Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnification
Krishnamurthi, M., Sparks, J.R., He, R., Temnykh, I.A., Baril, N.F., Liu, Z., Sazio, P.J.A., Badding, J.V. and Gopalan, V. (2012) Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnification. Optics Express, 20, (4), 4168-4175. (doi:10.1364/OE.20.004168).
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The proof-of-concept of an infrared imaging tip by an array of infrared waveguides tapered as small as 2 µm is demonstrated. The fabrication is based on a high-pressure chemical fluid deposition technique to deposit precisely defined periodic arrays of Ge and Si waveguides within a microstructured optical fiber template made of silica to demonstrate the proposed concept at wavelengths of 10.64 µm and 1.55 µm, respectively. The essential features of the imaging system such as isolation between adjacent pixels, magnification, optical throughput, and image transfer characteristics are investigated. Near-field scanning at 3.39 µm wavelength using a single tapered Ge core is also demonstrated.
|Digital Object Identifier (DOI):||doi:10.1364/OE.20.004168|
|Subjects:||Q Science > QC Physics|
|Divisions :||Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
|Accepted Date and Publication Date:||
|Date Deposited:||06 Mar 2012 13:06|
|Last Modified:||22 Dec 2016 18:54|
NSF Materials World Network: Semiconductor photonic materials inside microstructured optical fibers
Funded by: EPSRC (EP/I035307/1)
Led by: Pier Sazio
1 January 2012 to 31 December 2014
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