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  2. Jupiter - Wikipedia

    en.wikipedia.org/wiki/Jupiter

    Based on Jupiter's composition, researchers have made the case for an initial formation outside the molecular nitrogen (N 2) snow line, which is estimated at 20–30 AU (3.0–4.5 billion km; 1.9–2.8 billion mi) from the Sun, and possibly even outside the argon snow line, which may be as far as 40 AU (6.0 billion km; 3.7 billion mi).

  3. Jupiter radius - Wikipedia

    en.wikipedia.org/wiki/Jupiter_radius

    The Jupiter radius or Jovian radius (R J or R Jup) has a value of 71,492 km (44,423 mi), or 11.2 Earth radii (R 馃湪) [2] (one Earth radius equals 0.08921 R J). The Jupiter radius is a unit of length used in astronomy to describe the radii of gas giants and some exoplanets. It is also used in describing brown dwarfs.

  4. List of largest exoplanets - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_exoplanets

    The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all planets that are larger than 1.7 times the size of Jupiter.Some well-known planets that are smaller than 1.7 R J (19.055 R 馃湪 or 121 536.4 km) have been included for the sake of comparison.

  5. Jupiter (lenses) - Wikipedia

    en.wikipedia.org/wiki/Jupiter_(lenses)

    Jupiter-21 200 mm f /4.0 lens. Jupiter-21 is a telephoto lens with focal length of 200mm. Its maximum aperture is f/4.0. The lens was made in multiple mounts and is frequently adapted to modern cameras nowadays. There are multiple versions of the lens. The most common one is the Jupiter-21M, which has M42 mount. But there were also versions ...

  6. Orbital angular momentum of light - Wikipedia

    en.wikipedia.org/wiki/Orbital_angular_momentum...

    Beams carrying OAM have a helical phase structure. Interfering such a beam with a uniform plane wave reveals phase information about the input beam through analysis of the observed spiral fringes. In a Mach–Zender interferometer, a helically phased source beam is made to interfere with a plane-wave reference beam along a collinear path ...

  7. Orbital resonance - Wikipedia

    en.wikipedia.org/wiki/Orbital_resonance

    There are also smaller but significant groups of resonant trans-Neptunian objects occupying the 1:1 (Neptune trojans), 3:5, 4:7, 1:2 and 2:5 resonances, among others, with respect to Neptune. In the asteroid belt beyond 3.5 AU from the Sun, the 3:2, 4:3 and 1:1 resonances with Jupiter are populated by clumps of asteroids (the Hilda family , the ...

  8. Beam parameter product - Wikipedia

    en.wikipedia.org/wiki/Beam_parameter_product

    When measuring the beam parameter product and M 2, one uses the D4σ or "second moment" width of the beam to determine both the radius of the beam's waist and the divergence in the far field. [ 2 ] The BPP can be easily measured by placing an array detector or scanning-slit profiler at multiple positions within the beam after focusing it with a ...

  9. Prism coupler - Wikipedia

    en.wikipedia.org/wiki/Prism_coupler

    A prism coupler is a prism designed to couple a substantial fraction of the power contained in a beam of light (e.g., a laser beam) into a thin film to be used as a waveguide without the need for precision polishing of the edge of the film, without the need for sub-micrometer alignment precision of the beam and the edge of the film, and without the need for matching the numerical aperture of ...

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