• Thumbnail for Physical optics
    In physics, physical optics, or wave optics, is the branch of optics that studies interference, diffraction, polarization, and other phenomena for which...
    5 KB (608 words) - 12:46, 17 March 2024
  • Thumbnail for Optics
    straight lines and bend when they pass through or reflect from surfaces. Physical optics is a more comprehensive model of light, which includes wave effects...
    106 KB (12,848 words) - 20:35, 5 April 2024
  • This article summarizes equations used in optics, including geometric optics, physical optics, radiometry, diffraction, and interferometry. There are...
    23 KB (576 words) - 18:37, 13 December 2023
  • Thumbnail for Radius of curvature (optics)
    the right radius of curvature is negative. Note however that in areas of optics other than design, other sign conventions are sometimes used. In particular...
    4 KB (431 words) - 01:45, 24 October 2023
  • Reflection phase change (category Physical optics)
    A phase change sometimes occurs when a wave is reflected, specifically from a medium with faster wave speed to the boundary of a medium with slower wave...
    9 KB (1,392 words) - 12:05, 28 March 2024
  • Thumbnail for Transfer-matrix method (optics)
    The transfer-matrix method is a method used in optics and acoustics to analyze the propagation of electromagnetic or acoustic waves through a stratified...
    13 KB (2,006 words) - 09:37, 20 February 2024
  • Thumbnail for Transmission coefficient
    coefficient refers to a chemical reaction overcoming a potential barrier; in optics and telecommunications it is the amplitude of a wave transmitted through...
    8 KB (1,229 words) - 10:24, 28 March 2024
  • Thumbnail for Thin lens
    In optics, a thin lens is a lens with a thickness (distance along the optical axis between the two surfaces of the lens) that is negligible compared to...
    6 KB (841 words) - 05:16, 6 February 2024
  • Thumbnail for Schlieren imaging
    Schlieren imaging is a method to visualize density variations in transparent media. The term "schlieren imaging" is commonly used as a synonym for schlieren...
    10 KB (1,225 words) - 22:27, 20 January 2024
  • Thumbnail for Aperture
    Aperture (redirect from Aperture (optics))
    In optics, the aperture of an optical system (including a system consisted of a single lens) is a hole or an opening that primarily limits light propagated...
    35 KB (4,702 words) - 12:02, 23 April 2024
  • Thumbnail for History of optics
    the beginnings of physical and physiological optics, and then significantly advanced in early modern Europe, where diffractive optics began. These earlier...
    44 KB (5,682 words) - 16:57, 21 December 2023
  • Thumbnail for Reflection (physics)
    incident light. This is an important principle in the field of thin-film optics. Specular reflection forms images. Reflection from a flat surface forms...
    16 KB (2,129 words) - 12:43, 20 April 2024
  • Fourier optics is the study of classical optics using Fourier transforms (FTs), in which the waveform being considered is regarded as made up of a combination...
    75 KB (12,771 words) - 11:06, 28 March 2024
  • Thumbnail for Brewster's angle
    Brewster's angle (category Physical optics)
    or prisms with their surfaces at the Brewster angle are commonly used in optics and laser physics in particular. The polarized laser light enters the prism...
    14 KB (1,707 words) - 19:14, 24 February 2024
  • Thumbnail for Total internal reflection
     335. E. Mach (tr.‍ J.S. Anderson & A.F.A. Young), The Principles of Physical Optics: An Historical and Philosophical Treatment (London: Methuen & Co, 1926)...
    109 KB (13,482 words) - 00:20, 23 April 2024
  • Thumbnail for Reflection coefficient
    Reflection coefficient (category Physical optics)
    incident wave, with each expressed as phasors. For example, it is used in optics to calculate the amount of light that is reflected from a surface with a...
    11 KB (1,478 words) - 12:55, 15 March 2023
  • Optical path length (category Physical optics)
    In optics, optical path length (OPL, denoted Λ in equations), also known as optical length or optical distance, is the length that light needs to travel...
    3 KB (522 words) - 15:24, 12 January 2024
  • Free spectral range (category Physical optics)
    {\pi {\sqrt {F}}}{2}}={\frac {\pi R^{1/2}}{(1-R)}}.} Hecht, Eugene (2017). Optics (5th ed.). pp. 431–433, 614. ISBN 9780133977226. OCLC 953709783. Rabus,...
    6 KB (886 words) - 11:13, 6 March 2022
  • Thumbnail for Ibn al-Haytham
    Ibn al-Haytham (category History of optics)
    John Peckham. Ibn al-Haytham paved the way for the modern science of physical optics. Ibn al-Haytham (Alhazen) was born c. 965 to a family of Arab or Persian...
    136 KB (15,086 words) - 14:21, 18 April 2024
  • Thumbnail for Signal reflection
    Signal reflection (category Physical optics)
    In telecommunications, signal reflection occurs when a signal is transmitted along a transmission medium, such as a copper cable or an optical fiber. Some...
    5 KB (526 words) - 03:14, 3 June 2023
  • Thumbnail for Fresnel equations
    Fresnel equations (category Physical optics)
    Fundamentals of Optics, 4th Ed., New York: McGraw-Hill, ISBN 0-07-032330-5. H. Lloyd, 1834, "Report on the progress and present state of physical optics", Report...
    70 KB (8,291 words) - 18:50, 28 February 2024
  • Coherence time (category Physical optics)
    For an electromagnetic wave, the coherence time is the time over which a propagating wave (especially a laser or maser beam) may be considered coherent...
    2 KB (272 words) - 18:23, 15 April 2024
  • Thumbnail for Gradient-index optics
    Gradient-index (GRIN) optics is the branch of optics covering optical effects produced by a gradient of the refractive index of a material. Such gradual...
    14 KB (1,858 words) - 22:50, 7 December 2023
  • Thumbnail for Radar cross section
    such as geometric optics, physical optics, the geometric theory of diffraction, the uniform theory of diffraction and the physical theory of diffraction...
    31 KB (4,290 words) - 22:35, 29 March 2024
  • Thumbnail for Light
    Light (section Optics)
    medium, Descartes's theory of light is regarded as the start of modern physical optics. Pierre Gassendi (1592–1655), an atomist, proposed a particle theory...
    51 KB (6,334 words) - 20:17, 13 April 2024
  • Thumbnail for Fermat's principle
    Fermat's principle (category Physical optics)
    also known as the principle of least time, is the link between ray optics and wave optics. Fermat's principle states that the path taken by a ray between...
    61 KB (8,178 words) - 09:56, 20 February 2024
  • Thumbnail for Gerchberg–Saxton algorithm
    Gerchberg–Saxton algorithm (category Physical optics)
    forward Fourier transform to the source distribution. Phase retrieval Fourier optics Holography Adaptive-additive algorithm Gerchberg, R. W.; Saxton, W. O. (1972)...
    4 KB (463 words) - 00:23, 25 January 2024
  • Thumbnail for David Brewster
    science he is principally remembered for his experimental work in physical optics, mostly concerned with the study of the polarization of light and including...
    37 KB (4,062 words) - 13:57, 1 April 2024
  • Thumbnail for Josiah Willard Gibbs
    Josiah Willard Gibbs (category American physical chemists)
    states of a physical system composed of many particles. Gibbs also worked on the application of Maxwell's equations to problems in physical optics. As a mathematician...
    91 KB (10,201 words) - 05:57, 12 April 2024
  • In optics, piston is the mean value of a wavefront or phase profile across the pupil of an optical system. The piston coefficient is typically expressed...
    2 KB (252 words) - 20:33, 4 June 2023