Browse Prior Art Database

Folded Parallel Plate N(2) Laser

IP.com Disclosure Number: IPCOM000083994D
Original Publication Date: 1975-Aug-01
Included in the Prior Art Database: 2005-Mar-01
Document File: 2 page(s) / 40K

Publishing Venue

IBM

Related People

Loy, MM: AUTHOR [+2]

Abstract

A folded parallel-plate He-Ne gas laser has been devised, which decreases the physical size of the laser at the same time that the energy storage capacity for firing the laser is increased.

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Folded Parallel Plate N(2) Laser

A folded parallel-plate He-Ne gas laser has been devised, which decreases the physical size of the laser at the same time that the energy storage capacity for firing the laser is increased.

Fig. 1 is a schematic showing of a typical and well-known gas laser, wherein the lasing gas 2 is shown in a dotted enclosure having anode 4 and cathode 6, the current from high-voltage source 8 firing the laser, whose light emanates either into or out of the plane of the paper or at right angles to such current flow.

Prior to firing of the laser, capacitors 10 and 12 are charged through inductor 14 and when the stored charge is high enough, spark gap 16 is actuated by applying a firing potential to electrode 18. Current through the gap results in a discharge of the capacitors 10, 12 through the gas laser, firing the latter.

Fig. 2 and 3 illustrate a laser that has been physically folded to increase the charge storing capacity of the capacitors shown in Fig. 1, without substantially increasing the physical size of the laser. As seen in Fig. 2, a plate 20, for receiving high-voltage energy, has one of its electrodes 22 within a lasing chamber 24. The second high-voltage electrode 26 is folded back as plates 28 and 30. Plates 32, 34, 36 and 38 are grounded.

Incorporated within the laser structure are balled electrodes 40 and 42, one electrode being connected to the high-voltage side and the other electrode to the low-voltage side of the power supp...