LIBS analysis system
First Claim
1. A handheld LIBS system comprising:
- a housing;
an optics stage movably mounted to the housing, the optics stage including an optical head with a laser focusing lens and one or more motors configured to move the optical head and laser focus lens relative to the housing;
a laser source in the housing oriented to direct a laser beam to a sample via the laser focusing lens; and
a spectrometer subsystem in the housing configured to receive electromagnetic radiation from the sample and provide an output, the spectrometer subsystem including a plurality of spectrometers with spectrometer enclosures coupled to each other in the housing, each spectrometer tailored to a different wavelength range.
2 Assignments
0 Petitions
Accused Products
Abstract
A handheld LIBS spectrometer includes an optics stage movably mounted to a housing and including a laser focusing lens and a detection lens. One or more motors advance and retract the optics stage, move the optics stage left and right, and/or move the optics stage up and down. A laser source in the housing is oriented to direct a laser beam to the laser focusing lens. A spectrometer subsystem in the housing is configured to receive electromagnetic radiation from the detection lens and to provide an output. A controller subsystem is responsive to the output of the spectrometer subsystem and is configured to control the laser source and motors. In this way, auto-calibration, auto-clean, and auto-focus, and/or moving spot functionality is possible.
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Citations
21 Claims
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1. A handheld LIBS system comprising:
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a housing; an optics stage movably mounted to the housing, the optics stage including an optical head with a laser focusing lens and one or more motors configured to move the optical head and laser focus lens relative to the housing; a laser source in the housing oriented to direct a laser beam to a sample via the laser focusing lens; and a spectrometer subsystem in the housing configured to receive electromagnetic radiation from the sample and provide an output, the spectrometer subsystem including a plurality of spectrometers with spectrometer enclosures coupled to each other in the housing, each spectrometer tailored to a different wavelength range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A handheld LIBS system comprising:
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a housing; a movable laser focusing lens; a laser source in the housing oriented to direct a laser beam to a sample via the laser focusing lens; and a spectrometer subsystem in the housing configured to receive electromagnetic radiation from the sample and provide an output, the spectrometer subsystem including a plurality of spectrometers with spectrometer enclosures coupled to each other in the housing, each spectrometer tailored to a different wavelength range; each spectrometer enclosure including a floor and an open top, the floor of one enclosure configured to cover the open top of an adjacent enclosure; and a controller subsystem responsive to an output of the spectrometer subsystem and configured to adjust the position of the moveable focusing lens.
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Specification