Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

System for the measurement of the deviation of a laser beam from the vertical direction

Not Accessible

Your library or personal account may give you access

Abstract

If a used “vertical beam” is not perfectly vertical in a measurement, a cosine error will be introduced into it. To decrease and compensate for this cosine error, a measurement system is proposed to measure the deviation of the laser beam from the vertical direction. The structure of our measurement system is illustrated, and a model for solving for the deviation angle is established. As the distance of the beam spots on the charge-coupled device is the essential parameter for the measurement results, the acquisition process for this distance is explained. Moreover, the accuracy of the algorithm used in the acquisition process is also tested by experiments. Further, a self-correction module is designed and applied to reduce the error caused by the corner cube reflector in the system. The characteristics of the measurement system such as the resolution, stability, temperature drift, and direction accuracy are analyzed through experiments. The combined uncertainty of the measurement system is calculated to be 11×106rad.

© 2016 Optical Society of America

Full Article  |  PDF Article
More Like This
Vacuum compatible vertical-laser alignment method based on an oil mirror and air-spaced doublets

Tao Zeng, Yang Bai, Zhengkun Li, and Yue Wang
Appl. Opt. 62(3) 601-611 (2023)

Near-zero beam drift laser tracking and measurement system with two-stage compression structures

Tianci Feng, Chengjun Cui, Jianli Li, Weihu Zhou, Guoming Wang, Dengfeng Dong, Zili Zhang, Qifan Qiu, and Shan Wang
Appl. Opt. 62(16) 4342-4348 (2023)

Measurement system with high accuracy for laser beam quality

Yi Ke, Ciling Zeng, Peiyuan Xie, Qingshan Jiang, Ke Liang, Zhenyu Yang, and Ming Zhao
Appl. Opt. 54(15) 4876-4880 (2015)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (16)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (3)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (15)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved