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Optical cavities for trapping of atoms and molecules

Grant number: 19/10971-0
Support Opportunities:Regular Research Grants
Duration: September 01, 2019 - August 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Physics - Atomic and Molecular Physics
Principal Investigator:Luis Gustavo Marcassa
Grantee:Luis Gustavo Marcassa
Host Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


Experiments involving cold Rydberg atoms and Ccld molecules rely heavily on highly frequency-stabilized lasers. The most appropriate way to implement this is by locking the frequency in highly stabilized optical cavities. Such cavities are stabilized at temperature and isolated in vacuum. Currently, the main manufacturer of these cavities charges values between 40-50 thousand dollars for a cavity, which in general only allows the locking of two lasers of different frequencies. The objective of this project is the construction of two optical cavities for the stabilization of four different wavelengths for experiments involving Rydberg atoms and cold Molecules. This will improve the quality of our experiments at relatively low cost. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TORRES, MANUEL ALEJANDRO LEFRAN; FERNANDEZ, DAVID RODRIGUEZ; CARDOSO, MARCOS ROBERTO; MARCASSA, LUIS GUSTAVO. High resolution laser spectroscopy of iodine molecule in the 14 600-14 710 cm(-1) range. JOURNAL OF MOLECULAR SPECTROSCOPY, v. 387, p. 4-pg., . (18/06835-0, 19/10971-0, 19/23510-0, 21/04107-0)
GOMES, NAOMY DUARTE; MAGNANI, BARBARA DA FONSECA; MASSAYUKI KONDO, JORGE DOUGLAS; MARCASSA, LUIS GUSTAVO. Polarization Spectroscopy Applied to Electromagnetically Induced Transparency in Hot Rydberg Atoms Using a Laguerre-Gaussian Beam. ATOMS, v. 10, n. 2, p. 9-pg., . (16/21311-2, 19/10971-0, 21/06371-7)
FERNANDEZ, DAVID RODRIGUEZ; LEFRAN TORRES, MANUEL ALEJANDRO; CARDOSO, MARCOS ROBERTO; MASSAYUKI KONDO, JORGE DOUGLAS; MARCASSA, LUIS GUSTAVO. High resolution laser spectroscopy of iodine molecule in the 14400-14600 cm-1 range. JOURNAL OF MOLECULAR SPECTROSCOPY, v. 395, p. 5-pg., . (19/23510-0, 19/10971-0, 21/04107-0, 18/06835-0)
TORRES, MANUEL ALEJANDRO LEFRAN; PASSAGEM, HENRY FERNANDES; FERNANDEZ, DAVID RODRIGUEZ; DA COSTA PAUL, EDUARDO; CASIQUE, CRISTIAN ADAN MOJICA; DULIEU, OLIVIER; BOULOUFA-MAAFA, NADIA; MARCASSA, LUIS GUSTAVO. Proposal for Zeeman slowing of Rb-2 molecules in a supersonic beam, inducing internal cooling. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, v. 56, n. 6, p. 10-pg., . (19/23510-0, 19/10971-0, 21/04107-0, 18/06835-0)

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