A study of the effect of imperfections in the optical path of the SNS* target imaging system using a mock-up

W. Blokland; F. Garcia

doi:10.18429/JACoW-IBIC2017-WEPCC14

A study of the effect of imperfections in the optical path of the SNS* target imaging system using a mock-up

W. Blokland, F. Garcia

Beam Instrumentation

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The Spallation Neutron Source sends a 1 GeV proton beam to a mercury filled target to generate neutrons. The Target Imaging System (TIS) provides an image of this proton beam on the target to help center the beam and determine the peak density. Most of the TIS optical path is installed together with the proton beam window, which is replaced every two to three years. Using the next-to-be-installed proton beam window and a mock-up of the target and the beam pipe to the target, we have studied imperfections in the optical path to estimate their effect on the TIS measurements. In this paper, we show the effect of geometric distortion and light reflections, as well as the difference in the performance of two optical fiber bundles with different resolutions and contrasts.

Original language	English
Title of host publication	Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017
Publisher	Joint Accelerator Conferences Website (JACoW)
Pages	384-387
Number of pages	4
ISBN (Electronic)	9783954501922
DOIs	https://doi.org/10.18429/JACoW-IBIC2017-WEPCC14
State	Published - 2017
Event	6th International Beam Instrumentation Conference, IBIC 2017 - Grand Rapids, United States Duration: Aug 20 2017 → Aug 24 2017

Publication series

Name	Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017

Conference

Conference	6th International Beam Instrumentation Conference, IBIC 2017
Country/Territory	United States
City	Grand Rapids
Period	08/20/17 → 08/24/17

Bibliographical note

Publisher Copyright:
© 2018 by JACoW - cc Creative Commons Attribution 3.0.

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10.18429/JACoW-IBIC2017-WEPCC14

Cite this

Blokland, W., & Garcia, F. (2017). A study of the effect of imperfections in the optical path of the SNS* target imaging system using a mock-up. In Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017 (pp. 384-387). (Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017). Joint Accelerator Conferences Website (JACoW). https://doi.org/10.18429/JACoW-IBIC2017-WEPCC14

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abstract = "The Spallation Neutron Source sends a 1 GeV proton beam to a mercury filled target to generate neutrons. The Target Imaging System (TIS) provides an image of this proton beam on the target to help center the beam and determine the peak density. Most of the TIS optical path is installed together with the proton beam window, which is replaced every two to three years. Using the next-to-be-installed proton beam window and a mock-up of the target and the beam pipe to the target, we have studied imperfections in the optical path to estimate their effect on the TIS measurements. In this paper, we show the effect of geometric distortion and light reflections, as well as the difference in the performance of two optical fiber bundles with different resolutions and contrasts.",

author = "W. Blokland and F. Garcia",

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year = "2017",

doi = "10.18429/JACoW-IBIC2017-WEPCC14",

language = "English",

series = "Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017",

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pages = "384--387",

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Blokland, W & Garcia, F 2017, A study of the effect of imperfections in the optical path of the SNS* target imaging system using a mock-up. in Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017. Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017, Joint Accelerator Conferences Website (JACoW), pp. 384-387, 6th International Beam Instrumentation Conference, IBIC 2017, Grand Rapids, United States, 08/20/17. https://doi.org/10.18429/JACoW-IBIC2017-WEPCC14

A study of the effect of imperfections in the optical path of the SNS* target imaging system using a mock-up. / Blokland, W.; Garcia, F.
Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017. Joint Accelerator Conferences Website (JACoW), 2017. p. 384-387 (Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - The Spallation Neutron Source sends a 1 GeV proton beam to a mercury filled target to generate neutrons. The Target Imaging System (TIS) provides an image of this proton beam on the target to help center the beam and determine the peak density. Most of the TIS optical path is installed together with the proton beam window, which is replaced every two to three years. Using the next-to-be-installed proton beam window and a mock-up of the target and the beam pipe to the target, we have studied imperfections in the optical path to estimate their effect on the TIS measurements. In this paper, we show the effect of geometric distortion and light reflections, as well as the difference in the performance of two optical fiber bundles with different resolutions and contrasts.

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Blokland W, Garcia F. A study of the effect of imperfections in the optical path of the SNS* target imaging system using a mock-up. In Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017. Joint Accelerator Conferences Website (JACoW). 2017. p. 384-387. (Proceedings of the 6th International Beam Instrumentation Conference, IBIC 2017). doi: 10.18429/JACoW-IBIC2017-WEPCC14

A study of the effect of imperfections in the optical path of the SNS* target imaging system using a mock-up

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