Basics of OPTICS OF MULTILAYER SYSTEMS 6g-Q
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Contents /7fD;H^*
Preface……………………………………………………………………….………..……….4 N!~5S`
Chapter 1 kc7,F2=F
SPECTRAL CHARACTERISTICS OF MULTILAYER COATINGS: L']"I^(N
THEORY……………………………………………………………………………………….5 xh:A*ZI=7
1.1 Electromagnetic field in layered media; spectral characteristics of layered media…5 oB$c-!&
1.1.1 Layered medium electromagnetic field equations………………………………...5 \n>7T*iM&
1.1.2 Amplitude transmittance and reflectance of the layered medium……………….12 uefrE53
1.1.3 The Fresnel formulas ……………………………………………………………18 35KRJY#
1.1.4 Other ways of determining amplitude transmittance and reflectance of the V]5MIiNl
layered medium…………………………………………………………………..19 $}8@?>-w
1.1.5 Transmittance, reflectance and absorptance …………………………………….20 >n"4M~I
1.2 Principal recurrent methods for calculating layered media spectral coefficients…22 Aryp!oW
1.2.1 Matrix calculating method ………………………………………………………22 rX}FhBl5
1.2.2 Description of optical coating and presentation of calculation results…………..28 ^:u-wr8?{
1.2.3 Recurrent formulas for the amplitude transmittance and reflectance……………30 7SJbrOL4Q-
1.2.4 Approximate formulas…………………………………………………………...33 wM1&_%N
1.2.5 Other recurrent methods…………………………………………………………34 C7=N`s}
1.2.6 The admittance phase plane……………………………………………………...38 =1+/`w
1.3 Some common properties of multilayer coatings…………………………………….46 <]f{X<ef
1.3.1 The relation between the characteristic matrix and spectral coefficients of a ~Z:)Y*
multilayer coating ……………………………………………………………….47 @:Emmzucv|
1.3.2 Relations between spectral characteristics for the direct and reverse waves ……51 vI20G89E
1.3.3 Transmittance and reflectance of the combination of two multilayer r7jh)Q;BbR
subsystems ……………………………………………………………………....54 {`ByZB
1.4 The multilayer coatings optical properties: impact of variations in the layer =eyPo(B
parameters……………………………………………………………………………...58 M3VTzwuf^S
1.4.1 Spectral coefficients derivatives with respect to layer parameters …...………… <%N*IE"q
1.4.2 Impact of the layer parameter errors on the multilayer coatings spectral Sfa;;7W@R
coefficients: probability assessment method ……………………….…………...63 hYbaVE
1.4.3 Multilayer coating spectral properties: influence of separate layer parameter !Bv.@~
variations ………………………………………………………………………...66 1$)}EL
1.5 Multilayer periodic systems. Quarter-wave dielectric mirrors……………………..68 "SA*
1.5.1 Characteristic matrix of a periodic multilayer system …………………………..69 U8a5rF><
1.5.2 Quarter-wave mirror properties at the central wavelength ……………………...72 gx.\&W b
1.5.3 Width of the quarter-wave mirror high-reflectance zones ………………………76 MG,)|XpyWJ
1.5.4 Principal properties of a quarter-wave dielectric mirror in the proximity to the k![oJ.vHD
central wavelength ………………………………………………………………80 q&2L@l3A
1.5.5 Dielectric mirrors on a metal substrate ………………………………………….84 7nPjeh
1.6 Approximate formulas for dielectric narrow bandpass filters ……………………..88 <<PXh&wu0
1.6.1 Common expressions for spectral coefficients of filter-type systems near central t\WU}aKML
wavelength ………………………………………………………………………88 )4R[C={
1.6.2 Research of narrow bandpass filters with a half-wave central layer ……………92 (
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Chapter 2 UCo`l~K)qg
SYNTHESIS OF MULTILAYER OPTICAL COATINGS ……………………...97 }Ud'j'QMy
2.1 Synthesis methods based on merit function optimization …………………………...98 e^k)756
2.1.1 Merit function selection …………………………………………………………98 3/ '5#$
2.1.2 Merit function optimization ……………………………………………………101 kjF4c6v
2.1.3 General pattern of the synthesis and the problem of the starting design choice .108 TF?~vS%@P
2.2 Synthesis method based on the needle-like variations of the refractive index ……114 K SJ Ko
2.2.1 Needle-like variations of the refractive index ………………………………….115 '?Xf(6o1
2.2.2 The principal idea of the method ………………………………………………119 5fy{!
2.2.3 Description of the method ……………………………………………………...124 NQcNY=
Bibliography …...………………………………………….……………….………..……130