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Absorption Spectroscopic Studies of Chip-scale Rubidium Atomic Vapour Cells in a Compact 3D Printed Magneto-Optic Package

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Title Absorption Spectroscopic Studies of Chip-scale Rubidium Atomic Vapour Cells in a Compact 3D Printed Magneto-Optic Package
 
Creator Giridhar, M S
Karanth, S P
Akshaya
Elumalai, S
Sriram, K V
 
Subject Chip-scale vapour cell
Absorption spectroscopy
3D printing
Tunable diode laser spectroscopy
 
Description 301-308
This paper describes the design, development and spectroscopic studies of chip-scale Rb atomic vapour cell developed in the
authors’ laboratory. A compact magneto-optic package for the chip-scale Rb cell comprising of TEC integrated VCSEL
source, silicon p-i-n photo detector and a hemispherical lens for light collimation is reported. The package is manufactured
using commercial 3D printing technology. A PC based data acquisition system has been developed to provide real time
analysis of the captured spectral data of the Rb chip by laser interrogation of the D1 hyperfine transition. Doppler broadened
absorption resonance lines of technological importance have been recorded for transitions 85Rb(2S1/2 F=2→2P1/2 F′ =2,3)
having absorption amplitude 1.24 V and FWHM 850 MHz and 87Rb(2S1/2 F=1 →2P1/2 F′ =1,2) has absorption amplitude 0.47
V and FWHM 567 MHz at cell temperature of 70 oC. Further, the chip-scale Rb atomic cell in the magneto-optical package
will be explored to develop atomic sensors for space applications.
 
Date 2023-05-25T08:48:14Z
2023-05-25T08:48:14Z
2023-05
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscpr.res.in/handle/123456789/61947
https://doi.org/10.56042/ijpap.v61i5.71432
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJPAP Vol.61(05) [May 2023]