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US 4,305,662 AGranted
Sample excitation situs enhancement apparatus for a spectrometer
AssigneeLeeman Labs Inc.
InventorsJohn Leeman, Karl J. Hildebrand
Life of this patent
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Abstract
A sample excitation situs or light source enhancement apparatus for an optical spectrometer comprising a mirror arranged to reflect an image of the excitation situs in close proximity to the actual excitation situs is disclosed.
Claims5
The method for modifying the spatial temperature profile of the radiation emanating from a sample excitation situs of a spectrometer comprising in combination the steps of:
- a. providing sample excitation means at a situs substantially coincident with the optical input situs of said spectrometer;
- b. providing mirror means opposite said excitation situs and opposite the input aperture of said spectrometer;
- c. supplying a sample for analysis to said excitation means;
- d. exciting said sample to emit radiant energy;
- and
- e. reflecting an image of said excitation situs from said mirror back upon said situs, said image and said situs at least partially overlapping one another.
3 more elements
The method of compensating for the chromatic aberration of an excitation situs focusing lens in a spectrometer comprising in combination the steps of:
- a. providing sample excitation means at a situs substantially coincident with the optical input situs of said spectrometer;
- b. providing mirror means opposite said excitation situs and opposite the input aperture of said spectrometer;
- c. providing lens means for imaging said excitation situs at said aperture;
- d. supplying a sample for analysis to said excitation means;
- e. exciting said sample to emit radiant energy;
- and
- f. reflecting an image of said excitation situs back toward said situs in a plane other than that of said situs.
4 more elements
Dependencies are inferred from the claim text.