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Shengwang Du
2015, the Year of Light
5.4.1 Planar
Mirrors
Aspherical Mirrors
Paraboloidal Mirror
Aspherical Mirrors
5.4.3 Spherical Mirrors
Mirror Formula
1
𝑠𝑜+1
𝑠𝑖=
1
𝑓
𝑓 = −𝑅
2
𝑅 < 0
Negative Focal Length
1
𝑠𝑜+1
𝑠𝑖=
1
𝑓
𝑓 = −𝑅
2
𝑅 > 0
Imagery with spherical mirrors
1
𝑠𝑜+1
𝑠𝑖=
1
𝑓
𝑓 = −𝑅
2
5.5.1 Dispersing Prisms
sin 𝜃𝑖1 = 𝑛 sin 𝜃𝑡1
𝑛 sin 𝜃𝑖2 = sin 𝜃𝑡2
Dispersing Prims
𝑛 =sin[(𝛿𝑚 + 𝛼)/2]
sin 𝛼/2
Constant Deviation Dispersing Prisms
5.5.2 Reflecting Prisms(internal reflection without dispersion)
Reflecting Prisms
Fiber Optics
𝑁𝐴 = 𝑛𝑖 sin 𝜃𝑚𝑎𝑥
Colonoscope
Fiberoptical Communication
Charles K KaoNobel Prize in Physics in 2009
“for groundbreaking achievements concerning the transmission of light in fibers for optical communication”
Eyes
Eyeglasses
Microscope
Camera
Telescope
5.7 Optical Systems
Eye
Eyeclasses
Microscope
Camera
Telescope
Hubble Telescope
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