"Solarton Metrology Ltd have used Andy on a number of optical sensor projects since 2013 and are continuing to do so. During this time Andy has provided excellent optical advice and assisted us with algorithm development. His mathematical capabilities are extremely good."


- Nick Deadman, Technical and Marketing Director, Solartron Metrology Ltd, Bognor Regis, UK.




"We have used Halcyon on several projects to provide optical expertise. Andy has been a great resource giving in depth reports, promptly, to help us develop new products. His experience of many years in the field has been invaluable to us. He provides a great resource in person and also in reports."


- David Williams, Research and Development Director, PEfiberoptics Ltd.




"Andy has supported Meggitt on a range of projects based around optical pyrometry, encompassing both product development and research. His knowledge of optics, physics and mathematics is exceptional and he is the "go to" person in the business for these subjects. Andy conducts himself with utmost professionalism and has presented to a range of audiences including major aero-engine OEMS, the scientific community, and the European Commission. He has been a pleasure to work with over the last 10 years."


- Mark Langley, Chief Engineer, Meggitt Sensing Systems Basingstoke.




"Halcyon Optical Services offered quality and effective service to us which resulted in added value to our products. We were very satisfied".


- Loic Cherel, CEO, Data-Pixel SAS (www.data-pixel.com)



"Halcyon Optical Services have provided Arden Photonics with an excellent capability in optical and software design over a period of many years. During this time, they have helped us develop novel technologies which have been very important to our growth as a company."


- David Robinson, Managing Director, Arden Photonics Ltd.




"Halcyon used a thorough and rigorous approach to generate workable solutions promptly and with open discussion on all points. It was a pleasure to work with Andy on several optical and opto-mechanical projects, and I would recommend Halcyon to others without hesitation."


- Dr A Barlow, Technology Development Manager, PerkinElmer Optoelectronics.




"A three year contract was awarded to Andy Hallam at Halcyon Optical Services to investigate improvements in optical pyrometry for aerospace applications. Halcyon were able to provide the necessary expertise in optical fibre and photodiode technology for this project, which included designing and testing novel pyrometer systems. We found Andy to be a reliable worker and a good communicator, who was able to represent Vibro-Meter at meetings of the European consortium that supported this project."


- Dr N D Channon, Technical Director, Vibro-Meter (UK) Ltd.




"Our company needed someone to review and test our optical designs for technological completeness and standards compliance. Halcyon was the perfect choice for our need. In addition to Halcyon's testing and verification services, they helped us design and manufacture a suite of optical test fixtures for qualification and manufacture of our products. Halcyon's services have given us great confidence that our products will be well received in the marketplace. We will continue to use Halcyon's services and products for all of our optical verification and testing needs."


- Carl M. Middleton, Engineering Projects Manager, Megger Ltd. (USA).



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