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Frontiers in Chemistry: Rising Stars

 

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Comparison between different inscription methods of FBG in CYTOP polymer optical fiber

Comparison between different inscription methods of FBG in CYTOP polymer optical fiber
Abstract
We report on the inscription of fiber Bragg grating in perfluorinated polymer optical fiber (CYTOP) by femtosecond pulses laser at 400 nm with phase mask technique and at 800 nm with two direct inscription methods: point-by-point and line-byline. We analyze the stability of the gratings after inscription and study their sensing properties. To discriminate between the properties of the CYTOP fiber and the influence of the over-clad, we consider gratings produced in CYTOP fiber with and without the over-clad, and we determine their sensitivities to temperature, humidity and strain.
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Karima Chah, Ying-Gang Nan, Ivan Chapalo, Patrice Mégret, and Christophe Caucheteur “Comparison between different inscription methods of FBG in CYTOP polymer optical fiber”, Proc. SPIE 12139, Optical Sensing and Detection VII, 1213910 (17 May 2022); https://doi.org/10.1117/12.2621468

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今日超快激光——平均激光功率的不断提高为飞秒激光加工开辟了新的天地

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Gall y neges e-bost hon, ac unrhyw atodiadau a anfonwyd gyda hi, gynnwys deunydd cyfrinachol ac wedi eu bwriadu i’w defnyddio’n unig gan y sawl y cawsant eu cyfeirio ato (atynt). Os ydych wedi derbyn y neges e-bost hon trwy gamgymeriad, rhowch wybod i’r anfonwr ar unwaith a dilewch y neges. Os na fwriadwyd anfon y neges atoch chi, rhaid i chi beidio a defnyddio, cadw neu ddatgelu unrhyw wybodaeth a gynhwysir ynddi. Mae unrhyw farn neu safbwynt yn eiddo i’r sawl a’i hanfonodd yn unig ac nid yw o anghenraid yn cynrychioli barn Prifysgol Bangor. Nid yw Prifysgol Bangor yn gwarantu bod y neges e-bost hon neu unrhyw atodiadau yn rhydd rhag firysau neu 100% yn ddiogel. Oni bai fod hyn wedi ei ddatgan yn uniongyrchol yn nhestun yr e-bost, nid bwriad y neges e-bost hon yw ffurfio contract rhwymol – mae rhestr o lofnodwyr awdurdodedig ar gael o Swyddfa Cyllid Prifysgol Bangor.

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金陵塔

 

 

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Gall y neges e-bost hon, ac unrhyw atodiadau a anfonwyd gyda hi, gynnwys deunydd cyfrinachol ac wedi eu bwriadu i’w defnyddio’n unig gan y sawl y cawsant eu cyfeirio ato (atynt). Os ydych wedi derbyn y neges e-bost hon trwy gamgymeriad, rhowch wybod i’r anfonwr ar unwaith a dilewch y neges. Os na fwriadwyd anfon y neges atoch chi, rhaid i chi beidio a defnyddio, cadw neu ddatgelu unrhyw wybodaeth a gynhwysir ynddi. Mae unrhyw farn neu safbwynt yn eiddo i’r sawl a’i hanfonodd yn unig ac nid yw o anghenraid yn cynrychioli barn Prifysgol Bangor. Nid yw Prifysgol Bangor yn gwarantu bod y neges e-bost hon neu unrhyw atodiadau yn rhydd rhag firysau neu 100% yn ddiogel. Oni bai fod hyn wedi ei ddatgan yn uniongyrchol yn nhestun yr e-bost, nid bwriad y neges e-bost hon yw ffurfio contract rhwymol – mae rhestr o lofnodwyr awdurdodedig ar gael o Swyddfa Cyllid Prifysgol Bangor.

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REF2021 results (@REF_2021)

REF2021 (@REF_2021) tweeted at 2:49 pm on Thu, May 12, 2022:
Today we, on behalf of our partners in @ResEngland, @ScotFundCouncil, @HEFCW and @Economy_NI, publish the results of the UK-wide assessment of university research.
https://t.co/XC0NVyFA38

REF 2021 has identified a substantial proportion of world-leading research across the UK. https://t.co/guoM3XeyQI
(https://twitter.com/REF_2021/status/1524748527825408002?t=dbTnIU9yrzWTIL_zYDHq4g&s=03

REF2021 Ranking table

 

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Rhif Elusen Gofrestredig 1141565 – Registered Charity No. 1141565

Gall y neges e-bost hon, ac unrhyw atodiadau a anfonwyd gyda hi, gynnwys deunydd cyfrinachol ac wedi eu bwriadu i’w defnyddio’n unig gan y sawl y cawsant eu cyfeirio ato (atynt). Os ydych wedi derbyn y neges e-bost hon trwy gamgymeriad, rhowch wybod i’r anfonwr ar unwaith a dilewch y neges. Os na fwriadwyd anfon y neges atoch chi, rhaid i chi beidio a defnyddio, cadw neu ddatgelu unrhyw wybodaeth a gynhwysir ynddi. Mae unrhyw farn neu safbwynt yn eiddo i’r sawl a’i hanfonodd yn unig ac nid yw o anghenraid yn cynrychioli barn Prifysgol Bangor. Nid yw Prifysgol Bangor yn gwarantu bod y neges e-bost hon neu unrhyw atodiadau yn rhydd rhag firysau neu 100% yn ddiogel. Oni bai fod hyn wedi ei ddatgan yn uniongyrchol yn nhestun yr e-bost, nid bwriad y neges e-bost hon yw ffurfio contract rhwymol – mae rhestr o lofnodwyr awdurdodedig ar gael o Swyddfa Cyllid Prifysgol Bangor.

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https://www.timeshighereducation.com/news/ref-2021-research-excellence-framework-results-announced

SOAS University of London123.242.826168790.33
=42University of Essex173.233.05=35191340.88
=42University of Dundee163.233.03=38125500.59
=42Bangor University93.232.99=4274770.35
=42St George’s, University of London23.232.99=42291020.13
=46Heriot-Watt University113.223.06=33114530.52
=46Birkbeck, University of London153.222.97=46113540.54
=48Swansea University183.23.09=26156410.69
=48Ulster University173.22.91=54150430.67
50Cranfield University33.183.07=3193680.4