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Relevant bibliographies by topics / Fabry-Perot interferometers

Academic literature on the topic 'Fabry-Perot interferometers'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 March 2023

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Journal articles on the topic "Fabry-Perot interferometers"

1

Steel, W. H. "Fabry-Perot Interferometers." Optica Acta: International Journal of Optics 33, no. 10 (October 1986): 1227. http://dx.doi.org/10.1080/716099694.

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Henderson, A. R. "Fabry-Perot interferometers." Optics & Laser Technology 18, no. 5 (October 1986): 274. http://dx.doi.org/10.1016/0030-3992(86)90094-0.

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Sica, R. J. "Fabry-Perot Interferometers." Eos, Transactions American Geophysical Union 69, no. 3 (1988): 37. http://dx.doi.org/10.1029/88eo00026.

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Budinski, Vedran, and Denis Donlagic. "Miniature Twist/Rotation Fabry Perot Sensor Based on a Four-Core Fiber." Proceedings 2, no. 13 (December 11, 2018): 1091. http://dx.doi.org/10.3390/proceedings2131091.

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This paper presents a miniature Fabry Perot twist/rotation sensor. The presented sensor consists of a single lead-in multicore fiber, which has four eccentrically positioned cores, a special asymmetrical microstructure, similar to a truncated cylinder, and an inline semi reflective mirror, all packed in a glass capillary housing. The perpendicular cut lead-in multicore fiber and the inline semi reflective mirror form four Fabry-Perot cavities. The optical path length of each Fabry-Perot interferometer is defined by the distance between mirrors, refractive index and twist/rotation angle of the microstructure in relation to the core positions in the lead in multicore fiber. Optical paths of Fabry-Perot Interferometers are modulated by a structure’s twist/rotation, change of structure length, or change of temperature. Each of these parameters modulate the optical path length of the individual interferometers in their own separate fashion, thus allowing independent measurements of twist/rotation, length/strain and temperature.

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van de Stadt, Herman, and Johan M. Muller. "Multimirror Fabry–Perot interferometers." Journal of the Optical Society of America A 2, no. 8 (August 1, 1985): 1363. http://dx.doi.org/10.1364/josaa.2.001363.

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Budinski, Vedran, and Denis Donlagic. "A Miniature Fabry Perot Sensor for Twist/Rotation, Strain and Temperature Measurements Based on a Four-Core Fiber." Sensors 19, no. 7 (April 1, 2019): 1574. http://dx.doi.org/10.3390/s19071574.

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In this article, a novel miniature Fabry-Perot twist/rotation sensor using a four core fiber and quadruple interferometer setup is presented and demonstrated. Detailed sensor modeling, analytical evaluation and test measurement assessment were conducted in this contribution. The sensor structure comprises a single lead-in multicore fiber, which has four eccentrically positioned cores, a special asymmetrical microstructure, and an inline semi-reflective mirror, all packed in a glass capillary housing. A four core fiber positioned in front of a special asymmetrical microstructure and the inline semi reflective mirror defines four Fabry-Perot interferometers. Rotation of the sensors’ asymmetrical microstructure around the axis of the in-line four core fibers´ modulates the path lengths of all four interferometers simultaneously. Proper processing of path length changes of all four interferometers allows for unambiguous and temperature independent determination of the sensor’s rotation angle.

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Golyak, I. S., A. N. Morozov, A. L. Nazolin, S. E. Tabalin, A. A. Esakov, and I. V. Fomin. "Information-Measuring Complex to Detect High Frequency Gravitational Waves." Radio Engineering, no. 2 (August 22, 2021): 13–23. http://dx.doi.org/10.36027/rdeng.0221.0000190.

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The gravitational waves predicted by the general theory of relativity and detected by the Laser Interferometer Gravitational-wave Observatory (LIGO) have typical frequencies in the range of 30 ... 300 Hz. Current theories of gravity predict the existence of high-frequency gravitational waves with frequencies of 10 ... 100 MHz, including those of cosmological origin, induced by quantum fluctuations of the scalar field at the stage of cosmological inflation in the early Universe.Multi-beam optical resonators, in particular the Fabry-Perot interferometers, can be used to detect high-frequency gravitational waves. When using multi-beam optical resonators, it is possible to use the phenomenon of low-frequency optical resonance, which allows us to have a selective response to the gravitational wave effect. The gravitational-optical resonance in a multi-beam interferometer occurs if the condition is fulfilled that an integer number of half-waves of gravitational radiation is along the length of the resonator.The use of a multi-beam interferometer to detect high-frequency gravitational waves does not require the creation of a complex system for decoupling mirrors used for gravitational antennas operating in the low-frequency part of the spectrum. This is due to the fact that the frequency of mechanical vibrations of the interferometer mirrors is significantly less than the frequency of the gravitational wave.The paper considers possible optical schemes of a high-frequency gravitational antenna: based on the traditional Michelson interferometer, in the arms of which two Fabry-Perot interferometers are available, and on the basis of the Mach-Zehnder optical scheme, where Fabry-Perot interferometers can be made in the form of two perpendicular arms, with reflecting mirrors at the bend of the beam. The advantage of the second scheme is that three photo-detectors, one being main and two others being auxiliary, can be used, and there is a possibility to detect radiation transmitted by Fabry-Perot interferometers.To prove that detection of high-frequency gravitational waves is possible, a potential sensitivity of the high-frequency gravitational antenna has been estimated in the paper.

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Gomes, André D., Martin Becker, Jan Dellith, Mohammad I. Zibaii, Hamid Latifi, Manfred Rothhardt, Hartmut Bartelt, and Orlando Frazão. "Multimode Fabry–Perot Interferometer Probe Based on Vernier Effect for Enhanced Temperature Sensing." Sensors 19, no. 3 (January 22, 2019): 453. http://dx.doi.org/10.3390/s19030453.

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New miniaturized sensors for biological and medical applications must be adapted to the measuring environments and they should provide a high measurement resolution to sense small changes. The Vernier effect is an effective way of magnifying the sensitivity of a device, allowing for higher resolution sensing. We applied this concept to the development of a small-size optical fiber Fabry–Perot interferometer probe that presents more than 60-fold higher sensitivity to temperature than the normal Fabry–Perot interferometer without the Vernier effect. This enables the sensor to reach higher temperature resolutions. The silica Fabry–Perot interferometer is created by focused ion beam milling of the end of a tapered multimode fiber. Multiple Fabry–Perot interferometers with shifted frequencies are generated in the cavity due to the presence of multiple modes. The reflection spectrum shows two main components in the Fast Fourier transform that give rise to the Vernier effect. The superposition of these components presents an enhancement of sensitivity to temperature. The same effect is also obtained by monitoring the reflection spectrum node without any filtering. A temperature sensitivity of -654 pm/°C was obtained between 30 °C and 120 °C, with an experimental resolution of 0.14 °C. Stability measurements are also reported.

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Jockers, Klaus. "Astronomical Observations of Comets and the Io Torus Using Fabry-Perot-Interferometry." International Astronomical Union Colloquium 149 (1995): 182–87. http://dx.doi.org/10.1017/s0252921100022910.

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AbstractFabry-Perot interferometers have been applied in a focal reducer to observe radiation from atoms and molecules in comets and in the Io torus. Tunable Fabry-Perot interferometers have been used as narrowband filters, and an etalon with fixed airgap in classical arrangement was employed for the measurement of Doppler shifts and for narrow-line photometry.

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Hogeveen, Sake J., and Herman van de Stadt. "Fabry-Perot interferometers with three mirrors." Applied Optics 25, no. 22 (November 15, 1986): 4181. http://dx.doi.org/10.1364/ao.25.004181.

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Dissertations / Theses on the topic "Fabry-Perot interferometers"

1

Chang, Cheng-Chun. "Coupled-waveguide Fabry-Perot resonator." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10062009-020056/.

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Tran, Tuan A. "Extrinsic Fabry-Perot interferometer for surface acoustic wave measurement." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10242009-020318/.

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Neal, Kerry Ann. "A confocal Fabry-Perot interferometer for use in LIDAR receivers." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/neal/NealK1209.pdf.

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A series of crop rotations were evaluated for their impacts on soil-borne populations of root lesion nematodes, Pratylenchus neglectus. Population changes, measured as the ratio of P. neglectus adults counted at harvest to those counted at planting time, was recorded under a series of two-year rotations alternating winter wheat with either fallow, barley, pea, lentil, canola, and camelina. Fallow, barley, pea, and camelina were found to have a neutral effect on nematode populations (p < 0.001). Winter wheat and canola caused significant increases in populations, while lentils caused significant decreases (p < 0.001). Populations were sustained through winter following winter wheat and barley, but not canola, camelina, pea, lentil, or fallow treatments (p < 0.001). In addition to the rotation study, cultivars of barley and canola were evaluated for their resistance to P. neglectus. Greenhouse trials for barley showed significant differences among 19 cultivars tested (p < 0.001), with a 5-fold difference in P. neglectus multiplication separating the least- from the most resistant. Separation among cultivars was not found with canola (p = 0.20). The information gathered in this study will help Montana wheat growers better understand the impacts of their crop selections on this important pest.

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Dhawan, Rajat R. "The split-cavity cross-coupled extrinsic fiber interferometer." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12052009-020307/.

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Zeakes, Jason S. "Extrinsic Fabry-Perot Interferometric hydrogen gas sensor." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06162009-063525/.

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Conkey, Andrew P. "Vibration sensors utilizing fiber fabry-perot interferometers and permanent magnets." Thesis, [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1541.

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Gross, Mason A. "An investigation of nonlinear fabry-perot structures and modulators." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/14954.

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Corbett, Kerry. "Modelling and experiments on the behaviour of injection current modulated multimode semiconductor lasers." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phc7891.pdf.

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Bibliography: p. 215-231. This thesis investigates the behaviour of semiconductor lasers under large amplitude sinusoidal current modulations. It focuses directly on the behaviour of Faby-Perot lasers under direct modulation of the injection current.

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Bhatia, Vikram. "Signal processing techniques for optical fiber sensors using white light interferometry." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09192009-040440/.

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Walmsley, Byron Alan. "Micromechanical investigation of MEMS-based short-wave infrared tunable Fabry-Perot filters." University of Western Australia. School of Mechanical Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0188.

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[Truncated abstract] This study investigates the mechanical and physical properties of low-temperature (100-300 ?C) plasma enhanced chemical vapour deposited (PECVD) silicon nitride (SiNxHy) thin films for the fabrication of short-wave infrared tunable Fabry-Perot filters with high fill factor, high cavity finesse and low actuation voltages. It has been the intensions of this work to fabricate a tunable filter that can be monolithically integrated with temperature-sensitive substrates, namely mercury cadmium telluride (Hg(1-x)CdxTe) photoconductors and photodiodes. A range of methods have been utilised to determine the Young's modulus (E), residual stress ([sigma]0), density ([rho]) and Poisson's ratio ([nu]) of PECVD SiNxHy thin films. In order to understand how E, [sigma]0, [rho] and [nu] are affected by process conditions, a range of SiNxHy thin films deposited with varying chuck temperatures, RF powers and chamber pressures were measured. The resonance method was used to determine E and [nu] of SiNxHy thin films deposited under varying process conditions. The resonance method involves exciting the bending and torsional vibration modes of a microcantilever beam fabricated from a film. The E and G values can be extracted directly from the bending and torsional vibration modes and the [nu] value can be determined from the calculated E and G values. The density of the films was determined using the quartz crystal microbalance method. In order to determine the validity of the resonance method, finite element modelling was used to determine its dependence on microcantilever beam dimensions. ... Increasing the temperature also increases the tensile residual stress of the films. This study also reveals that increasing the RF power and decreasing the chamber pressure increases E and [rho], as well as increasing the compressive residual stress of the films. The theoretical design and analysis, as well as the fabrication of a new surface micromachined short-wave infrared tunable Fabry-Perot filter for adaptive infrared photon detectors is also presented in this study. The proposed structure, termed the suspension filter, uses broad spectral range, high reflectivity distributed Bragg reflector (DBR) mirrors, resulting in very high finesse filters. The device utilises multiple sacrificial layers to define the resonant cavity spacer and the separation of the top mirror from the supporting flexures. The flexures were fabricated from low-temperature (PECVD) SiNxHy thin films. Separation of the top mirror from the supporting flexures allows for improved fill-factors (up to 79%), as well as increased tuning range. Theoretical optical and electromechanical results shows large wavelength tuning ranges (1.5-2.5 [mu]m) at low actuation voltages (<30 V) are possible using the proposed design, whilst still maintaining a high cavity finesse. Optical characterisation of fixed filter micro-cavities on Si substrates show transmissions of ~60% with small line widths (35 nm) are achievable using the proposed mirror system. Mirror displacement versus applied bias voltage curves obtained from a released filter fabricated on Si show a stable mirror displacement of 620 nm was achieved, whilst theoretical results suggested the required 750 nm mirror displacement is possible using the proposed design.

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Books on the topic "Fabry-Perot interferometers"

1

Fabry-Perot interferometers. Cambridge [Cambridgeshire]: Cambridge University Press, 1986.

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Fabry-Perot interferometers. Cambridge: Cambridge University Press, 1986.

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3

Vaughan, J. M. The Fabry-Perot interferometer: History, theory, practice, and applications. Bristol, Eng: A. Hilger, 1989.

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Valis, Tomas. Fiber optic Fabry-Perot strain gauge. [S.l.]: [s.n.], 1990.

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Vaughan, M. The Fabry-Perot Interferometer: History, Theory, Practice and Applications. London: Taylor and Francis, 2017.

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Udupa, D. V. The design, fabrication, and testing of an air spaced Fabry-Perot etalon for dye laser wavelength stabilization system. Mumbai, India: Bhabha Atomic Research Centre, 1997.

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United States. National Aeronautics and Space Administration., ed. Fiber-optic temperature sensor using a thin-film Fabry-Perot interferometer. [Cleveland, Ohio]: Dept. of Electrical Engineering and Applied Physics, Case Western Reserve University, 1997.

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United States. National Aeronautics and Space Administration., ed. Fiber-optic temperature sensor using a thin-film Fabry-Perot interferometer. [Cleveland, Ohio]: Dept. of Electrical Engineering and Applied Physics, Case Western Reserve University, 1997.

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9

Zuliani, Gary Louis. Demodulation of a fiber Fabry-Perot strain rosette using white light interferometry. [Downsview, Ont.]: University of Toronto, Graduate Dept. of Aerospace Science and Engineering, 1993.

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Smith, Alphonso C. "Development of an ultrasonic and Fabry-Perot interferometer for non-destruction inspection of aging aircraft": Final report for NASA Dryden Flight Research Center grant # NAG4-0012. Hampton, Va: Hampton University, 1998.

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Book chapters on the topic "Fabry-Perot interferometers"

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Atherton, Paul. "Fabry-Perot Interferometers." In Instrumentation for Ground-Based Optical Astronomy, 124–33. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3880-5_11.

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Apanasevich, S. P., F. V. Karpushko, and G. V. Sinitsyn. "Optical Bistability in Vacuum-Deposited Semiconductor Fabry-Perot Interferometers." In Laser Optics of Condensed Matter, 475–80. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4615-7341-8_59.

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Goncharova, Olga V., and Sergey A. Tikhomirov. "Picosecond All-Optical Switching in Thin-Film Fabry-Perot Interferometers and Cavityless Devices." In Ultrafast Processes in Spectroscopy, 573–78. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-5897-2_128.

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Carusotto, I., and G. C. La Rocca. "The Atomic Fabry-Perot Interferometer." In Bose-Einstein Condensates and Atom Lasers, 153–63. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/0-306-47103-5_11.

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Ueha, S., N. Wang, M. Ohgaki, and M. Okujima. "Hydrophone Using a Fiber Fabry-Perot Interferometer." In Progress in Underwater Acoustics, 657–63. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1871-2_78.

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Mitchell, Gordon L. "Intensity-Based and Fabry-Perot Interferometer Sensors." In Fiber Optic Sensors, 119–34. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118014103.ch6.

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Berkovits, Richard. "Disordered Fabry-Perot Interferometer: Diffusive Wave Spectroscopy." In Photonic Band Gaps and Localization, 201–6. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4899-1606-8_16.

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Pence, William D. "Imaging Fabry-Perot Interferometry in Extragalactic Astronomy." In The World of Galaxies, 359–72. New York, NY: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-9356-6_53.

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Holá, Miroslava, Jan Hrabina, Antonín Fejfar, Jan Kočka, Jiří Stuchlík, Ondřej Číp, Jindřich Oulehla, and Josef Lazar. "Displacement Interferometry within a Passive Fabry-Perot Cavity." In Fringe 2013, 891–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-36359-7_166.

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Koski, K., J. Müller, H. D. Hochheimer, and J. L. Yarger. "High-Pressure Brillouin Spectroscopy Using an Angle Dispersive Fabry-Perot Interferometer." In Frontiers of High Pressure Research II: Application of High Pressure to Low-Dimensional Novel Electronic Materials, 533–40. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0520-3_41.

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Conference papers on the topic "Fabry-Perot interferometers"

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Taylor, B., E. Goldstein, M. Wilkens, and P. Meystre. "A Fabry-Perot interferometer for atoms." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.tuaaa3.

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Recent progress in atom optics has culminated in several demonstrations of atom interferometers. These rely on the passage of atoms through mechanical or light gratings and may be roughly characterized as Mach–Zehnder interferometers. In this communication, we propose a scheme to realize a Fabry–Perot interferometer for atoms. The mirrors are realized by the field gradient resulting from the spatial mode structure in optical or microwave cavities. When ultra- cold atoms impinge on such cavities, they experience quantum mechanical reflection and transmission that result in the appearance of longitudinal modes for the atomic wave function. We present a model of such a Fabry–Perot interferometer for two-level atoms. We discuss the intra-cavity matter–wave mode structure as well as the transmittivity and reflectivity characteristics of the interferometer. The potential generation of macroscopic quantum waves using such a device, as well as its potential as a sensitive photon detector, will be addressed.

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Bland, Jonathan, R. Brent Tully, and Gerald N. Cecil. "Hawaii imaging Fabry-Perot interferometers." In Astronomy '90, Tucson AZ, 11-16 Feb 90, edited by David L. Crawford. SPIE, 1990. http://dx.doi.org/10.1117/12.19122.

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Goad, Joseph H., Kazmere C. Romanczyk, and Charles D. Engle. "Empirical thermal design of Fabry-Perot interferometer mechanical supports." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.mr28.

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Fabry-Perot interferometers have been used in many applications for wavelength and spectral measurements. Our objective is to develop and construct a wavemeter to provide laser wavelength centroid measurements of tunable solidstate lasers. Because of the high resolution and prior use in many applications, the classical Fabry-Perot-based wavemeter was chosen. With interferometers, one of the most difficult problems is to maintain thermal stability over ambient temperature excursions. For the wavemeter, a two-stage thermal control has been evaluated. The interferometer is mounted in a thermal-vacuum chamber with fine temperature control. This interferometer system is then enclosed with a second housing with course thermal control. In both cases, the temperature control is above ambient to provide simpler regulation. With the thermal control provided, the other variable is how to mount the Fabry-Perot interferometer to minimize thermally induced mechanical mounting stresses. Several support fixtures were evaluated using a Zeeman stabilized single frequency He-Ne laser as the source and a photodiode array as the detector. The laser is considered a perfect source with any end-to-end interferometer output variations caused by thermal-mechanical mounting stresses. A wide range of end-to-end measurements on a three-finger flexture support provides data to within the stabilization specification of the He-Ne laser.

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Murphy, Kent A., Vikram Bhatia, Richard O. Claus, Paul G. Duncan, Mark E. Jones, Jennifer L. Grace, Jonathan A. Greene, and Tuan A. Tran. "Multiplexed extrinsic Fabry-Perot interferometers and applications." In European Symposium on Optics for Environmental and Public Safety, edited by John P. Dakin and Alan D. Kersey. SPIE, 1995. http://dx.doi.org/10.1117/12.219615.

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Riesen, Nicolas, Nicholas Phillips, Craig Priest, Linh V. Nguyen, and David G. Lancaster. "Lensed GRIN Fiber-Optic Fabry-Perot Interferometers." In Frontiers in Optics. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/fio.2020.jtu7d.4.

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Huang, Jin, Rakesh Gosangi, Ricardo Gutierrez-Osuna, and Perena Gouma. "Active Sensing with Fabry-Perot Infrared Interferometers." In OLFACTION AND ELECTRONIC NOSE: PROCEEDINGS OF THE 14TH INTERNATIONAL SYMPOSIUM ON OLFACTION AND ELECTRONIC NOSE. AIP, 2011. http://dx.doi.org/10.1063/1.3626296.

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Krishnakumar, S., V. Ozguz, C. Fan, S. Esener, and S. H. Lee. "Thin PLZT film Fabry-Perot light modulators." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.tht2.

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One of the techniques used to make smart spatial light modulators (S-SLM) involves the deposition of a thin film of electrooptic lead lanthanum zirconate titanate (PLZT) on silicon-on-sapphire substrate next to silicon circuits. By fabricating silicon devices prior to deposition of PLZT films, VLSI circuits of any complexity can be achieved and linked to PLZT modulators on the same sub-strate. The amount of light modulation that can be achieved through thin PLZT fdms can be dramatically improved by placing the film in a Fabry-Perot interferometer. The interferometer would also offer attractive features such as high speeds (due to low intrinsic capacitance) and low switching energies. The first step in the development of Fabry-Perot interferometers involves the deposition of PLZT films on a reflective layer such as highly oriented thin platinum films grown on silicon or sapphire substrates. A final step in the process would be the deposition of a top layer of a mirror stack.

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Goad, Joseph H., Kazmere C. Romanczyk, and Charles D. Engle. "Fabry-Perot interferometer misalignment: the effect on image plane tilt." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.tuu19.

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Many papers have been published on the imaging effects in Fabry-Perot interferometers. Hodgkinson and Vukusic1 have published the effects of secondary fringes that exist when the interference fringes are not focused. McMillan2 described the effects of fringe shift and of multiple source fringe splitting that is caused by misalignment. While observing Fabry-Perot fringes through a microscope, we found that the effects of plate misalignment could be corrected by tilting the microscope image plane to match the interferometer image tilt. Slight misalignment causes large image plane tilts that are related to the interferometer plate separation and the interferometer finesse. In our application, the interferometer was inaccessible in a vacuum chamber. By tilting our observation plane at the interferometer image plane outside the chamber, acceptable data could be obtained without taking the chamber apart to realign the interferometer.

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Rosenberger, Frederick F., David S. Schreiber, and Don L. DeVoe. "Micromachined Fabry-Perot Interferometers for the Demodulation of Fiber Optic Strain Sensors." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/mems-23844.

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Abstract Two types of micromachined Fabry-Perot interferometers have been developed to serve as adjustable read-out interferometers for an optical fiber strain sensor system. The fabricated micromirror serves as one reflective surface of the Fabry-Perot cavity, with the cleaved, coated end of the input optical fiber acting as the second surface. Electrostatic and thermal actuators allow adjustment of the cavity spacing. Due to the particular system requirements, the micromotors used to position the mirror must provide large displacements (over 50μm) with sub-micron positioning accuracy. Two different embodiments of the interferometer design, including integrated micromotors, have been achieved. The first design, fabricated using the Cronos MUMPs 2.5-layer polysilicon process, consists of a pop-up mirror mounted on a slider that is positioned in front of the fiber by an electrothermal stepper motor. The second design, fabricated using Deep Reactive Ion Etching (DRIE) of single crystal silicon, uses a bulk etched silicon mirror that is positioned in front of the fiber by an electrostatic comb drive. Design, fabrication, and characterization of the interferometers are discussed.

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Skinner, Wilbert R., and Vincent J. Abreu. "Inversion of Fabry-Perot CCD Images: A comparison of techniques." In Optical Remote Sensing of the Atmosphere. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/orsa.1990.pd4.

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Abstract:

The Fabry-Perot interferometer has been used extensively to probe the upper atmosphere of the earth from ground based and satellite observatories. The high spectral resolution and throughput of this device make it ideal for measuring the line shapes and Doppler shifts of absorption and emission spectral features. Detectors for near visible Fabry-Perot interferometers have advanced from photographic film to single channel photomultipliers to multichannel photomultipliers. Further advances in our understanding of the physical processes dominating the upper atmosphere demand observational capability near 1µ. In the red and near-infrared portions of the spectrum, charge-coupled devices (CCD) are very efficient detectors. High quantum efficiency and broad spectral response (UV to near infrared) render CCDs highly desirable as imaging devices for Fabry-Perot interferometer applications. Other important characteristics of CCDs are their high spatial resolution, low noise, large dynamic range and linearity. A major limitation is the read noise, which restricts low light level applications unless special precautions are taken. This paper discusses one way to reduce the effect of read noise when the image is a circularly symmetric pattern such as a Fabry-Perot finge.

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