Basics of OPTICS OF MULTILAYER SYSTEMS `qYiic%
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Contents j!y9E~Zz
Preface……………………………………………………………………….………..……….4 ,Tu.cg
Chapter 1 Z#B}#*<C
SPECTRAL CHARACTERISTICS OF MULTILAYER COATINGS: o2=):2x
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THEORY……………………………………………………………………………………….5 S0Io$\ha
1.1 Electromagnetic field in layered media; spectral characteristics of layered media…5 8zpzVizDG
1.1.1 Layered medium electromagnetic field equations………………………………...5 /t<
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1.1.2 Amplitude transmittance and reflectance of the layered medium……………….12 qH5nw}]
1.1.3 The Fresnel formulas ……………………………………………………………18 -KV,l
1.1.4 Other ways of determining amplitude transmittance and reflectance of the y631;dU
layered medium…………………………………………………………………..19 iCA-X\E
1.1.5 Transmittance, reflectance and absorptance …………………………………….20 ;Ce?f=4
1.2 Principal recurrent methods for calculating layered media spectral coefficients…22 BWQ`8
1.2.1 Matrix calculating method ………………………………………………………22 Pc =ei
1.2.2 Description of optical coating and presentation of calculation results…………..28 |(ab0b #
1.2.3 Recurrent formulas for the amplitude transmittance and reflectance……………30 4sntSlz)~k
1.2.4 Approximate formulas…………………………………………………………...33 !'~L dl
1.2.5 Other recurrent methods…………………………………………………………34 ZG2EOy
1.2.6 The admittance phase plane……………………………………………………...38 CQNMCYjg(R
1.3 Some common properties of multilayer coatings…………………………………….46 ju'aUzn
1.3.1 The relation between the characteristic matrix and spectral coefficients of a 2J{vfF
multilayer coating ……………………………………………………………….47 j~1K(=Ng
1.3.2 Relations between spectral characteristics for the direct and reverse waves ……51 -3i(N.)<;
1.3.3 Transmittance and reflectance of the combination of two multilayer u<uc"KY=
subsystems ……………………………………………………………………....54 YPGzI]\
1.4 The multilayer coatings optical properties: impact of variations in the layer MH#"dGGu
parameters……………………………………………………………………………...58 A_\Jb}J1<
1.4.1 Spectral coefficients derivatives with respect to layer parameters …...………… 05k'TqT{c
1.4.2 Impact of the layer parameter errors on the multilayer coatings spectral >\^oCbqF}~
coefficients: probability assessment method ……………………….…………...63 b@&uwS v
1.4.3 Multilayer coating spectral properties: influence of separate layer parameter 'G~i;o 2
variations ………………………………………………………………………...66 v@ OELJX
1.5 Multilayer periodic systems. Quarter-wave dielectric mirrors……………………..68 @IsUY(Gu
1.5.1 Characteristic matrix of a periodic multilayer system …………………………..69 xjiV9{w
1.5.2 Quarter-wave mirror properties at the central wavelength ……………………...72 rh1PpsSc
1.5.3 Width of the quarter-wave mirror high-reflectance zones ………………………76 P7b"(G%
1.5.4 Principal properties of a quarter-wave dielectric mirror in the proximity to the K=HLMDs
central wavelength ………………………………………………………………80 9#9bm
1.5.5 Dielectric mirrors on a metal substrate ………………………………………….84 ?g{[U0)
1.6 Approximate formulas for dielectric narrow bandpass filters ……………………..88 zN!yOlp5
1.6.1 Common expressions for spectral coefficients of filter-type systems near central g*My1+J!
wavelength ………………………………………………………………………88 iAQ[;M3p
1.6.2 Research of narrow bandpass filters with a half-wave central layer ……………92 u &1M(~Ub=
Chapter 2 i a!!jK}
SYNTHESIS OF MULTILAYER OPTICAL COATINGS ……………………...97 ?k4Hk$V
2.1 Synthesis methods based on merit function optimization …………………………...98 -%Vh-;Ie(
2.1.1 Merit function selection …………………………………………………………98 'g,_ lF
2.1.2 Merit function optimization ……………………………………………………101 G-2~$ u
2.1.3 General pattern of the synthesis and the problem of the starting design choice .108 eu" m0Q
2.2 Synthesis method based on the needle-like variations of the refractive index ……114 i_Q1\_m !
2.2.1 Needle-like variations of the refractive index ………………………………….115 U`=r.>
2.2.2 The principal idea of the method ………………………………………………119 )K@D4sl
2.2.3 Description of the method ……………………………………………………...124 K"XwSZ/
Bibliography …...………………………………………….……………….………..……130