基礎光學 - cct.me.ntut.edu.tw · mirror incident light reflected light θi θr...
TRANSCRIPT
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Fundamentals Overview
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1. Geometrical Optics ()
1.1 Reflection1.2 Refraction
2. Wave Optics ()2.1 Reflection2.2 Refraction2.3 Diffraction2.4 Interference
3. Quantum Optics3.1 Absorption3.2 Emission
4. Statistical Optics
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[1] Eugene Hecht, Optics, Addison Wesley Co., New York 2001.[2] W. Lauterborn, T. Kurz, M. Wiesenfeldt, Coherent Optics,
Fundamentals and Applications. Springer Verlag, Berlin 2003.
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Geometrical Optics ()
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Reflection - 1
Angle of Incident = Angle of Reflection
i r =
i r
Incident Light Reflected Light
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Reflection - 2
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Refraction
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Snells Law
sin sini i t tn n =
cnv
=
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Refraction
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Prism
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MirrorIncident Light Reflected Light
i r
Incident Light Reflected Light
i r
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Fermats Principle - 1
AB
AB
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Fermats Principle - 2Light, in going from point S to P, traverses the route having the smallest optical path length.
Gladstone and Dale:(experimentally)
1n
p RT=
11nT
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Techniques of Flow Visualization
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Shadow
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Principle of Shadow Technique
Light Source
LensFilm
Test SectionLens
Lens
The Variation of Distribution of Density, the Variation of index of Refraction.
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Schlieren
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Principle of Schlieren Technique
Light Source
LensFilm
Test Section
EdgeLensLens
Focus
dIdx
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Principle of Schlieren Technique
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Color Schlieren
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Experimental Setup of Color Schlieren Technique
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Shock Waves
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Shock/Boundary Layer Interaction
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Shock/Boundary Layer Interaction
Flow
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Shock Waves in Supersonic Flow
Flow
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Shock Waves in Transonic Flow
Flow
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Two Dimensional Photography
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Parallel Light
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Heat Flux
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Laser Schlieren
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DiffractionParallel Plane Light Waves
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Wave Optics ()
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E E
B B
E E
B B
E B
F qE maF qvB maF aE cF vB v ac v a a
= == =
= = =
E cB=
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Harmonic Waves
sin( )A kx t = +
: (Wave Number)k : (Wave Length) :(Angular Frequency) : (Frequency) : (Period) : (Initial Phase)
2k
=
2 2
= =
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Harmonic Waves
sin sin( 2 ) = sin sin( )x x =
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Wave
1. Wave Length( )nm
2. Frequency1( )
secf
3. Phase(deg)
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Frequency
v fvf
=
=
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Wave Length
v fvf
=
=
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Reflection
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Refraction
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Diffraction - 1
coherent
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Diffraction - 2
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Interference - 1
coherent
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Interference - 2
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Quantum Optics
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Quantum Optics
Energy of Photon E h=
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Absorption and Emission