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Micro-Molded High Q Polymer Resonators for Optical Loss Determination

Published online by Cambridge University Press:  01 February 2011

Andrea L. Martin ,
Akil Srinivasan ,
Deniz K. Armani ,
Bumki Min  and
Kerry J. Vahala
Andrea L. Martin
Affiliation:
Department of Applied Physics, California Institute of Technology, 1200 E California Blvd, M/C 128-95 Pasadena, CA 91125, U. S. A.
Akil Srinivasan
Affiliation:
Department of Applied Physics, California Institute of Technology, 1200 E California Blvd, M/C 128-95 Pasadena, CA 91125, U. S. A.
Deniz K. Armani
Affiliation:
Department of Applied Physics, California Institute of Technology, 1200 E California Blvd, M/C 128-95 Pasadena, CA 91125, U. S. A.
Bumki Min
Affiliation:
Department of Applied Physics, California Institute of Technology, 1200 E California Blvd, M/C 128-95 Pasadena, CA 91125, U. S. A.
Kerry J. Vahala
Affiliation:
Department of Applied Physics, California Institute of Technology, 1200 E California Blvd, M/C 128-95 Pasadena, CA 91125, U. S. A.
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Abstract

Replica molding of ultra-high-Q toroidal microresonators can produce polymer microresonators with material-limited quality factors (Q). This was demonstrated previously using polymers which cure thermally. In this work, high Q polymer microresonators were fabricated using the replica molding technique from previously uncharacterized polymers which require either a thermal or UV cure. The quality factor and effective refractive index of whispering gallery modes was measured at wavelengths ranging from the visible (680nm) through the near-IR (1550nm). The optical absorption coefficient (material absorption) of these previously uncharacterized polymers was determined from the quality factor and effective refractive index of the polymer.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 872: Symposium J – Micro- and Nanosystems—Materials and Devices , 2005 , J8.1
Copyright
Copyright © Materials Research Society 2005

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