• Laser linewidth is the spectral linewidth of a laser beam. Two of the most distinctive characteristics of laser emission are spatial coherence and spectral...
    33 KB (5,029 words) - 16:38, 24 May 2025
  • Thumbnail for Laser
    The fundamental laser linewidth of light emitted from the lasing resonator can be orders of magnitude narrower than the linewidth of light emitted from...
    126 KB (14,006 words) - 07:54, 27 May 2025
  • Thumbnail for Gas laser
    helium-cadmium (HeCd) 325 nm are three examples. These lasers have particularly narrow oscillation linewidths of less than 3 GHz (500 femtometers), making them...
    8 KB (875 words) - 04:18, 12 May 2024
  • Thumbnail for Multiple-prism dispersion theory
    the laser linewidth in multiple-prism grating laser oscillators. The total intracavity angular dispersion plays an important role in the linewidth narrowing...
    11 KB (1,587 words) - 15:30, 25 May 2025
  • Thumbnail for Selective laser sintering
    Selective laser sintering (SLS) is an additive manufacturing (AM) technique that uses a laser as the power and heat source to sinter powdered material...
    18 KB (2,033 words) - 18:04, 23 May 2025
  • can be performed. The typical laser linewidth is of the order of 10−3 cm−1 or smaller. Additional tuning, and linewidth narrowing, methods include the...
    22 KB (3,078 words) - 11:11, 24 May 2025
  • A chemical laser is a laser that obtains its energy from a chemical reaction. Chemical lasers can reach continuous wave output with power reaching to megawatt...
    14 KB (1,752 words) - 10:37, 20 May 2025
  • Thumbnail for Compact disc
    the second optical disc format to reach the market, following the larger LaserDisc (LD). In later years, the technology was adapted for computer data storage...
    45 KB (8,803 words) - 14:14, 24 May 2025
  • Thumbnail for List of laser applications
    wavelengths. By careful design of the laser components, the purity of the laser light (measured as the "linewidth") can be improved more than the purity...
    24 KB (2,749 words) - 06:01, 17 March 2025
  • Thumbnail for Fabry–Pérot interferometer
    (2020). "Spectral coherence, Part I: Passive resonator linewidth, fundamental laser linewidth, and Schawlow-Townes approximation". Progress in Quantum...
    55 KB (8,890 words) - 22:40, 23 May 2025
  • Amplified spontaneous emission (category Laser science)
    narrow-linewidth dye lasers. In order to suppress ASE, in favor of pure laser emission, researchers use various approaches including optimized laser cavity...
    6 KB (770 words) - 09:35, 24 May 2025
  • Thumbnail for Dye laser
    dye lasers have been successfully adapted to other laser types such as the diode laser. The physics of narrow-linewidth multiple-prism grating lasers was...
    25 KB (3,180 words) - 10:25, 9 November 2024
  • Thumbnail for Ion laser
    ion laser is a gas laser that uses an ionized gas as its lasing medium. Like other gas lasers, ion lasers feature a sealed cavity containing the laser medium...
    7 KB (965 words) - 04:21, 12 September 2024
  • Thumbnail for Blue laser
    A blue laser emits electromagnetic radiation with a wavelength between 400 and 500 nanometers, which the human eye sees in the visible spectrum as blue...
    17 KB (1,871 words) - 10:09, 2 November 2024
  • contribute to determine the linewidth produced by a laser, the PDH technique provides a means to control and decrease the laser's linewidth, provided an optical...
    15 KB (1,888 words) - 23:35, 21 February 2025
  • Laser-induced fluorescence (LIF) or laser-stimulated fluorescence (LSF) is a spectroscopic method in which an atom or molecule is excited to a higher...
    7 KB (739 words) - 05:11, 25 May 2025
  • Confocal microscopy, most frequently confocal laser scanning microscopy (CLSM) or laser scanning confocal microscopy (LSCM), is an optical imaging technique...
    46 KB (5,308 words) - 11:20, 12 May 2025
  • Thumbnail for Laser engraving
    Laser engraving is the practice of using lasers to engrave an object. The engraving process renders a design by physically cutting into the object to...
    34 KB (4,773 words) - 04:18, 30 January 2025
  • The Laboratory for Laser Energetics (LLE) is a scientific research facility which is part of the University of Rochester's south campus, located in Brighton...
    16 KB (1,541 words) - 20:40, 23 April 2025
  • intact. Laser resurfacing is usually done with a 2940 nm Er:YAG laser or a 10,600 nm CO2 laser. Complete resurfacing was first done with a CO2 laser. Both...
    8 KB (906 words) - 18:38, 10 June 2024
  • Thumbnail for Optical tweezers
    gradient force trap) are scientific instruments that use a highly focused laser beam to hold and move microscopic and sub-microscopic objects like atoms...
    73 KB (9,516 words) - 18:26, 22 May 2025
  • Thumbnail for Laser pointer
    A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i...
    59 KB (7,225 words) - 21:17, 29 May 2025
  • Thumbnail for Laser-induced breakdown spectroscopy
    Laser-induced breakdown spectroscopy (LIBS) is a type of atomic emission spectroscopy which uses a highly energetic laser pulse as the excitation source...
    21 KB (2,440 words) - 14:44, 23 May 2025
  • Thumbnail for Matrix-assisted laser desorption/ionization
    mass spectrometry, matrix-assisted laser desorption/ionization (MALDI) is an ionization technique that uses a laser energy-absorbing matrix to create ions...
    70 KB (8,255 words) - 00:28, 23 May 2025
  • Thumbnail for Laser cutting
    Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications...
    22 KB (2,818 words) - 17:22, 24 May 2025
  • Ultrafast laser spectroscopy is a category of spectroscopic techniques using ultrashort pulse lasers for the study of dynamics on extremely short time...
    33 KB (4,355 words) - 15:21, 26 May 2025
  • Thumbnail for Spectroscopy
    waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO). Spectroscopy is a...
    44 KB (4,768 words) - 18:59, 23 May 2025
  • Thumbnail for Laser weapon
    narrow-linewidth dispersive dye laser oscillator, Opt. Commun. 84, 310–316 (1991). Peter, Pae (19 March 2009). "Northrop Advance Brings Era of the Laser Gun...
    58 KB (4,369 words) - 17:52, 29 May 2025
  • Thumbnail for Photorefractive keratectomy
    Photorefractive keratectomy (PRK) and laser-assisted sub-epithelial keratectomy (or laser epithelial keratomileusis) (LASEK) are laser eye surgery procedures intended...
    23 KB (2,756 words) - 00:34, 15 April 2025
  • Laser linewidth Laser lithotripsy Laser machine control Laser medicine Laser Mégajoule Laser melting Laser mouse Laser microjet Laser microphone Laser microprobe...
    27 KB (2,609 words) - 17:09, 25 May 2025