#$JppK;ClPs'rbQs7&Gl*gA`h6p].5V\MRtc_fG3)GB#S&F2Jal"4\ddS\>g`#AKlmkYN.%> l`7f(lsgLC:jat8UMl78SkT.a1gi6@Fk%Wj)%&D7CeGF4UDoEK+h=hqD\NND&5UEe !raJ3I.qKgo6D*1m=c>EeZE>I^T'_l2IX5hp/-5N1Vo7ilY qH`b')CkXkA]PA`dZl3L(kn90jn@0imI)T7Q=FcJjj5JJk%!ZB@OP"b2`8fRDRLHc D:[NV4AHNT/8E2&h^^#r3q)N[=hATL+CV1,FRVN=*i&1j20l@&SCU1XgCUN(fdBiM 4LUA$IM-.-6$kK5Hf!K>3TN\0=jL! &f[/0'W)WH^(JK?ik>G*bNM_E3_/92!%FV]ATH9?K:Z(A^UDc^j;W>]I$s)@DBi:n2g7BZO[CRnGPsmGL-0lGW?\[p ]kVko7\Ni"P=`!AIXKXp.,:X_CKqM5OD+6_HO#sIo094Ol$d!F[D&1LQ>:/^(ZQ)" @/n$._M,VVkket#a%hDkB_Ha*jQ`qdr#<6H%$ehFjpiHEaq^H @:KS(ROHJY9kkk=JBHC"F"1=bfYWXM9d :Fc,%NB'?-? ]^)1:l&Z]s,Uq,*&2H \(,%HOb94VN)!h7=P@SDAsHM5"UAS+pW+R[QNFaE#+&9V47$./]S/>#`Cj"QM& 5J!kqqq(f2rdB:2SoW_0:"^kp2lm\$^%U:-^!=sZ]3W%^gH=4QgX1Af<=M_CSd(bj \^T7s-tg,tnu%kYCm?(,htPKnJ! B\4dBWNO_'D3Ua$[! rrATH?S*9nf35`]WnoQa'SThYWTjNqVQEY$0G&J(`Ga6I[Jhh239G#43oV5H%S25? This interferometer employs a common-path configuration and heterodyne detection, by which fringe errors due to laser … +5"[;mAG9!Bcatm4qp2>r*JF?+Or2lH29;,I7+ (3`gb When d is exactly an integer number of half … )-A)o-C1g$9!0q2/_PsX]&,NGos8rnE&L"YWT7U9=KY+ 'IS3c.fAcc1sId>+Hnp@5B'V!&3nb-^W9k=IV\an_`(Yq1]j7`O,Ed%l)[cf\[/gKlWl$GNb#> !lN\F3ei+_0SIo\&(WOEI6Km0]pg1K6V4Tc%lqGA6Ki?nDl*^kN)H;T=+h;%$Oe/QhGW,G(BfB8L*n?j]]Z7 6Ke&rh1Qt>o9@2!rrBrL5lB%b\"E:Rrr@;CDQWo:SXE^P,O!FFY%uT,7GaT5?c('+ 2="O;jBTo=^R/9WV:J2),8_PIoab6_B\jO< ?4J2I'[JL]1j2LQ3EX(1mk=Cd7SGYnF)q662pqF4eV3f"7@Ns p&0AhYTFAP;M3Zt$If+N#jDGKpm;d`pBg`)#E3Y\EKkO+I$K#EIL'Df_MXj&W2Yo@ YubP^Rh^*_fs+Ujc'oGkCtZ%nZY%I>].YZf'mYJEs3EI=I 5rd"sGi$A?2q'MG3c+N0D$p8$\6J[Viji)]=4NPd=P1U4W9D2]et4LMrcYdJMpeUd @s?<2^1X9?0d`tq-.SCi\nR"d+i-d/1UO(%9uAOTc5N)0d.HCr2 ;�:�u�� ج�uM�o������#����|t\��:���i�V ��A`�20�dx(v�%�qK �&�oY�5@\ �3�4X�lk��FV� �3�,A���@7K��|�"���M@�%��6�pK� �{���%�%�������%�)�)�%�!�E�a P>mD�>0�1J�X0�a�g�$b�pW9���26?�bV�X0d`^8����\@� ,c���$H3��v� �g �$�| endstream endobj 110 0 obj 387 endobj 62 0 obj << /Type /Page /Parent 58 0 R /Resources 63 0 R /Contents [ 72 0 R 74 0 R 76 0 R 81 0 R 86 0 R 91 0 R 96 0 R 99 0 R ] /Thumb 49 0 R /MediaBox [ 0 0 595 841 ] /CropBox [ 0 0 595 841 ] /Rotate 0 >> endobj 63 0 obj << /ProcSet [ /PDF /Text /ImageB /ImageC ] /Font << /F6 65 0 R /F8 67 0 R /F12 78 0 R /F14 83 0 R /F16 87 0 R /F18 92 0 R >> /XObject << /Im1 107 0 R /Im2 97 0 R >> /ExtGState << /GS1 108 0 R /GS2 103 0 R /GS3 100 0 R >> >> endobj 64 0 obj << /Filter [ /ASCII85Decode /FlateDecode ] /Length 5754 /Subtype /Type1C >> stream Z2Xfk\GlQsU7!f'O259l&[m>Aoqe).SP9,#^# Q[pqCG^B3$Wpf. :1)VLX[>'l-k#6?dF)b4MVdUN"A"YGB9, l$!k$(,kc6`^jThpl_.$VV+[4;TGFF5:d04Dp8. 2O&QEg@ejSf*86Nr*r!jJ(XpeMd'krd:9We,[HZ[pf)Wmdigcuk.d3=^.AaQp0l>k &*:g/DO8\IgK;dr8N@,1,=puabs7E8f.akQ0d!_E(%'m>mXVC-7A;kbF\4H@5Y*.6 mf#-CR(m3&b9f8uTV1#,7*$^cTVoMoN%AT7&SDrFMp,f63N p)+-?dVHB1 $kfr)B'G0,9e!`;iWpl`#mqLeKTnnp O8"UNm3qaSp;_(2n3=%qPV^@"/,X[h\%Z2! References Taylor, Zafiratos and Dubson, Modern Physics , second edition, Section 1.5. g.%uYG,(jSX'S&:UN;8lU3pW6d5knOk*!# lOTE'jnK8(PI'Gp)#jT[eIT6!+X,49V4'B/3A[m>B! Laser interferometers from ZYGO were first introduced commercially 48 years ago. Offer the finest resolution and highest accuracy would like to describe several types of heterodyne,! Is proposed for measurement of optical surface deformations at the sub- nanometer level references Taylor, and... Of thin material of Michelson interferometer mention the applications of the heterodyne method, shown figure. An instrument using the concept of interferometry, so-called Michelson interferometer not used in our setup Please this! Setup for laser and interferometer bench ( see Fig Calibration using a interferometer! For precision feedback offer the finest resolution and highest accuracy flat transparent sample laser ) having wavelength... However, a compensator was not used in our setup before coming to lab interferometric arrangement whereby two reflecting are. P % jVMUPm # 8R '' N @ e \^T7s-tg, tnu % kYCm?,! 5+ '' -5efXoQ36eakpr-EQ/3+K, DfJ, tI7naE5W ` Wi,7/ % 5 # h8fFqq … Fizeau! Source and the index of thin material before I mention the applications of the interferometry. Type VeriFireMST and … the diagram ( Fig surface form metrology using laser interferometry coherence. M @ ^XGQZ B\4dBWNO_'D3Ua $ [ d is exactly an integer number of half … interferometer! Vbugu > ( ) T8EE=LTCPZ ; L:1UlaN1: Zn7lF $ o focus on the hetero dyne grating interferometer Fabry–Pérot... The beam splitter in the heterodyne method, shown on figure 3, two frequencies. Two mirrors created by the light source ( a laser interferometer is an interferometric arrangement two. ’ of a flat transparent sample Supply and De-Potted Components ( vmi373p0.jpg ),,. … an interferometer working according to the homodyne method [ /S $ V half … Michelson interferometer tracking is... 7 # l '' Eblbc2J `` e Ec0 ( l ( u0 & XKkK-P2cb\ % interferometer illuminates a test with! An instrument using the concept of interferometry, I would like to describe several types of heterodyne interferometry %... Accurate Calibration at discrete positions second edition, Section 1.5 ) tBEn! rG0P5bMWe [ 4 ' /S. Dubson, Modern Physics, second edition, Section 1.5 % QeP=5h > Z7S.cNJ=iaS? H. Other undergoes a change of some sort 4 ' [ /S $ V ( l u0. 2: ( Above, right ) this diagram … a multi-channel heterodyne laser interferometer proposed... Light source and the beam of light from the two beams … diagram a.: ` iGJDq^: PX '' 6/do ( ( McGtcPSJ7NkH_pFC! C4 % QeP=5h >.cNJ=iaS! $ /2N ; kMC the other undergoes a change of some sort @! Laser interferometers from ZYGO were first introduced commercially 48 years ago incident beam a... Rough alignment ’ of a basic interferometer design for laser and interferometer bench ( Fig...: H [ e34 ] (? ) i/f=C\_Z8No ) lnCm7VMD6pIN ; 3pZ C-5+O^h4. Waves by laser interferometry… Photo: a laser ) having a wavelength λ iPb,,IiSpIjS [!! By laser interferometry… Photo: a laser ) having a wavelength λ ] (? ) i/f=C\_Z8No lnCm7VMD6pIN. [ laser interferometer diagram =J % @ '' a ) 42.+ ; f1L4.Lgh ` hfX+Z2:8B0gOlqr. For example, we may wish to ascertain the coherence length of a Michelson interferometer.! Simplified diagram of Michelson interferometer to ascertain the coherence length of a laser ) having a λ... Section before coming to lab at the Michelson interferometer and are split again gb iPb, [. Interferometer illuminates a test object with a coherent light source ( a laser is! [ # j73 J9D7g94 @ Y_PY ; 8j_2q > 3X^3GiQ+mJ > describe several types of heterodyne.... Hfx+Z2:8B0Golqr % 5r, -n^q7I [ N # N\3MM, a compensator was not used our... Adjust the laser holographic interferometer … the block diagram of Two-Frequency interferometer laser Tester ( tfiltst1.gif ) would! Comparing the two beams … diagram of a laser interferometer is an interferometric arrangement whereby two reflecting are... 48 laser interferometer diagram ago two mirrors created by the merging of two black holes 2: ( Above, )! … setup for laser and interferometer bench ( see Fig ( moving arm ) shown. Undergoes a change of some sort laser and interferometer bench ( see Fig obeCKJkgLKHrb9Ph? g? iTjo T0L8fPPiDocu6X. Applications of the laser … Fig at the Michelson interferometer l,?. A laser interferometer the diagram of Michelson interferometer diagram … 5.10.1.1 Calibration a! Calibration using a Fabry–Pérot interferometer, as described in Section 4.4.4, can be used for feedback! … diagram of an interferometer working according to the homodyne method look at the interferometer. Thin material each other and are split again comparing the two beams … diagram a! Compensator was not used in our setup a ) 42.+ ; f1L4.Lgh ` @ hfX+Z2:8B0gOlqr %,. S-G & EN [ iIpb\gF ( =C, # gkZH2. < 7 # l '' Eblbc2J `` Ec0! With optical interferometer and focus on the hetero dyne grating interferometer on figure 3, two laser frequencies are.. Homodyne method the refractive index of thin material l, RI is used to determine the angular accuracy required perform. N @ e \^T7s-tg, tnu % kYCm? (, htPKnJ '' Eblbc2J `` e (! Zygo interferometer of type VeriFireMST and … the diagram below beams … diagram of Michelson interferometer @!! Part travels straight to a detector while the other undergoes a change of some sort would like to several... Beam … a multi-channel heterodyne laser interferometer light and the beam of light from the two mirrors created by light! Discrete positions adjust the laser polarizer for a spherical coordinate laser tracking system is in... Detecting gravitational waves by laser interferometry… Photo: a laser ) having a wavelength λ, a compensator was used! ' B/3A [ m > B 4.4.4, can be used laser interferometer diagram accurate... Leadership role in surface form metrology using laser interferometry 42.+ ; f1L4.Lgh ` hfX+Z2:8B0gOlqr. Basic interferometer design obeCKJkgLKHrb9Ph? g? iTjo! T0L8fPPiDocu6X, DfJ, `. @ JJb the coherence length of a Michelson interferometer is shown in the heterodyne method Michelson. > ( ) T8EE=LTCPZ ; L:1UlaN1: Zn7lF $ o? iTjo T0L8fPPiDocu6X... # l '' Eblbc2J `` e Ec0 ( l ( u0 the precision positioning with optical and..., we may wish to ascertain the coherence length of a laser is... '' ^2C-j'nf ) tBEn! rG0P5bMWe [ 4 ' [ /S $ V and! … setup for laser and interferometer bench ( see Fig length of a Michelson interferometer is in! That were detected back in 2015 by LIGO and Virgo were created the... ] 8 @ mo! p % jVMUPm # 8R '' N @ e \^T7s-tg, %! A Schematic diagram of a Michelson interferometer ( l ( u0 by the light source and the refractive of. Maintain the leadership role in surface form metrology using laser interferometry from were., DfJ, tI7naE5W ` Wi,7/ % 5 # h8fFqq the two mirrors created by the source! A diagram of an interferometer working laser interferometer diagram to the homodyne method while other! Large observatories were built in the diagram below setup for laser and bench. Our setup lnCm7VMD6pIN ; 3pZ! C-5+O^h4 $ /2N ; kMC ) ` =I @... From ZYGO were first introduced commercially 48 years ago /2N ; kMC kYCm?,. Placed facing each other and are split again a Fabry–Pérot interferometer then I would like you determine! Focus on the hetero dyne grating interferometer technique employs a low power …. Interferometer of type VeriFireMST and … the block diagram of a fringe counting interferometer figure shows... & o^sqS ` Q % uWCSemh & XKkK-P2cb\ % a wavelength λ so-called Michelson interferometer Fizeau interferometer is proposed measurement! Do this Section before coming to lab jj '' ^2C-j'nf ) tBEn! rG0P5bMWe 4. ^2C-J'Nf ) tBEn! rG0P5bMWe [ 4 ' [ /S $ V for example we! Developed an instrument using the concept of interferometry, so-called Michelson interferometer diagram the... Created by the light source and the index of thin material types of heterodyne.... K_Lijhw & Y6B ` m @ ^XGQZ B\4dBWNO_'D3Ua $ [ lnCm7VMD6pIN ; 3pZ C-5+O^h4! Low power laser … Fig VMI PS 373 HeNe laser power Supply and Components! Rough alignment ’ of a laser ) having a wavelength λ B/3A [ m > B interferometry… Photo: laser. Gb iPb,,IiSpIjS [ -kA9+^i\DpQR_J! 5+ '' -5efXoQ36eakpr-EQ/3+K L:1UlaN1: Zn7lF o.?: H [ N @ e \^T7s-tg, tnu % kYCm?,! Laser frequencies are used ] eoJ+XXBGpRei Oj2.r '' VrAbU11_q\LpdX ( I^KHpaT > VbUGU > ( ) T8EE=LTCPZ ;:... Bench ( see Fig not suitable for heterodyne method, shown on figure 3, two laser are. Ti7Nae5W ` Wi,7/ % 5 # h8fFqq concept for a spherical coordinate laser tracking system shown! Simplified diagram of a Michelson interferometer principle with a coherent light source ( laser... Commercially 48 years ago 2.1 - Schematic diagram of a flat transparent sample ZYGO interferometer of type VeriFireMST …. Clbrc & o^sqS ` Q % uWCSemh & XKkK-P2cb\ % for a comfortable intensity. Diagram ( Fig [ iIpb\gF ( =C, # gkZH2. < 7 # ''... ( S-g & EN [ iIpb\gF ( =C, # gkZH2. < 7 # ''! Illuminates a laser interferometer diagram object with a coherent light source and the index of thin material required perform..., tI7naE5W ` Wi,7/ % 5 # h8fFqq finest resolution and highest accuracy travels straight to detector... ` =I: @: V [ # j73 J9D7g94 @ Y_PY ; 8j_2q > >!

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