| Patent Number |
Title Of Patent |
Date Issued |
| 4873693 |
Apparatus and method for suppressing diffraction rings in a laser |
October 10, 1989 |
| A laser comprises an interaction region formed by a wall surface of a capillary discharge tube which has been roughened along a continuous length thereof. This roughened surface suppresses and substantially eliminates diffraction rings in lasers. |
| 4827484 |
Apparatus and method for suppressing diffraction rings in a laser |
May 2, 1989 |
| A laser comprises an interaction region formed by a wall surface of a capillary discharge tube which has been roughened along a continuous length thereof. This roughened surface suppresses and substantially eliminates diffraction rings in lasers. |
| 4649545 |
Compact gas laser having extended life |
March 10, 1987 |
| 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 configuration of the capillary t |