An interferometer is a device for extracting information from the superposition of multiple waves.
Field and linear interferometers Air-wedge shearing interferometer Astronomical interferometer / Michelson stellar interferometer Classical interference microscopy Bath interferometer (common path) Cyclic interferometer Diffraction-grating interferometer (white light) Double-slit interferometer Dual-polarization interferometry Fabry–Pérot interferometer Fizeau interferometer Fourier-transform interferometer Fresnel interferometer (e.g. Fresnel biprism, Fresnel mirror or Lloyd's mirror) Fringes of Equal Chromatic Order interferometer (FECO) Gabor hologram Gires–Tournois etalon Heterodyne interferometer (see heterodyne) Holographic interferometer Jamin interferometer Laser Doppler vibrometer Linnik interferometer (microscopy) LUPI variant of Michelson Lummer–Gehrcke interferometer Mach–Zehnder interferometer Martin–Puplett interferometer Michelson interferometer Mirau interferometer (also known as a Mirau objective) (microscopy) Moiré interferometer (see moiré pattern) Multi-beam interferometer (microscopy) Near-field interferometer Newton interferometer (see Newton's rings) Nomarski interferometer Nonlinear Michelson interferometer / Step-phase Michelson interferometer N-slit interferometer Phase-shifting interferometer (phase-shifting interferometry) Planar lightwave circuit interferometer (PLC) Photon Doppler velocimeter interferometer (PDV) Polarization interferometer (see also Babinet–Soleil compensator) Point diffraction interferometer Rayleigh interferometer Sagnac interferometer Schlieren interferometer (phase-shifting) Shearing interferometer (lateral and radial) Twyman–Green interferometer Talbot–Lau interferometer Watson interferometer (microscopy) White-light interferometer (see also Optical coherence tomography, White light interferometry, and Coherence Scanning Interferometry) White-light scatterplate interferometer (white-light) (microscopy) Young's double-slit interferometer Zernike phase-contrast microscopy ZWF interferometer (microscopy)(see https://doi.org/10.1117/1.OE.55.7.074110)
Intensity and nonlinear interferometers intensity interferometer intensity optical correlator frequency-resolved optical gating (FROG) Spectral phase interferometry for direct electric-field reconstruction (SPIDER)
Quantum optics interferometers Hong–Ou–Mandel interferometer (HOM) (see Hong–Ou–Mandel effect) Franson interferometer Hanbury–Brown Twiss interferometer Polariton interferometer
Interferometers outside optics Acoustic interferometer Atom interferometer Neutron interferometer Ramsey interferometer Mini grail interferometer Aharonov–Bohm effect Interferometric synthetic-aperture radar (a radar-based 3-d surface mapping) Superconducting quantum interference devices (SQUIDs) White–Juday warp-field interferometer
See also Atacama Large Millimeter Array