[3] These include zoom lenses, coherent fibre-optics and more recently the rod-lens endoscopes which 'opened the door' to modern key-hole surgery.
I wish the extended family comfort and closeness through their reflections on this cherished family member. When he moved to Reading University in 1967 to take up the newly created chair in optics, many of his former MSc students at Imperial would travel to Reading to attend his lectures. Details of this invention were published in papers by Hopkins in Nature in 1954 and Optica Acta in 1955.
https://www.hopkinsmedicine.org/.../directory/profile/10004323/harold-wu To produce a useful image, the bundle would need to contain not a few hundred but tens of thousands of fibres all correctly aligned.
For some reason he was not given reserved-occupation status, which led to his being called up and being trained briefly in blowing up bridges. His Wave Theory of Aberrations, (published by Oxford University Press 1950), is central to all modern optical design and provides the mathematical analysis which enables the use of computers to create the wealth of high quality lenses available today. Previous rigid endoscopes suffered from very low light transmittance and extremely poor image quality. On 12 June 2009 the Hopkins Building was officially opened by his son Kelvin Hopkins, the Labour MP for Luton North. However, he took great delight in having conferred on him the Honorary Fellowships of all the medical Royal Colleges in Britain, together with the highest awards of many of the world's premier scientific bodies including (in 1973)[1] the Fellowship of the Royal Society itself.
Whilst not directly involved in the applications of optics, this new facility, in its pursuance of the highest standards of teaching and research, provided an opportunity to honour one of the University's most illustrious academics. In the medical application, alongside the improvement to the optics, came the ability to 'steer' the tip via controls in the endoscopist's hands and innovations in remotely operated surgical instruments contained within the body of the endoscope itself. This continues to be a major factor in the low cost of laser disc-readers (such as CD players). [5] The corresponding Lister Oration, given at the Royal College of Surgeons of England, was delivered on 11 April 1991, and was titled 'The development of the modern endoscopes – present and future prospects'. He was awarded the 1990 Lister Medal for his contributions to surgical science.
Hopkins was able to show, through a complete mathematical analysis of the system, that with a carefully calculated geometry, it was possible to use a single piece of transparent moulded-plastic instead.
which reduced the leakage to such an extent that the full potential of the fiberscope was realised. It also suffered from leakage where adjacent fibres touched; which degraded the image still further. We are very sorry to hear about the loss of your Dad. The laser must be focused onto and track this path and in addition, the reflected beam must be collected, diverted and measured.
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