Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
189 words
In an improved, pulsed, wavelength-tunable laser producing emitted laser energy by electron-impact dissociation of metal dihalides and their cyclic recombination comprising a sealed enclosure including end windows at Brewster's angle, first and second elongated electrodes supported in parallel-spaced relationship within said enclosure along the principle axis of said enclosure with external electrical terminals connected with said electrodes, means within said enclosure extending along the length of said electrodes for supporting a metal dihalide therein, means for adding a buffer gas of helium into said sealed enclosure, electrode means within said sealed enclosure for preionizing the gases within said sealed enclosure, a fully and partially reflective surface in alignment with the principle axis of said sealed enclosure for producing optical resonance of the emitted laser energy, and a heat source for vaporizing and maintaining said metal dihalide in a vaporized state, the improvement comprising: a buffer gas of from 5 to 15% nitrogen within said sealed enclosure; and means for adding said buffer gas of nitrogen into said sealed enclosure which is mixed with said helium buffer gas and added to said sealed enclosure prior to preionizing of said gases.
Claim 2
Dependent Claim
189 words
In an improved, pulsed, wavelength-tunable laser producing emitted laser energy by electron-impact dissociation of metal dihalides and their cyclic recombination comprising a sealed enclosure including end windows at Brewster's angle, first and second elongated electrodes supported in parallel-spaced relationship within said enclosure along the principle axis of said enclosure with external electrical terminals connected with said electrodes, means within said enclosure extending along the length of said electrodes for supporting a metal dihalide therein, means for adding a buffer gas of helium into said sealed enclosure, electrode means within said sealed enclosure for preionizing the gases within said sealed enclosure, a fully and partially reflective surface in alignment with the principle axis of said sealed enclosure for producing optical resonance of the emitted laser energy, and a heat source for vaporizing and maintaining said metal dihalide in a vaporized state, the improvement comprising: a buffer gas of from 5 to 15% nitrogen within said sealed enclosure; and means for adding said buffer gas of nitrogen into said sealed enclosure which is mixed with said helium buffer gas and added to said sealed enclosure prior to preionizing of said gases.
Claim 3
Dependent Claim
30 words
In an improved, pulsed, wavelength-tunable laser as claimed in claim 1; the improvement in which: said added nitrogen gas is 10% of the total buffer gas for optimum output operation.
Claim 4
Dependent Claim
34 words
In an improved, pulsed, wavelength-tunable laser as claimed in claim 1, the improvement wherein: said heat source is operative to heat said laser cell to a temperature of from 135° C. to 180° C.
Claim 5
Dependent Claim
35 words
In an improved, pulsed wavelength-tunable laser as claimed in claim 3, the improvement which includes: a high-voltage supply for preionizing said gaseous mixture; and a separate main voltage source for exciting the preionized gaseous mixture.
Claim 6
Dependent Claim
28 words
In an improved, pulsed, wavelength-tunable laser as claimed in claim 1 the improvement in which: said enclosure contains mercuric halide vapor at a partial pressure of 1-10 Torr.
Claim 7
Dependent Claim
52 words
In an improved, pulsed, wavelength-tunable laser as claimed in claim 1, the improvement in which: said enclosure contains mercuric halide vapor at a partial pressure of from 1-10 Torr to which said nitrogen gas and said helium gas are added prior to preionization with a final total pressure of about 1000 Torr.
Claim 8
Dependent Claim
54 words
In an improved, pulsed, wavelength-tunable laser as claimed in claim 2, the improvement wherein: said enclosure contains mercuric halide vapor at a partial pressure of from 1-10 Torr to which said nitrogen gas and said helium gas are added prior to preionization with the gases having a final total pressure of about 1000 Torr.