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US 10,378,990 B2Granted
Gravity-based light pressure calibrating device and corresponding method
AssigneeNorthwestern Polytechnical University
InventorsAiming Shi, Li Jiang
Life of this patent
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Abstract
A gravity-based light pressure calibrating device includes a vacuum chamber, a calibration platform, and laser emitters and laser beam expanders, laser beam expanders changing a point light source to an area light source.
Claims8
A gravity-based light pressure calibrating device comprising:
- a vacuum chamber;
- a calibration platform;
- and
- laser emitters and laser beam expanders, laser beam expanders expanding a section of a beam generated by the laser beam emitters to an area light source, wherein the calibration platform is fixed in middle of the vacuum chamber, and wherein the calibration platform further comprises:
- mirrors;
- a pure aluminum film;
- a quartz supporting panel;
- and
- a bracket.
6 more elements
Dependencies are inferred from the claim text.