DocumentCode :
3018659
Title :
Beam Characteristics of Mid-IR Quantum Cascade Lasers
Author :
Krishnaswami, Kannan ; Bernacki, Bruce ; Cannon, Bret ; Phillips, Mark ; Hô, Nicolas ; Allen, Paul ; Anheier, Norman
Author_Institution :
Pacific Northwest Nat. Lab., Richland
fYear :
2007
fDate :
6-11 May 2007
Firstpage :
1
Lastpage :
2
Abstract :
We report divergence, astigmatism and M2 measurements for 8.77 mum quantum cascade lasers. Measurements showed divergence of 62deg by 32deg FWHM plusmn 2deg and M2 values of 1.81 and 1.22 for the fast and slow axes respectively. Astigmatism at source was ~4 mum, less than half a wave.
Keywords :
aberrations; laser beams; quantum cascade lasers; M2 measurements; astigmatism; divergence; emission profile; midIR quantum cascade lasers; wavelength 8.77 mum; Apertures; Detectors; Dielectric substrates; Diffraction; Indium phosphide; Laser beams; Lenses; Optical propagation; Quantum cascade lasers; Vision defects;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
Type :
conf
DOI :
10.1109/CLEO.2007.4453346
Filename :
4453346
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=3018659
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