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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

Diode laser frequency locking using Zeeman effect and feedback in temperature.

Weliton Soares Martins¹, Mayara Grilo, Manoel Brasileiro

¹Laboratório de Espectroscopia Otica, Departamento de Fisica, Caixa Postal 5008, Universidade Federal da Paraíba, 58051-900 João Pessoa, Paraíba, Brazil.

|February 16, 2010

Summary

This study stabilizes laser diode frequency using alkali vapor

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Area of Science:

Atomic, Molecular, and Optical Physics
Laser Physics and Photonics

Background:

Laser diode frequency stabilization is crucial for many applications.
Alkali vapors exhibit unique optical properties like circular dichroism.

Purpose of the Study:

To demonstrate a novel method for laser diode frequency stabilization.
To utilize the circular dichroism of alkali vapor for feedback control.

Main Methods:

Employing circular dichroism of alkali vapor to generate a correction signal.
Implementing a feedback loop to the laser diode's temperature actuator.

Main Results:

Successful stabilization of laser diode frequency demonstrated.
Analysis of operational conditions and system performance.

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Conclusions:

The presented system offers a viable method for laser frequency stabilization.
Further investigation into operational parameters can optimize performance.