Basics of Interferometry
This book is for those who have some knowledge of optics, but little or no previous experience in interferometry. Accordingly, the carefully designed presentation helps readers easily find and assimilate the interferometric techniques they need for precision measurements. Mathematics is held to a minimum, and the topics covered are also summarized in capsule overviews at the beginning and end of each chapter. Each chapter also contains a set of worked problems that give a feel for numbers.
The first five chapters present a clear tutorial review of fundamentals. Chapters six and seven discuss the types of lasers and photodetectors used in interferometry. The next eight chapters describe key applications of interferometry: measurements of length, optical testing, studies of refractive index fields, interference microscopy, holographic and speckle interferometry, interferometric sensors, interference spectroscopy, and Fourier-transform spectroscopy. The final chapter offers suggestions on choosing and setting up an interferometer.
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Phase Shifts on Reflection
The TwymanGreen Interferometer
Adjustment of the MachZehnder Interferometer
Fourier Transforms and Correlation
Chapter 9 Optical Testing
Chapter 10 Digital Techniques
Chapter 11 Macro and MicroInterferometry
Chapter 12 Holographic and Speckle Interferometry
Chapter 13 Interferometric Sensors
Chapter 14 Interference Spectroscopy
Chapter 15 FourierTransform Spectroscopy
Chapter 16 Choosing an Interferometer
Monochromatic Light Waves
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acousto-optic modulator angle aperture Appendix axis beam splitter birefringent coefﬁcient coherence collimating lens complex amplitude corresponding deﬁned detector diameter diffraction dye laser electric ﬁeld equal thickness extended source Fabry—Perot interferometer Figure ﬁlter ﬁnesse ﬁrst ﬁxed Fizeau interferometer ﬂat ﬂow focal Fourier transform frequency fringes of equal Hariharan He-Ne laser hologram Holographic illuminated incident infrared intensity interference fringes interference pattern interfering interferogram laser beam lateral shearing interferometer length light wave longitudinal modes Mach—Zehnder interferometer Michelson microscope objective mirror modulator monochromatic Multiple-beam fringes Multiple-Beam Interference obtained optical interferometry optical path difference output parallel phase difference phase shift photodiode pinhole plane plate point source polarized Problems Problem produced proﬁle radial shearing interferometer Rayleigh interferometer reference beam reﬂected refractive index rotation Sagnac interferometer shearing interferometer shown in Fig speckle interferometry spectral spectrum techniques test surface test wavefront thin ﬁlm transmitted Twyman—Green interferometer typical vibration amplitude visibility wavelength