Cooling Fiber Laser Power Converter Systems by Immersion in Oil
We demonstrate the use of Laser Power Converters (LPCs) driven by fiber laser light while immersed in transformer oil for heat management purposes. Reliability tests performed via extended continuous operation using 6–7 W of input power from 808 nm and 976 nm light propagating through oil show no de...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-04-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/12/5/431 |
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| _version_ | 1850125952387907584 |
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| author | Denis Masson Simon Fafard |
| author_facet | Denis Masson Simon Fafard |
| author_sort | Denis Masson |
| collection | DOAJ |
| description | We demonstrate the use of Laser Power Converters (LPCs) driven by fiber laser light while immersed in transformer oil for heat management purposes. Reliability tests performed via extended continuous operation using 6–7 W of input power from 808 nm and 976 nm light propagating through oil show no degradation of components nor transmission losses from the oil for up to 1000 h. The operation of a bare die designed for use with 1040–1080 nm light and in direct contact with oil is also shown to be feasible. We discuss how the use of transformer oil can be beneficial to transfer excess heat away from LPCs in special applications. |
| format | Article |
| id | doaj-art-6416d29777ba4b51a0e2b8964d4d2b6e |
| institution | OA Journals |
| issn | 2304-6732 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj-art-6416d29777ba4b51a0e2b8964d4d2b6e2025-08-20T02:34:01ZengMDPI AGPhotonics2304-67322025-04-0112543110.3390/photonics12050431Cooling Fiber Laser Power Converter Systems by Immersion in OilDenis Masson0Simon Fafard1Broadcom (Canada), Industrial Fiber Product Division (IFPD), Ottawa, ON K1A 0R6, CanadaBroadcom (Canada), Industrial Fiber Product Division (IFPD), Ottawa, ON K1A 0R6, CanadaWe demonstrate the use of Laser Power Converters (LPCs) driven by fiber laser light while immersed in transformer oil for heat management purposes. Reliability tests performed via extended continuous operation using 6–7 W of input power from 808 nm and 976 nm light propagating through oil show no degradation of components nor transmission losses from the oil for up to 1000 h. The operation of a bare die designed for use with 1040–1080 nm light and in direct contact with oil is also shown to be feasible. We discuss how the use of transformer oil can be beneficial to transfer excess heat away from LPCs in special applications.https://www.mdpi.com/2304-6732/12/5/431power over fiberoptical power converterslaser power convertersphotovoltaic multijunctionsgalvanic isolationGaAs |
| spellingShingle | Denis Masson Simon Fafard Cooling Fiber Laser Power Converter Systems by Immersion in Oil Photonics power over fiber optical power converters laser power converters photovoltaic multijunctions galvanic isolation GaAs |
| title | Cooling Fiber Laser Power Converter Systems by Immersion in Oil |
| title_full | Cooling Fiber Laser Power Converter Systems by Immersion in Oil |
| title_fullStr | Cooling Fiber Laser Power Converter Systems by Immersion in Oil |
| title_full_unstemmed | Cooling Fiber Laser Power Converter Systems by Immersion in Oil |
| title_short | Cooling Fiber Laser Power Converter Systems by Immersion in Oil |
| title_sort | cooling fiber laser power converter systems by immersion in oil |
| topic | power over fiber optical power converters laser power converters photovoltaic multijunctions galvanic isolation GaAs |
| url | https://www.mdpi.com/2304-6732/12/5/431 |
| work_keys_str_mv | AT denismasson coolingfiberlaserpowerconvertersystemsbyimmersioninoil AT simonfafard coolingfiberlaserpowerconvertersystemsbyimmersioninoil |