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Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnification

Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnification
Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnification
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.
1094-4087
4168-4175
Krishnamurthi, M.
5f23bcdd-c9c4-4758-a354-86036771f902
Sparks, J.R.
40565a13-0809-4674-aa8e-9e6f4ba044d1
He, R.
e4796bae-9498-4817-8047-094c24ea5b17
Temnykh, I.A.
17eea7dc-5a73-4fbf-b28a-a69879ae2155
Baril, N.F.
f5d317cc-48d8-4be0-8f08-5385e700f8bb
Liu, Z.
f2d813f1-8806-4fd5-a719-2e9357f2453f
Sazio, P.J.A.
0d6200b5-9947-469a-8e97-9147da8a7158
Badding, J.V.
940f7adb-73df-4f8a-9c46-e47f5425fef0
Gopalan, V.
7927bd73-45f5-4501-a160-d294652c3fe0
Krishnamurthi, M.
5f23bcdd-c9c4-4758-a354-86036771f902
Sparks, J.R.
40565a13-0809-4674-aa8e-9e6f4ba044d1
He, R.
e4796bae-9498-4817-8047-094c24ea5b17
Temnykh, I.A.
17eea7dc-5a73-4fbf-b28a-a69879ae2155
Baril, N.F.
f5d317cc-48d8-4be0-8f08-5385e700f8bb
Liu, Z.
f2d813f1-8806-4fd5-a719-2e9357f2453f
Sazio, P.J.A.
0d6200b5-9947-469a-8e97-9147da8a7158
Badding, J.V.
940f7adb-73df-4f8a-9c46-e47f5425fef0
Gopalan, V.
7927bd73-45f5-4501-a160-d294652c3fe0

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), pp. 4168-4175. (doi:10.1364/OE.20.004168).

Record type: Article

Abstract

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.

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Published date: 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 334088
URI: http://eprints.soton.ac.uk/id/eprint/334088
ISSN: 1094-4087
PURE UUID: c737f56d-5e20-4950-810f-f1c0ae0beb57
ORCID for P.J.A. Sazio: ORCID iD orcid.org/0000-0002-6506-9266

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Date deposited: 06 Mar 2012 13:06
Last modified: 18 Jul 2017 06:12

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Contributors

Author: M. Krishnamurthi
Author: J.R. Sparks
Author: R. He
Author: I.A. Temnykh
Author: N.F. Baril
Author: Z. Liu
Author: P.J.A. Sazio ORCID iD
Author: J.V. Badding
Author: V. Gopalan

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