Bogan, C., Kwee, P., Hild, S., Huttner, S. H. and Willke, B. (2015) Novel technique for thermal lens measurement in commonly used optical components. Optics Express, 23(12), pp. 15380-15389. (doi: 10.1364/OE.23.015380) (PMID:26193518)
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Abstract
The absorption of light in transmissive optics cause a thermally induced effect known as thermal lensing. This effect provokes an often undesired change of a laser beam transmitted by the optic. In this paper we present a measurement method that allows us to determine thermal lensing in commonly used optical components. The beam influenced by the thermal lens is expanded into the eigenmodes of an optical cavity, and its modal content is analyzed in the eigenbasis of the cavity. The measured quantity depends neither on beam parameters nor on the position of the optical component under investigation. This method allows, to our knowledge, for the first time the direct measurement of the mode conversion coefficient je2j of the thermal lens.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Hild, Professor Stefan and Huttner, Dr Sabina |
| Authors: | Bogan, C., Kwee, P., Hild, S., Huttner, S. H., and Willke, B. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Optics Express |
| Publisher: | Optical Society of America |
| ISSN: | 1094-4087 |
| ISSN (Online): | 1094-4087 |
| Copyright Holders: | Copyright © 2015 Optical Society of America |
| First Published: | First published in Optics Express 23(12):15380-15389 |
| Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher. |
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