Spectrometer
The invention described herein is a spectrometer having components allowing remote orientation of crystal analyzer and detector.
1. A spectrometer comprising:
a detector, a crystal analyzer, and a linear translation stage;
wherein the crystal analyzer is operably attached to a first arm;
wherein the detector is operably attached to a second arm;
wherein the first arm and the second arm are linked at an axis;
wherein the detector moves rotationally around the axis; and
wherein the axis is centered on a Rowland Circle;
wherein the linear transition stage is configured to move the spectrometer from at least one first location to at least one second location, thereby varying a distance between a sample and the crystal analyzer while maintaining a constant angle between the sample and the detector.
2. The spectrometer of claim 1 , wherein the first arm and the second arm are arranged so that the crystal analyzer and detector are tangent to the Rowland circle.
3. The spectrometer of claim 1 , wherein the Rowland circle is on a vertical plane.
4. The spectrometer of claim 1 , wherein the Rowland circle is on a horizontal plane.
5. The spectrometer of claim 1 , wherein the sample is located along a radiation path between a source and the crystal analyzer.
6. The spectrometer of claim 1 , wherein the sample is located along a radiation path between the crystal analyzer and the detector.
7. The spectrometer of claim 1 , wherein the sample is within a region of acceptance for Bragg diffraction by the crystal analyzer.
8. The spectrometer of claim 1 , wherein the radiation source is within a region of acceptance for Bragg diffraction by the crystal analyzer.
9. The spectrometer of claim 1 , wherein the spectrometer is used to study actinide elements.
10. The spectrometer of claim 1 , wherein the crystal analyzer has a cylindrical shape.
11. The spectrometer of claim 1 , wherein the crystal analyzer has a toroidal shape.
12. The spectrometer of claim 1 , wherein the crystal analyzer has a spherical shape.
13. The spectrometer of claim 1 , wherein the Rowland circle has a diameter of 10 cm-100 cm.
14. The spectrometer of claim 1 , wherein the spectrometer is located inside an inert-gas chamber.
15. The spectrometer of claim 14 , wherein the spectrometer is used to study air-sensitive electrode materials for electrical energy storage.
16. The spectrometer of claim 14 , wherein the spectrometer is used to study air-sensitive materials for chemical catalysis.
17. The spectrometer of claim 1 , wherein the spectrometer is located inside of a vacuum chamber.
18. The spectrometer of claim 1 , wherein the spectrometer is located inside a chamber filled with helium.
19. The spectrometer of claim 1 , wherein the crystal analyzer is of the Johann type.
20. The spectrometer of claim 1 , wherein the crystal analyzer is of the Johansson type.
21. The spectrometer of claim 1 , wherein at least the first arm is operably attached to a motor.
22. The spectrometer of claim 1 , wherein the spectrometer is used for determining an oxidation state distribution.
23. The spectrometer of claim 1 wherein the crystal analyzer comprises a diffraction grating that is operably attached to the first arm.