Claims
- 1. A visible discharge lamp which provides a spectral power distribution having a peak at one of many possible peak wavelengths comprising,
- an envelope which contains a fill having at least one visible light emitting component, wherein the visible light emitting component which emits more visible light than any other such component which may be present is a substance selected from the group consisting of sulfur and selenium, wherein said sulfur or selenium emits principally visible light,
- excitation power generating means, and
- means for coupling power generated by said excitation power generating means to said envelope fill, said lamp during excitation producing an output spectral power distribution in a continuous band having a peak at a certain wavelength which corresponds to a first particular density of said sulfur or selenium, wherein other possible peak wavelengths correspond to other particular fill densities, and said lamp fill is provided with said sulfur or selenium at said first particular density during excitation so as to result in said spectral distribution which has a peak at said certain wavelengths.
- 2. The lamp of claim 1 wherein said lamp is electrodeless.
- 3. The lamp of claim 2 wherein said substance is sulfur.
- 4. The lamp of claim 2 wherein said substance is selenium.
- 5. The lamp of claim 2 wherein the visible light emitted by the sulfur or selenium is molecular radiation.
- 6. A visible discharge lamp for producing a desired spectral output comprising,
- an envelope which contains a fill which includes at least one substance during excitation which is selected from the group consisting of sulfur and selenium, wherein said substance emits principally visible light in a continuous band,
- excitation power generating means, and
- means for coupling power generated by said excitation power generating means to said envelope fill, said substance during excitation producing an output spectral power distribution having a peak at a certain wavelength which corresponds to a particular density of said substance, wherein other possible peak wavelengths correspond to other particular densities of said substance, and said lamp fill is provided with said substance at said particular density so as to result in said desired spectral output.
- 7. The lamp of claim 5 wherein the visible light emitted by said substance is molecular radiation.
Parent Case Info
The present application is a continuation of U.S. application Ser. No. 060,553 filed May 13, 1993, abandoned which in turn is a continuation-in-part of U.S. application Ser. No. 867,551, filed Apr. 13, 1992, abandoned U.S. application Ser. No. 875,769 filed Apr. 29, 1992, abandoned and U.S. application Ser. No. 882,409, filed May 13, 1992, abandoned each of which application is a continuation-in-part of U.S. application Ser. No. 07/779,718, filed Oct. 23, 1991, abandoned which is a continuation-in-part of U.S. application Ser. No. 07/604,487, filed Oct. 25, 1990.
US Referenced Citations (21)
Foreign Referenced Citations (1)
Number |
Date |
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52-31583 |
Mar 1977 |
JPX |
Related Publications (3)
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Number |
Date |
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875769 |
Apr 1992 |
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882409 |
May 1992 |
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779718 |
Oct 1991 |
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Continuations (1)
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Number |
Date |
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Parent |
60553 |
May 1993 |
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Continuation in Parts (2)
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Number |
Date |
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Parent |
867551 |
Apr 1992 |
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Parent |
604487 |
Oct 1990 |
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