Yang, Changhuei and Yazdanfar, Siavash and Izatt, Joseph (2004) Amplification of optical delay by use of matched linearly chirped fiber Bragg gratings. Optics Letters, 29 (7). pp. 685-687. ISSN 0146-9592. http://resolver.caltech.edu/CaltechAUTHORS:YANol04a
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We describe the use of a matched linearly chirped fiber Bragg grating (FBG) pair as a key element in an adjustable optical delay line. This delay line has the unique property that the achievable optical group delay is orders of magnitude greater (factor of 10^2 in our experiment) than the actual physical displacement. We demonstrate operation of such an optical delay line over a delay range of 3.5 mm using a pair of matched 1300-nm chirped FBGs with a bandwidth of 20 nm each.
|Additional Information:||© 2004 Optical Society of America Received September 2, 2003 This research was supported by National Institutes of Health grant EB000243. We acknowledge useful suggestions from T. Sargent of the University of Toronto.|
|Subject Keywords:||Gratings; Optical coherence tomography; Interferometry; Bragg reflectors|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Archive Administrator|
|Deposited On:||30 May 2006|
|Last Modified:||26 Dec 2012 08:53|
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