Optical Metrology Third Edition N`+@_.iBX  
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Kjell J. G˚asvik ,AyQCUz{*?  
Spectra Vision AS, Trondheim, Norway L+.-aB2!d  

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Preface to the Third Edition xi t?h\Af4Tf  
1Basics 1 U^&y*gX1  
1.1 Introduction 1 jB3Rue:+g  
1.2 Wave Motion. The Electromagnetic Spectrum 1 MR.c?P?0Q  
1.3 The Plane Wave. Light Rays 3 Ummoph7_@  
1.4 Phase Difference 4 ,XsBm+Q(  
1.5 Complex Notation. Complex Amplitude 5 >44,Dp]  
1.6 Oblique Incidence of A Plane Wave 5 3W55m@w  
1.7 The Spherical Wave 7 O{wt0 \P  
1.8 The Intensity 8 |[MtUWEW  
1.9 Geometrical Optics 8 Sw~L M&A  
1.10 The Simple Convex (Positive) Lens 10 U2*kuP+n  
1.11 A Plane-Wave Set-Up 11 W"\O+  
2 Gaussian Optics 15 e{}vT$-  
2.1 Introduction 15 <MgC7S2I  
2.2 Refraction at a Spherical Surface 15 7loIjT7  
2.2.1 Examples 19 DB.)/(zWQ  
2.3 The General Image-Forming System 19 -~&T0dt~  
2.4 The Image-Formation Process 21 H1hADn  
2.5 Reflection at a Spherical Surface 23 ^2"3h$DJfS  
2.6 Aspheric Lenses 25 M Jtn)gXb  
2.7 Stops and Apertures 26 'b Kc;\  
2.8 Lens Aberrations. Computer Lens Design 28 ,`ju(ac!  
2.9 Imaging and The Lens Formula 29 i`7:^v;  
2.10 Standard Optical Systems 30 Aw=GvCo<  
2.10.1 Afocal Systems. The Telescope 30 Lo5CVl
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2.10.2 The Simple Magnifier 32 lh*!f$2~  
2.10.3 The Microscope 34 SVqKG+{My  
3 Interference 37 N`NW*~  
3.1 Introduction 37 uX~YDy  
3.2 General Description 37  u'qc=
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3.3 Coherence 38 h:{^&d a  
3.4 Interference between two Plane Waves 41 k1Sr7|  
3.4.1 Laser Doppler Velocimetry (LDV) 45 O*m9qF<  
3.5 Interference between other Waves 46 VVHL@  
3.6 Interferometry 49 j&"GE':Y  
3.6.1 Wavefront Division 50 =iE)vY,?"}  
3.6.2 Amplitude Division 51 <&iLMb:%  
3.6.3 The Dual-Frequency Michelson Interferometer 54 .*nr3dY  
3.6.4 Heterodyne (Homodyne) Detection 55 "hLmwz|a  
3.7 Spatial and Temporal Coherence 56 }Ih5`$   
3.8 Optical Coherence Tomography 61 RW^e#z>m"E  
4 Diffraction 67 o~ReeZ7)Zg  
4.1 Introduction 67 c->?'h23)  
4.2 Diffraction from a Single Slit 67 IZ9* '0Z  
4.3 Diffraction from a Grating 70 Zxn>
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4.3.1 The Grating Equation. Amplitude Transmittance 70 lfyij[6q+  
4.3.2 The Spatial Frequency Spectrum 73 & hv@ &  
4.4 Fourier Optics 75 \_AoG8B  
4.5 Optical Filtering 76 KBwY _  
4.5.1 Practical Filtering Set-Ups 78 o5<