Device based on improving optical pumping efficiency
A technology of optical pumping and efficiency, applied in the field of optics, which can solve the problem of difficulty in eliminating optical frequency shift
Pending Publication Date: 2019-04-16
JIANGHAN UNIVERSITY
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is that in the existing technology based on improving the optical pumping efficiency, there is a technical problem that it is difficult to eliminate the optical frequency shift
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[0023] The invention discloses a device based on improving light pumping efficiency, which is used to generate pumping light through a spectrum lamp module; a magnetic ultra-fine component filter is connected to the spectrum lamp module, and the spectrum lamp module produces the The pumping light is transmitted to the magnetic ultra-fine component filter, and the pumping light is filtered through the magnetic ultra-fine component filter. At the same time, the resonant cavity is connected with the magnetic ultrafine component filter, and the magnetic ultrafine component filter is located between the spectrum lamp module and the resonant cavity, and the resonant cavity, the magnetic ultrafine component The optical filter and the spectrum lamp module are located in the optical path of the pumped light, the resonant cavity is used to receive the pumped light, and an integrated filter resonant bubble and a photocell are arranged in the resonant cavity. And the microwave search sign...
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The invention discloses a device based on improving optical pumping efficiency and belongs to the technical field of optics. The device comprises a spectrum lamp module, a magnetic hyperfine componentoptical filter, a resonant cavity, a microwave exploration signal generating module, and a microprocessor; the spectrum lamp module is used for generating pumping light; the magnetic hyperfine component optical filter is connected with the spectrum lamp module; the pumping light generated by the spectrum lamp module is transmitted to the magnetic hyperfine component optical filter, and the pumping light is subjected to filtering processing through the magnetic ultrafine component optical filter; the resonant cavity is connected with the magnetic hyperfine component optical filter, the magnetic hyperfine component optical filter is located between the spectrum lamp module and the resonant cavity, and an integrated filtering resonance bubble and a photocell are disposed in the resonant cavity; the microwave exploration signal generating module is connected with the resonant cavity; and the microprocessor is respectively connected with the microwave exploration signal generating module,the photocell, and the spectrum lamp module. The device in the present invention achieves the technical effect of being capable of eliminating optical frequency shift.
Description
technical field [0001] The invention belongs to the field of optical technology, in particular to a device based on improving light pumping efficiency. Background technique [0002] Optical pumping is the interaction between polarized light with angular momentum and atoms. According to the principle of conservation of angular momentum, when atoms absorb photon energy, they also absorb its angular momentum, which is used to change the distribution number of particles at each energy level. In the actual rubidium atomic frequency standard, the pump light is not a monochromatic light, but a superposition of multiple spectral lines with a certain line width and line shape function. [0003] For existing technologies based on improving optical pumping efficiency, a part of the frequency components within the spectral line shape function range of the pumping light produces positive optical frequency shifts, and another part of the frequency components produces negative optical freq...
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IPC IPC(8): H03L7/26
CPCH03L7/26
Inventor 詹志明涂娟
Owner JIANGHAN UNIVERSITY