Basics of OPTICS OF MULTILAYER SYSTEMS Eu-RNrYh#
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Preface……………………………………………………………………….………..……….4 *l;B\=KR
Chapter 1 t{FlB!jv
SPECTRAL CHARACTERISTICS OF MULTILAYER COATINGS: (v|}\?L
THEORY……………………………………………………………………………………….5 N:tY":Hi
1.1 Electromagnetic field in layered media; spectral characteristics of layered media…5 ks97k8B
1.1.1 Layered medium electromagnetic field equations………………………………...5 ~r$jza~o(
1.1.2 Amplitude transmittance and reflectance of the layered medium……………….12 rEv*)W
1.1.3 The Fresnel formulas ……………………………………………………………18 gV`=jAE_
1.1.4 Other ways of determining amplitude transmittance and reflectance of the psC
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layered medium…………………………………………………………………..19 J9Ou+6 u(
1.1.5 Transmittance, reflectance and absorptance …………………………………….20 J.dLPKU;-
1.2 Principal recurrent methods for calculating layered media spectral coefficients…22 B`o]*"xkB
1.2.1 Matrix calculating method ………………………………………………………22 Q~Hh\L t
1.2.2 Description of optical coating and presentation of calculation results…………..28 CQr<N w
1.2.3 Recurrent formulas for the amplitude transmittance and reflectance……………30 4jBC9b}O
1.2.4 Approximate formulas…………………………………………………………...33 WN5`;{\
1.2.5 Other recurrent methods…………………………………………………………34 f7~9|w&
1.2.6 The admittance phase plane……………………………………………………...38 )aao[_ZS
1.3 Some common properties of multilayer coatings…………………………………….46 pY~,(s|Qb
1.3.1 The relation between the characteristic matrix and spectral coefficients of a wTGbd
multilayer coating ……………………………………………………………….47 +sx 8t
1.3.2 Relations between spectral characteristics for the direct and reverse waves ……51 "+
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1.3.3 Transmittance and reflectance of the combination of two multilayer 5qkH|*Z3
subsystems ……………………………………………………………………....54 "/6:6`J
1.4 The multilayer coatings optical properties: impact of variations in the layer D?,#aB"
parameters……………………………………………………………………………...58 ;)I'WQ]Q
1.4.1 Spectral coefficients derivatives with respect to layer parameters …...………… RUUk
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1.4.2 Impact of the layer parameter errors on the multilayer coatings spectral mVsIAC$}8
coefficients: probability assessment method ……………………….…………...63 saAxGG
1.4.3 Multilayer coating spectral properties: influence of separate layer parameter +:-57
variations ………………………………………………………………………...66 ~-t>z
1.5 Multilayer periodic systems. Quarter-wave dielectric mirrors……………………..68 P"?FnTbv[
1.5.1 Characteristic matrix of a periodic multilayer system …………………………..69 N0w`!<y:c
1.5.2 Quarter-wave mirror properties at the central wavelength ……………………...72 3ZZV<SS
1.5.3 Width of the quarter-wave mirror high-reflectance zones ………………………76 :nS;W
1.5.4 Principal properties of a quarter-wave dielectric mirror in the proximity to the V0(o~w/W%!
central wavelength ………………………………………………………………80 aJe^Tp(
1.5.5 Dielectric mirrors on a metal substrate ………………………………………….84 CWG6;NT6m
1.6 Approximate formulas for dielectric narrow bandpass filters ……………………..88 G #T<`>T
1.6.1 Common expressions for spectral coefficients of filter-type systems near central j:&4-K};Z`
wavelength ………………………………………………………………………88 ~h=X8-D
1.6.2 Research of narrow bandpass filters with a half-wave central layer ……………92 9lj!C'
Chapter 2 q4$+H{xB
SYNTHESIS OF MULTILAYER OPTICAL COATINGS ……………………...97 ;HBCUe<_
2.1 Synthesis methods based on merit function optimization …………………………...98 y"<))-MH
2.1.1 Merit function selection …………………………………………………………98 ~!d/8?!
2.1.2 Merit function optimization ……………………………………………………101 Z!&Rr~i
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2.1.3 General pattern of the synthesis and the problem of the starting design choice .108 ;.Ie#Vr1N
2.2 Synthesis method based on the needle-like variations of the refractive index ……114
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2.2.1 Needle-like variations of the refractive index ………………………………….115 gx:;&4AD
2.2.2 The principal idea of the method ………………………………………………119 qXW})(
2.2.3 Description of the method ……………………………………………………...124 70Yjv1i
Bibliography …...………………………………………….……………….………..……130