Patent classifications
H01S3/0975
GAS LASER DEVICE
A discharge excitation gas laser device includes: first and second discharge electrodes disposed to face each other; a plurality of peaking capacitors connected to the first discharge electrode; a charger; a plurality of pulse power modules, each one of the pulse power modules including a charging capacitor to which a charged voltage is applied from the charger, a pulse compression circuit that pulse-compresses and outputs electrical energy stored in the charging capacitor as an output pulse to a corresponding peaking capacitor, and a switch disposed between the charging capacitor and the pulse compression circuit; a plurality of output pulse sensors, each one of the output pulse sensors detecting an output pulse output by a corresponding pulse power module; and a control unit configured to control, based on a detection result of each of the output pulse sensor, a tinting of a switch signal to be input to a corresponding switch.
GAS LASER DEVICE
A discharge excitation gas laser device includes: first and second discharge electrodes disposed to face each other; a plurality of peaking capacitors connected to the first discharge electrode; a charger; a plurality of pulse power modules, each one of the pulse power modules including a charging capacitor to which a charged voltage is applied from the charger, a pulse compression circuit that pulse-compresses and outputs electrical energy stored in the charging capacitor as an output pulse to a corresponding peaking capacitor, and a switch disposed between the charging capacitor and the pulse compression circuit; a plurality of output pulse sensors, each one of the output pulse sensors detecting an output pulse output by a corresponding pulse power module; and a control unit configured to control, based on a detection result of each of the output pulse sensor, a tinting of a switch signal to be input to a corresponding switch.
Microwave plasma spectrometer using dielectric resonator
A dielectric resonator is excited at its natural resonant frequency to produce a highly uniform electric field for the generation of plasma. The plasma may be used as a desolvator, atomizer excitation source and ionization source in an optical spectrometer or a mass spectrometer.
APPARATUS AND METHOD FOR GENERATING A HIGH POWER ENERGY BEAM BASED LASER
A system for generating an energy beam based laser includes an apparatus for receiving an energy beam and for generating an energy beam based laser. The apparatus is configurable or controllable for tuning an output wavelength of the laser generated by the apparatus using the energy beam. The apparatus includes a first component for producing a first magnetic field oriented in a first direction and a second component for producing a second magnetic field oriented in a second direction substantially opposite to the first direction. A channel through the apparatus is defined by the first component and the second component through which the energy beam passes to generate the laser at an output of the apparatus. The apparatus is configurable or controllable for modifying at least one of the first magnetic field and the second magnetic field for tuning the output wavelength of the laser.
APPARATUS AND METHOD FOR GENERATING A HIGH POWER ENERGY BEAM BASED LASER
A system for generating an energy beam based laser includes an apparatus for receiving an energy beam and for generating an energy beam based laser. The apparatus is configurable or controllable for tuning an output wavelength of the laser generated by the apparatus using the energy beam. The apparatus includes a first component for producing a first magnetic field oriented in a first direction and a second component for producing a second magnetic field oriented in a second direction substantially opposite to the first direction. A channel through the apparatus is defined by the first component and the second component through which the energy beam passes to generate the laser at an output of the apparatus. The apparatus is configurable or controllable for modifying at least one of the first magnetic field and the second magnetic field for tuning the output wavelength of the laser.
DIELECTRIC ELECTRODE ASSEMBLY AND METHOD OF MANUFACTURE THEREOF
A dielectric electrode assembly, and a method (600) of manufacture thereof, including: a dielectric tube (226) having a cylindrical cross-section and a relative dielectric constant, .sub.2, the dielectric tube (226) filled with a gas having a relative dielectric constant, .sub.1; a structural dielectric (225) having a relative dielectric constant, .sub.3 surrounding the dielectric tube (226); metal electrodes (224) on opposite sides of the structural dielectric (225), the metal electrodes (224) having a flat cross-sectional geometry; and the structural dielectric (225) made from a material selected such that the relative dielectric constants of the structural dielectric (225), the dielectric tube (226), and the gas are interrelated and an approximately uniform electric field is generated within the dielectric tube (226) when power is applied to the metal electrodes (224).
MULTILAYER ELECTRODE ASSEMBLY
Systems and techniques for multilayer electrode assemblies are generally described. In some examples, a multilayer electrode assembly may comprise a first dielectric material. In some examples, the first dielectric material may be shaped so as to form a channel defined by an interior surface. In various examples the multilayer electrode assemblies may comprise a first metal layer disposed adjacent to a first portion of the exterior surface of the first dielectric material. In various further examples, the multilayer electrode assemblies may comprise a second metal layer disposed adjacent to a second portion of the exterior surface of the first dielectric material. In some examples, the first metal layer may be disposed in a first spaced relationship with the second metal layer. In various examples, a substantially uniform electric field may be generated in the channel of the first dielectric material when a voltage is applied to the multilayer electrode assembly.
PULSED POWER SYSTEMS WITH CONTROLLED REACTOR RESET
A pulsed power circuit including one or more magnetic switches respectively implemented as one or more inductors having saturable cores wherein, after a discharge pulse, each saturable core is repeatably reset to an initial bias point on its magnetization curve by a reset pulse having variable characteristics determined, for example, by chamber operating conditions so that the saturable core is able to function reliably and consistently.
Linear remote plasma source
Methods and apparatus for improved inductively coupled plasma sources are disclosed. A remote linear plasma source can have a plurality of coil segments operable to power intense localized radiofrequency plasma current channels along inner surfaces of a chamber. A plurality of localized intense plasma current channels within a single chamber provides a relatively large active plasma volume, improves efficiency, and provides for favorable residence time and feed gas distribution in a plasma source. In various embodiments, a remote plasma source operable to generate active species is useful for applications such as chamber cleaning, processing materials, ion, electron, and/or neutral beam sources, gaseous discharge lamps, fluorescent lighting, gaseous lasers, and others.
Gas laser
A gas laser, including: a semiconductor laser, an optical beam-shaping system, a pair of electrodes, a discharge tube, a rear mirror, and an output mirror. The pair of electrodes includes two electrodes. The electrodes are symmetrically disposed at an outer layer of the discharge tube in parallel. The electrodes are connected to a radio-frequency power supply via a matching network, and the electrodes operate to modify working gas in the discharge tube through radio-frequency discharge. The rear mirror and the output mirror are disposed at two end surfaces of the discharge tube, respectively. The rear mirror, taken together with the output mirror and the discharge tube, form a resonant cavity. The output mirror is configured to output a laser beam.