KRb molecules in an optical dipole TRAP

• Grant number: 14/24479-6
• Support Opportunities: Scholarships in Brazil - Master
• Start date: March 01, 2015
• End date: February 28, 2017
• Field of knowledge: Physical Sciences and Mathematics - Physics - Atomic and Molecular Physics
• Agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
• Principal Investigator: Luis Gustavo Marcassa
• Grantee: Paulo Cesar Ventura da Silva
• Host Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
• Associated research grant: 13/02816-8 - Manipulation of atomic collisions in optical traps, AP.TEM

Abstract

In recent years, our laboratory has dominated the optical dipole trap technique. Currently, daily samples were produced from trapped atomic species using a high power laser at 1,06 microns. Such samples have about 106 atoms trapped in a density of 1012 atoms / cm3, and temperatures lower than 20 ¼K. Currently, the trapped sample is the starting point of any modern experiment in atomic physics. The goal of this project is to use our optical dipole trap to trap atoms of K and Rb simultaneously, photoassociate them forming a trapped molecule (KRb). Then, optical pumping processes will be used to produce molecules in the fundamental vibrational state of the electronic ground potential. This sample may be used to study molecular collisions. (AU)

Scientific publications

(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)

PASSAGEM, HENRY FERNANDES; COLIN-RODRIGUEZ, RICARDO; VENTURA DA SILVA, PAULO CESAR; BOULOUFA-MAAFA, NADIA; DULIEU, OLIVIER; MARCASSA, LUIS GUSTAVO. Formation of ultracold molecules induced by a high-power single-frequency fiber laser. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, v. 50, n. 4, FEB 2017. (14/24479-6, 13/02816-8)

PASSAGEM, HENRY FERNANDES; COLIN-RODRIGUEZ, RICARDO; TALLANT, JONATHAN; VENTURA DA SILVA, PAULO CESAR; BOULOUFA-MAAFA, NADIA; DULIEU, OLIVIER; MARCASSA, LUIS GUSTAVO. Continuous Loading of Ultracold Ground-State Rb-85(2) Molecules in a Dipole Trap Using a Single Light Beam. Physical Review Letters, v. 122, n. 12, MAR 26 2019. (11/23533-9, 13/02816-8, 14/24479-6)

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

SILVA, Paulo Cesar Ventura da. Photoassociation and vibrational cooling of Rb2 molecules with a high-power laser. 2017. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC/BT) São Carlos.