Spatial filtering of radiation from wire lasers

E. E. Orlova; P. M. Solyankin; A. A. Angeluts; A. Lee; O. G. Kosareva; I. A. Ozheredov; A. V. Balakin; V. A. Andreeva; N. A. Panov; V. N. Aksenov; A. P. Shkurinov

doi:10.1088/1612-202X/aa5d83

Spatial filtering of radiation from wire lasers

E. E. Orlova, P. M. Solyankin, A. A. Angeluts, A. Lee, O. G. Kosareva, I. A. Ozheredov, A. V. Balakin, V. A. Andreeva, N. A. Panov, V. N. Aksenov, A. P. Shkurinov

School of Mathematics

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

In this letter we propose an approach to obtain directive radiation from wire lasers with subwavelength transverse dimensions and length much larger than the radiation wavelength (wire lasers) based on spatial filtering of their radiation using a combination of a spherical lens and a diaphragm. Theoretical modeling based on the antenna model for wire lasers shows that a directive beam with the uniform phase front can be formed when the diaphragm separates the maximum of the image field of the laser created by the lens. We demonstrate spatial filtering of wire laser radiation experimentally using a terahertz quantum cascade laser.

Original language	English (US)
Article number	045001
Journal	Laser Physics Letters
Volume	14
Issue number	4
DOIs	https://doi.org/10.1088/1612-202X/aa5d83
State	Published - Apr 2017

Bibliographical note

Funding Information:
The work is supported by Swiss National Science Foundation, by RFBR projects No.14-02-00979a and 16-29-09593-ofi-m, and by the Council of RF President (grant Nsh-9695.2016.2).

Publisher Copyright:
© 2017 Astro Ltd.

Keywords

spatial filtering
terahertz quantum cascade laser
wire laser

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10.1088/1612-202X/aa5d83

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title = "Spatial filtering of radiation from wire lasers",

abstract = "In this letter we propose an approach to obtain directive radiation from wire lasers with subwavelength transverse dimensions and length much larger than the radiation wavelength (wire lasers) based on spatial filtering of their radiation using a combination of a spherical lens and a diaphragm. Theoretical modeling based on the antenna model for wire lasers shows that a directive beam with the uniform phase front can be formed when the diaphragm separates the maximum of the image field of the laser created by the lens. We demonstrate spatial filtering of wire laser radiation experimentally using a terahertz quantum cascade laser.",

keywords = "spatial filtering, terahertz quantum cascade laser, wire laser",

author = "Orlova, {E. E.} and Solyankin, {P. M.} and Angeluts, {A. A.} and A. Lee and Kosareva, {O. G.} and Ozheredov, {I. A.} and Balakin, {A. V.} and Andreeva, {V. A.} and Panov, {N. A.} and Aksenov, {V. N.} and Shkurinov, {A. P.}",

note = "Funding Information: The work is supported by Swiss National Science Foundation, by RFBR projects No.14-02-00979a and 16-29-09593-ofi-m, and by the Council of RF President (grant Nsh-9695.2016.2). Publisher Copyright: {\textcopyright} 2017 Astro Ltd.",

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doi = "10.1088/1612-202X/aa5d83",

language = "English (US)",

volume = "14",

journal = "Laser Physics Letters",

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T1 - Spatial filtering of radiation from wire lasers

AU - Orlova, E. E.

AU - Solyankin, P. M.

AU - Angeluts, A. A.

AU - Lee, A.

AU - Kosareva, O. G.

AU - Ozheredov, I. A.

AU - Balakin, A. V.

AU - Andreeva, V. A.

AU - Panov, N. A.

AU - Aksenov, V. N.

AU - Shkurinov, A. P.

N1 - Funding Information: The work is supported by Swiss National Science Foundation, by RFBR projects No.14-02-00979a and 16-29-09593-ofi-m, and by the Council of RF President (grant Nsh-9695.2016.2). Publisher Copyright: © 2017 Astro Ltd.

PY - 2017/4

Y1 - 2017/4

N2 - In this letter we propose an approach to obtain directive radiation from wire lasers with subwavelength transverse dimensions and length much larger than the radiation wavelength (wire lasers) based on spatial filtering of their radiation using a combination of a spherical lens and a diaphragm. Theoretical modeling based on the antenna model for wire lasers shows that a directive beam with the uniform phase front can be formed when the diaphragm separates the maximum of the image field of the laser created by the lens. We demonstrate spatial filtering of wire laser radiation experimentally using a terahertz quantum cascade laser.

AB - In this letter we propose an approach to obtain directive radiation from wire lasers with subwavelength transverse dimensions and length much larger than the radiation wavelength (wire lasers) based on spatial filtering of their radiation using a combination of a spherical lens and a diaphragm. Theoretical modeling based on the antenna model for wire lasers shows that a directive beam with the uniform phase front can be formed when the diaphragm separates the maximum of the image field of the laser created by the lens. We demonstrate spatial filtering of wire laser radiation experimentally using a terahertz quantum cascade laser.

KW - spatial filtering

KW - terahertz quantum cascade laser

KW - wire laser

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DO - 10.1088/1612-202X/aa5d83

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VL - 14

JO - Laser Physics Letters

JF - Laser Physics Letters

IS - 4

M1 - 045001

ER -

Spatial filtering of radiation from wire lasers

Abstract

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