Matches 301 - 350 out of 433 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
4553240 Gas laser with a spring-supported capillary  
In a coaxially constructed gas laser with a capillary fused at one end to the glass casing surrounding it and enclosed at its free end by a supporting spring the supporting spring contains a...
4553242 Gas laser  
A gas laser of circular cross section perpendicular to the direction of beam propagation and having an optical resonator is disclosed. The laser has, for continuous or modulated continuous beam...
4550408 Method and apparatus for operating a gas laser  
Methods and apparatuses for operating a gas laser which utilize the electrical discharge between the electrodes to increase gas circulation. In a first embodiment, electrical discharges cause a...
4546482 Sealed CO.sub.2 laser  
A CO 2 laser has a cylindrical housing of vitreous or ceramic material enclosing two confronting main electrodes which are connected across a trigger circuit, one of these electrodes being in...
4541097 Gas laser device with plural electrode members on the upper gas flow side  
A gas laser has an electrode of improved construction. The electrode, for example a cathode, comprises an inner cathode and at least an outer cathode spaced from the inner cathode and disposed on...
4534035 Tandem electric discharges for exciting lasers  
This invention relates to a method and apparatus by which two series-connected glow discharge devices may be connected to a main power supply without interposing an output switch. The two...
4510608 Laser tube utilizing negative glow  
A laser tube including an anode and a hollow cathode and adapted to obtain laser oscillation by utilizing a negative glow generated in a space within the hollow cathode. The laser tube has an...
4507789 YAG Laser system  
A reliable, low cost, light weight, CW pumped Nd:YAG laser with optional Q-switching is provided with a rail for the laser optics that isolates the optical axis from movement of the laser head...
4507786 Push-pull pulsed gas laser  
A push-pull pulsed gas laser which utilizes piston action to displace a laser gas from the laser cavity to a heat exchanger and return of the gas to the laser cavity between laser pulses to...
4504954 Laser apparatus  
In a laser device designed according to the gas transport or convection principle, the division into parts with different functions is replaced by complete integration of the different functions....
4500998 Gas laser  
The invention is to provide a gas laser in which a discharge tube of a double-tube construction comprising a inner tube and an outer tube of a relatively large diameter is employed, a tubular...
4500996 High power fundamental mode laser  
A high power, fundamental (TEMoo) mode gaseous laser is described having a discharge-confining bore tube which is provided with spaced-apart annular, inwardly-extending, radial projections or...
4488310 Continuously excited laser  
There is disclosed continuously-excited lasers of the CO 2 mixing, and supersonic CO, types. There is specifically disclosed a method, and a laser apparatus, for producing a repetitively pulsed...
4483006 Axial flow laser cavity  
An improved gaseous laser device is provided which comprises a generally tubular laser discharge tube having a laser window at each end thereof, each window disposed at an angle to the lasing axis...
4481633 Wet-jacket argon-ion laser  
A segmented ceramic tube for an argon-ion laser is fluid cooled and constructed to avoid shunting of current through the coolant.
4481632 Laser, particularly CO.sub.2 gas transport laser  
A gas transport laser has several discharge sections through which the laser gas flows and is attached on mounts. The mounts have borings for connection of the discharge tube sections, as well as...
4477908 Cold cathode construction  
A cold cathode gas discharge apparatus, of the kind in which ionized species are driven against a cathode by an electrical field to eject electrons from the cathode and to produce a discharge...
4477907 Low power argon-ion gas laser  
An argon-ion laser achieves low output power by using a plasma guide and mirror configuration which restricts lasing action to a portion of the resonator cavity at relatively high conversion...
4475202 Gas laser  
In a gas laser composed of a capillary tube made of electrically nonconductive material and presenting a capillary passage, a reservoir tank whose interior is in communication with the passage, the...
4470144 Coaxial-type carbon dioxide gas laser oscillator  
A coaxial-type carbon dioxide gas laser includes an oscillator comprising a gas inlet for introducing gas into a discharge tube through a gas supply chamber having a hollow cylindrical body which...
4442523 High power metal vapor laser  
A metal vapor laser, and, in particular, a lead vapor laser having a main discharge tube mounted within a pair of electrode support collars. A discharge electrode is mounted at one end of the laser...
4429399 Gas laser tube  
A gas laser tube comprises: a cylindrical envelope; a pair of end tubes mounted at end walls of said envelope and having reflective members at open end parts thereof, said pair of end tubes being...
4425651 Ion laser with gas discharge vessel  
An ion laser with a gas discharge vessel, for example a helium-selenium ion laser, utilizing cataphoretic vapor transport provides monochromatic exit radiation in a parallel beam of high intensity....
4425655 Direct focussed gas laser  
A direct focussed gas laser 9 wherein the last surface 40, 48A, 48B of the output mirror, in the case of a laser where the mirrors are integral to the ends of the laser tube envelope, is shaped...
4420835 Hollow cathode laser  
A hollow cathode laser comprises a cathode body which constitutes a part of a discharge envelope. The cathode body has a cathode hole coaxial with the body. It further has three anode holes which...
4417341 Glass laser amplifier having a number of trigger members  
A glass laser amplifier having a number of trigger members comprising a number of flash lamps capable of emitting light to pump a laser glass arranged around said laser glass, a number of...
4385390 Laser bypass inhibitor  
An improved bypass inhibitor attached to but not constituting part of the laser bore assembly of a ceramic gas laser tube having main and gas bypass bores comprises a ceramic disc, one side of...
4380077 Segmented ceramic bore laser  
A laser tube made of electrically insulating ceramic material, e.g., BeO, is formed of dry pressed and fired segments brazed together and with a chamfer or stepped area at the end of each segment...
4375688 Gas laser tube  
In a gas laser tube including a laser capillary tube having one fixed end secured to the envelope surrounding the capillary tube and one free end. A support structure for the free end comprising a...
4367554 High pressure, high power, compact laser  
A high pressure, high power, compact laser fabricated from a block of material which is highly transparent at the wavelength of operation. The transmitting block contains a multiplicity of channels...
4365335 Gas discharge laser device  
By surrounding a gas discharge laser, which comprises a cylindrical glass envelope provided at two ends with laser mirrors which together constitute an optical resonator, at least partly and...
4359777 High efficiency transversely excited electrodeless gas lasers  
A high efficiency gas laser which utilizes transverse electrical excitation f a laser gas medium confined in a circular cylindrical volume. Limitation of the excitation energy to only the optical...
4356565 Laser beam tube with helical gas flow for reducing thermal blooming in the laser beam  
A laser beam flow tube arrangement is disclosed in which the Ranque-Hilsch effect is advantageously utilized to reduce thermal blooming in a laser beam. The arrangement includes a tubular member...
4352184 Gas laser and method of manufacturing  
A gas laser body, gas laser, a method of manufacture of gas laser body and a method of manufacturing a gas laser are disclosed. The gas laser body comprises a pair of glass plates with means...
4351053 Gas discharge laser  
A gas discharge laser including at least one electrode consisting of a rolled metal foil which is clamped in the tubular envelope of the laser. Spacers are provided between the foil and the inner...
4331939 Gas laser device  
An invention concerning the electrode structure of a gas laser device is disclosed. In the outer peripheral part of a discharge gas circulating hole (32) provided in the central part of an upper...
4328467 Gas discharge laser device  
A shock-proof gas discharge laser device comprises a cylindrical discharge vessel secured coaxially in a metal tubular holder. The cylindrical discharge vessel is sealed at its two ends with sealed...
4318056 Excimer laser with fluoropolymer lining  
A cavity formed of Teflon to provide extended static fill lifetimes for gases containing halogens. A double cavity configuration provides structural integrity to the inner Teflon cavity by...
4282495 High efficiency current regulator for ring laser gyroscope  
A method and apparatus for regulating the anode current of a gas lasing system with reduced power dissipation is disclosed. According to this invention a feedback loop is connected between the...
4277761 Method of coating metal on a glassy body surface and resulting article  
In glass bodied gas lasers which use helium as a constituent gas, the leakage of helium through the laser walls is controlled by a specially applied external sealed metal coating. The glass body of...
4266200 Metal halide laser tube structure  
A plurality of spaced-apart apertured discs constructed of electrical insulator material, are sealed within the quartz tube structure of a metal halide laser tube to increase the path length along...
4257014 Gas laser discharge tube using corrugated cathode  
A gas laser discharge tube comprises a discharge vessel containing a discharge gas, a rod-shaped anode, a corrugated cathode and a voltage source connected between the anode and cathode. The...
4250467 Gas laser  
A gas laser is disclosed, in which one end surface of a plasma tube of a gas laser envelope is worked to be perpendicular to the axis of the plasma tube, a cap covers a mirror and the end surface...
4242647 Stabilized vortex convective laser  
This invention relates to a method and apparatus for increasing the output power of certain lasers by inducing predictable vortex flow within the laser through the use of properly oriented fins.
4242646 Spiral flow convective laser  
This invention relates to a method and apparatus for making high-powered lasers. More particularly, this invention relates to a method and apparatus for utilizing a spiral cooling fin design to...
4242648 High power electrode and feedthrough assembly for high temperature lasers  
A double sealed technique in an evacuated quartz jacket produces an electrical feedthrough assembly suitable for use in sealed-off, pulse, longitudinal discharge lasers compatible with operating...
4241319 Dual channel waveguide gas laser  
Disclosed is a pair of channel waveguide CO 2 lasers formed in a common eramic block. Both discharge channels are DC excited for CW operation and share common mirrors at both ends. The laser...
4240045 Gas laser having a cylindrical discharge tube  
A gas laser having a cylindrical discharge tube, which consists of a glass casing or envelope sealed at each end by a metallic end cap, each of said end caps having a metal tubular component...
4238743 Gas laser having a cylindrically-shaped discharge tube  
A gas laser havinng a cylindrically-shaped discharge tube in which at least one end is terminated with a metal end cap which supports a mirror body in its central area, supports a metal pump stem...
4237430 Coaxial discharge sealed-off quartz laser tube  
A quartz laser tube for use with a metal, or metal halide, laser media employs a coaxial electrical connection in which a longitudinal discharge in the laser medium serves as the central conductor,...
Matches 301 - 350 out of 433 < 1 2 3 4 5 6 7 8 9 >