EXTERNAL-CAVITY DIODE LASER BASED ON VOIGT ANOMALOUS DISPERSION ATOMIC OPTICAL FILTER, AND METHOD THEREOF
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United States of America
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Nov 7, 2024
app pub date -
Apr 30, 2024
filing date -
Apr 30, 2024
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Abstract
The present application discloses an external-cavity diode laser based on a Voigt anomalous dispersion atomic optical filter. The laser includes: a laser diode coated with an anti-reflective coating, where the laser diode is provided with a temperature control module thereon; a collimation module, configured to perform collimation and expanding for the laser diode; the Voigt anomalous dispersion atomic optical filter, configured to filter laser light emitted from the laser diode, where a spectrum of laser light output from the laser depends on a transmission spectrum of the atomic optical filter; a reflective cavity mirror, configured to reflect the laser light filtered by the atomic optical filter back into a resonant cavity to form oscillation and produce stable laser light; a piezoelectric ceramic, assembled with the reflective cavity mirror and configured to fine-tune a cavity length of the laser to achieve tuning of the laser light.
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