Beam characteristics of mid-IR quantum cascade lasers

Kannan Krishnaswami, Bruce Bernacki, Bret Cannon, Mark Phillips, Nicolas Hô, Paul Allen, Norman Anheier

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We report divergence, astigmatism and M2 measurements for 8.77μm quantum cascade lasers. Measurements showed divergence of 62° by 32° FWHM ± 2° and M2 values of 1.81 and 1.22 for the fast and slow axes respectively. Astigmatism at source was ∼4iμm, less than half a wave.

Original languageEnglish (US)
Title of host publication2007 Quantum Electronics and Laser Science Conference, QELS
DOIs
StatePublished - 2007
Externally publishedYes
Event2007 Quantum Electronics and Laser Science Conference, QELS - Baltimore, MD, United States
Duration: May 6 2007May 11 2007

Publication series

NameConference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series

Other

Other2007 Quantum Electronics and Laser Science Conference, QELS
Country/TerritoryUnited States
CityBaltimore, MD
Period5/6/075/11/07

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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