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| Number | Title | Issue Date |
| 6804284 | Optical element holding and extraction device An optical element holding and extraction device is provided. The device includes an optical element, an optical element holder having a tubular gripping portion and a tubular extraction portion connected at one end to the tubular gripping portion, and a retainer th... | 10/12/2004 |
| 5315610 | System for controlling the flow of gas into and out of a gas laser A modularized system for controlling the gas pressure within a copper vapor or like laser is described herein. This system includes a gas input assembly which serves to direct gas into the laser in a controlled manner in response to the pressure therein f... | 05/24/1994 |
| 5148440 | Wick for metal vapor laser An improved wick for a metal vapor laser is made of a refractory metal cylinder, preferably molybdenum or tungsten for a copper laser, which provides the wicking surface. Alternately, the inside surface of the ceramic laser tube can be metalized to form t... | 09/15/1992 |
| 4912719 | Ion laser tube The discharge section of an ion laser tube is made up of a plurality of axially spaced pillar members, each accommodating and holding a respective capillary tube within a central hole, the capillary tubes defining the discharge path. The pillar members ar... | 03/27/1990 |
| 4847849 | Laser including at least one seal A laser includes a discharge tube formed from one piece and penetrating, with play, into an anode chamber on one side and into a cathode chamber on the other side, the anode and cathode chambers having a thermal expansion coefficient different from that o... | 07/11/1989 |
| 4841539 | Gas laser discharge tube with ceramic wafers and cooling wafers in a stack A relatively high power gas laser includes a laser discharge tube formed of stacked alternating cooling wafers and ceramic wafers, the cooling wafers being provided with recesses set back from the discharge channel of the laser discharge tube.... | 06/20/1989 |
| 4759027 | Gas laser A laser discharge tube is provide having a ceramic rod of rectangular cross section through which extends a discharge channel and at least one gas return channel, and cooling plates affixed at the larger outside surfaces of the rectangular ceramic rod.... | 07/19/1988 |
| 4692928 | Method for improving the power of an axial gas laser A method of lasing gas, a fast axial flow gas laser and an excitation tube for a fast axial flow gas laser are disclosed. Increased thermal energy per mass flow unit of the gas flowing through the excitation tube of the laser can be applied to the gas by ... | 09/08/1987 |
| 4649545 | Compact gas laser having extended life A compact, extended life, gas laser comprises a capillary tube with a transition portion having a reduced wall thickness. The laser includes a cathode which is cylindrical in a rearward cathode region and hemispherical in a forward cathode region. The con... | 03/10/1987 |
| 4553241 | Laser tube structure A plurality of thin wall ceramic-metal segments are brazed together alternately with pairs of metal sealing rings to form a gas laser tube assembly. Within each segment there is mounted a refractory metal disc with a central hole. The series of holes form... | 11/12/1985 |
| 4435810 | Self-supporting laser diffuser flow energizer A self-supporting laser diffuser flow energizer is described for improving the performance of radial flow lasers by providing novel means for pressure recovery, and comprises a self-sustaining suction means communicating with the laser cavity for changing... | 03/06/1984 |
| 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 which is both metal bonded to the tube and formed with metal s... | 05/24/1983 |
| 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 adapted to interrupt the bore so as to prevent the establis... | 04/12/1983 |
| 4378600 | Gas laser A gaseous laser includes a gas discharge tube made of a comparatively thin-walled ceramic tube. Heat from the discharge is transmitted to the exterior tube by conduction through thin-walled, cup-shaped members which are bonded to the interior wall of the ... | 03/29/1983 |
| 4143339 | Laser plasma tube having internal gas path Several embodiments of a gas laser plasma tube are described having one or more internal gas return paths doubled back upon themselves within the structure which defines the gaseous discharge bore, to increase their length so that electrical gaseous disch... | 03/06/1979 |
| 3952264 | Gas laser with suppressed low-frequency noise Low frequency noise in a gas laser is suppressed by providing an auxiliary cathode in proximity to the anode to provide an auxiliary gas discharge between these elements. The anode and another cathode provide a primary gas discharge for lasing operation.... | 04/20/1976 |
