Alkali metal vapor laser light source for laser interferometer gravitational wave detector
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NAT UNIV OF DEFENSE TECH
- Publication Date
- 2020-07-10
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention belongs to the field of cosmic observation and laser technology, and relates to an alkali metal vapor laser light source, in particular to a single-frequency single high-order mode alkali metal vapor laser light source for a laser interferometer gravitational wave detector. Background technique
[0002] Gravitational waves are an important prediction of Einstein's general theory of relativity, and the detection of gravitational waves is one of the most important frontier fields in contemporary physics. The intensity of gravitational waves is very weak, and the length change caused by gravitational waves is only 10 -19 m order, it is extremely difficult to measure such a tiny length. Many early attempts were unsuccessful.
[0003] In 1963, former Soviet scientists Senstein and Pustovait first proposed the use of interferometers to detect gravitational waves. In 1971, Professor Weiss of the Massachusetts Institute of Technology also indep...