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Submicron Thermal Imaging of High Power Slab Coupled Optical Waveguide Laser (SCOWL)

[+] Author Affiliations
Paddy K. L. Chan, Amul D. Sathe, Kevin P. Pipe

University of Michigan

Jason J. Plant, Reuel B. Swint, Paul W. Juodawlkis

Lincoln Laboratory-MIT

Paper No. IMECE2006-14426, pp. 187-191; 5 pages
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 3
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-4786-1 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by ASME and MIT Lincoln Laboratory


Nonradiative power dissipation within and near the active region of a high power single mode slab coupled optical waveguide laser is directly measured by CCD-based thermoreflectance, including its variation with device bias. By examining the high spatial resolution temperature profile at the optical output facets, we quantify heat spreading from the source in the active region both downward to the substrate and upward to the metal top contact.

Copyright © 2006 by ASME and MIT Lincoln Laboratory
Topics: Lasers , Slabs , Waveguides , Imaging



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