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CONTENTS & LEADER


Electro Optics


Contents Analysis: Startups Analysis: Startups Analysis: Epic AGM report


Diversity, photonics funding and investment were highlighted at Epic’s annual meeting, reports Matthew Dale


Feature: Remote sensing 12


Laser light behaves differently in water, bringing both challenges and opportunities for oceanographers using lidar, finds Andy Extance


Sponsored: Raman spectroscopy 17 The analysis of tritium-containing gases by Raman spectroscopy has become routine, finds Laser Quantum


Feature: Optical metrology 18


Advances in optical metrology equipment are helping the semiconductor industry increase productivity, finds Keely Portway


Sponsored: Optical metrology 23 LBP Optics discusses the techniques used to take sub-micron measurements of mirrors and optical components


4


David Giltner, founder of TunringScience, asks whether scientists can make good entrepreneurs


8


Géraldine Andrieux at Blumorpho shares her top tips on getting investors’ attention while pitching


10 EOS news


A look back at some of the past winners of the society’s Early Career Women in Photonics Award


Sponsored: Fourier 24


transform spectroscopy Gemma Church finds out more about the Gemini interferometer from Nireos and its new uses


Tech focus: AR/VR 26


LEADER JESSICA ROWBURY


Startup success


The finals of the Laser World of Photonics Startup and Innovation Awards, which Electro Optics is sponsoring, would have taken place this month. The event is now happening next year, and I’m probably not alone in being eager to visit Munich and other destinations soon to meet familiar faces in person again. We have articles in this issue discussing


Researchers have combined freeform optics and a metasurface to develop easy-to-wear glasses


28 Tech focus: Spectral imaging Epic news Products


Scientists have developed a lensless, infrared spectral-imaging system for medical diagnostics


Carlos Lee discusses the launch of the Mid IR Alliance


The latest products from around the globe


Suppliers


Find the suppliers you need Interview


30 34 36 38


Carlos Lee talks to Martina Mueller, CEO of Swiss company 3D AG


41


these themes. On page 4, David Giltner asks whether scientists can make good entrepreneurs, arguing that the perception of a successful startup leader is different from the qualities required, in reality. Géraldine Andrieux, of accelerator Blumorpho, shares tips on getting investors’ attention on page 8. Being able to pitch sharp and smart is part of what is expected from an entrepreneur, but presentation skills are just part of what makes a pitch successful, she argues. Healthy levels of investment are key to a successful startup ecosystem, and is something Epic is advocating for, particularly after photonics was not named in the European Commission’s funding programme, Horizon Europe. Matthew Dale, on page 10, reports of the association’s AGM which took place remotely in April, where the development of a Core Photonics Index was discussed. It is hoped the index will demonstrate that photonics is a profitable industry worthy of investment.


@electrooptics www.linkedin.com/showcase/electro-optics


EDITORIAL AND ADMINISTRATIVE TEAM Tel: +44 (0)1223 221030 Fax: +44 (0)1223 213385 Editor: Jessica Rowbury jessica.rowbury@europascience.com Managing editor: Greg Blackman greg.blackman@europascience.com Technical writer: Matthew Dale matthew.dale@europascience.com Design: David Houghton david.houghton@europascience.com Zöe Andrews zoe.andrews@europascience.com Partnership and events executive: Charlie Mitchell charlie.mitchell@europascience.com


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Electro Optics is published 10 times a year by Europa Science Ltd, 4 Signet Court, Cambridge, CB5 8LA, UK Tel: +44 (0)1223 221030 Fax: +44 (0)1223 213385 Web: www.europascience.com ISSN: 0013-4589


SUBSCRIPTIONS: Free registrations available to qualifying individuals. Subscriptions £300 a year for 10 issues to readers outside registration requirements. Orders to Europa Science, 4 Signet Court, Cambridge CB5 8LA, UK. Tel: +44 (0)1223 221030. Fax: +44 (0)1223 213385. ©2021 Europa Science Ltd. While every care has been taken in the compilation of this magazine, errors or omissions are not the responsibility of the publishers or of the editorial staff. Opinions expressed are not necessarily those of the publishers or editorial staff. All rights reserved. Unless specifically stated, goods or services mentioned are not formally endorsed by Europa Science Ltd, which does not guarantee or endorse or accept any liability for any goods and/or services featured in this publication. US copies: Electro Optics (ISSN 0013-4589) is published 10 times a year for £300 per year by Europa Science Ltd and distributed in the US by DSW, 75 Aberdeen Road, Emigsville PA 17318-0437. Periodicals postage paid at Emigsville PA.


POSTMASTER: Send address changes to Electro Optics, PO Box 437, Emigsville PA 17318-0437.


Cover image: Evgeniy Belyaev/Shutterstock.com


www.electrooptics.com | @electrooptics


June 2021 Electro Optics 3


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