• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A variety of flat and spherical lasers are constructed to comply with the formula: D >1/k where D is the diameter of the disc laser material or through the spherical laser material, and k is the exponential amplification factor of the laser material. In the flat lasers the laser material is a disc held in the centre of a larger ring so that the excitation light passes around the edge of the laser material. The laser material also has electrical current or electron beam excitation. In the spherical lasers the laser material is spherical and supported in the centre of a larger sphere. It also as electrical current or electron beam excitation. The laser material (33) is held between an upper and lower plate (37) under an exciter light source (31) in reflecting housing (38). The unit is contained in a closed housing (40, 41) with partially reflecting mirrors (34) beside the laser material and mounted on adjusting screws (36).
    公开号:SU1286121A3
    申请号:SU792861259
    申请日:1979-12-27
    公开日:1987-01-23
    发明作者:Хорват Золтан；Александр Александрович Малютин；Александр Владимирович Кильпио
    申请人:Мта Кезпонти Физикаи Кутато Интезете (Инопредприятие)；Физический институт им.П.Н.Лебедева；
    IPC主号:
    专利说明:


    CH
    The invention relates to quantum electronics, namely, laser devices with a given radiation pattern, and can be used in various fields of science and technology, where laser sources with a flat radiation pattern are required, covering angles up to 2 n. applied in cases where active media and pumping means are available to ensure the necessary amplification factor of stimulated radiation in active bodies of a disk-shaped form at the same time at least two mutually orthogonal directions.
    The purpose of the invention is to obtain a laser radiation with a flat radiation pattern covering an angle of 21 °.
    FIG. 1 shows the proposed laser device, the active element
    the cop is made in the form of a disk, and the resonator - in the form of a cylinder, separated from the volume of the active element; in fig. 2 shows an example of a laser device with a resonator aligned with the side walls of a disc-shaped active element.
    The laser device consists of an active element I and a cylindrical resonator 2.
    The laser device works as follows.
    3. The pump radiation is introduced into the active element 1 through a flat torus.
    The active surface of the active element. Upon reaching the self-excitation conditions in the volume of the active element, at the same time in at least two mutually orthogonal directions coinciding with the diameter of the disk-shaped active element, in the latter a generation occurs, radiation 4 of which propagates in the plane of the active element. If self-excitation conditions are performed
     simultaneously in all directions
    five
    five
    0
    five
    0

    ..
    0
    the active element diameter in the plane of the active element covers an angle of up to 2. Controlling the pump distribution over the volume of the active element, you can set the device's radiation pattern to any inside angle 21, while in the direction perpendicular to the active element plane, the angle The divergence of the diagram, as for conventional laser devices, is determined by the size of the active element (in this case, the disk thickness) or the size in this direction of the resonator mirrors.
    The proposed laser device is made on the basis of a dye rhodamine 6 G. The dye is placed in a cylindrical cell, the walls of which simultaneously serve as mirrors of the device resonator. For pumping the dye, second harmonic radiation from a neodymium glass laser (wavelength 0.53 µm) with a pulse duration of 25 ns is used. The pumping is carried out according to the scheme (Fig. 2), and the pump radiation is directed to the active element only from one side (bottom). The radiation divergence of the laser device is 2 If in the plane of the active element and 10-10 rad in the perpendicular direction.
    A variant of a laser device pumped by radiation pulses of a duration of 2 seconds is also carried out (the pump wavelength is 0.53 µm). The rhodamine 6G dye and the device circuit are used as the active medium (Fig. 2). In this case, the device operates in superluminescence mode with a pulse duration of 30 ps. The parameters of the radiation divergence are the same as in the case of pumping with pulses of duration 25 n. The synchronization of the location of the generation pulse in the 2 n angle is no worse than 30-50 PS.
    four
    - "
    权利要求:
    Claims (1)
    [1]
    A LASER DEVICE containing an active element in the form of a disk and a pump system, characterized in that, in order to obtain laser radiation with a plane radiation pattern covering angles up to 247, the active element is placed in it in a resonator made in the form of a cylinder with a generatrix rrthogonal to the plane location of the active element.
    »SU w, 1286121> cm
    I
    类似技术:
    公开号 | 公开日 | 专利标题
    US3388314A|1968-06-11|Apparatus for generating radiation of frequencies higher than those of light
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    US4053845A|1977-10-11|Optically pumped laser amplifiers
    US4161436A|1979-07-17|Method of energizing a material
    Burch1965|The 1965 Viscount Nuffield memorial paper: The application of lasers in production engineering
    US3423696A|1969-01-21|Disk laser having pumping means in direct optical communication with the disk end faces
    US3626318A|1971-12-07|Tandem oscillator disc amplifier with trivalent neodymium input disc and trivalent neodymium plus ytterbium output discs
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    Townes1962|Optical masers and their possible applications to biology
    US3241085A|1966-03-15|High power optical maser using a circular ellipsoidal resonant cavity
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    US3541468A|1970-11-17|Pulsed laser array
    US3525053A|1970-08-18|Transverse mode discriminator for laser apparatus
    US3371287A|1968-02-27|High power laser incorporating self-healing mirror means
    US5097477A|1992-03-17|Laser diode pumped multiple rod ring laser allowing combination of multiple pump sources
    US3534291A|1970-10-13|Apparatus for immersion of face pumped laser devices
    Kurtz et al.1968|Two photon fluorescence displays with a non-mode-locked Nd: YAG laser
    Burns1967|High-power lasersߞ their performance, limitations, and future
    SU274872A1|1985-03-23|Mode-controlling laser
    SU795380A1|1983-08-30|Method for selecting laser radiation frequencies
    SU616788A1|1981-10-07|Method of radiation frequency spectrum control of quantum generator
    同族专利:
    公开号 | 公开日
    HU191000B|1986-12-28|
    DE2951000A1|1980-07-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3140451A|1960-10-25|1964-07-07|Bell Telephone Labor Inc|Optical maser device|
    NL279414A|1961-07-03|
    GB1055840A|1963-12-23|1967-01-18|Ibm|Laser|
    US3402366A|1965-02-26|1968-09-17|Ibm|Beam scanning in injection lasers|
    US3760292A|1970-12-22|1973-09-18|Bell Telephone Labor Inc|Integrated feedback laser|
    US3707687A|1970-12-29|1972-12-26|Spectra Physics|Dye laser tunable by longitudinal dispersion in the dye cell|
    US3668546A|1971-01-11|1972-06-06|Edward R Schumacher|Laser stimulator assembly|US4829537A|1986-12-01|1989-05-09|Spectra-Physics, Inc.|Solid state lasers with spherical resonators|
    DE3829812C2|1988-09-02|1993-10-07|Fraunhofer Ges Forschung|Solid state laser|
    DE19531455A1|1995-08-26|1997-02-27|Gms Ges Fuer Mes Und Systemtec|Pumped solid state dye laser|
    DE19713836A1|1997-04-04|1998-10-08|Laser & Med Tech Gmbh|Disc laser|
    DE10039435A1|2000-08-11|2002-02-28|Osram Opto Semiconductors Gmbh|Radiation-emitting semiconductor component used as an illuminating diode or semiconductor laser comprises an active layer, a contact surface and a cylindrical semiconductor body|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    HUMA003092|HU191000B|1978-12-28|1978-12-28|Method for making plane or spherical laser and equipment to this laser|
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