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Organic and inorganic recording medium for registering optical (classical 2D/3D) and digital (Computer-Synthesized) 3D holograms

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and a waiver from through of my colleagues who could make it here they asked me to make a presentation so is the normal media not taken in responsibility what what are they and trying to make it sure that you have time for lunch so we can talk about organic and inorganic recording media and media still remains 1 of the issues and a critical question for data storage for 3 D holograms and their formation and here's the content of these short
presentation bicycle discuss compare are going to be and inorganic and
that it comes from the point that wouldn't use the best material for I think three-dimensional imaging with similar recording medium which has altered claims is not really completely relevant to 3 recording and there are 2 different stories with digital recording with computer-generated holograms and abandoned rainbow holograms clearly optical
holograms have some advantages high diffraction efficiency is a clear sign of struggle profile of the grating and instead of optical holograms you can allow them to build easy 3 D scenes and put any non on micro structures inside which is essential for security applications
and so we're gonna talk about computer synthesize 3 D holograms process that has multiple about Stewart's well-known effect its well-established and I believe it's a good industrial applications of the process
of synthesizing of 3 for all these holograms simple 3 major steps in creating the seem numerical modeling and binarization and quantization of the received interference fringe data and general there
are several methods of doing so and I believe 1 of the critical issues to get a high resolution material that which so far I believe that people respond to that but also 1st came with whole cabinet material they would like to compare
these 2 different media and therefore they use a suitable current definition for them but which is recorded the recording medium and recorded has to respond to the material with a resolution better than 0 . 1 0 . 2 micrometres and in that case you can resolve well under migrant microdots recording or high resolution data storage I and
therefore they took about 2 different approaches to different recording materials with this see where and they're looking for
even the API 40 electronic resist and the micro micro positively 1800 and uh the whole company glass system are cynical selenide which basically they called themselves and that's a big advantage for them and they can make a pretty good quality and they have demonstrated before data storage with this material on a good level so
here's a comparison they took over the yucky 400 PMMA resist and they were able to have get a good diffraction efficiency was relatively long exposure and the one-dimensional grading was 500 people think of 500 lines per millimeter here's the
structure of this material has taken from atomic force microscope and you can see species like real world the structure and infringes here was over 20 images and they also looked at this 15
hundred people may resist which has a relatively high diffraction efficiency of part of of the 50 % they were able to get and that was less exported all those and here is the structure was both
EB and all the optical recording and those structures have very much relevant to you can get pretty good surface profile with these structures as they and
inorganic resist of using coal convenient last layers for recording that has been used for the for the holographic recording as far as I remember 1st I want to see that it was in 19 70 tool I believe that for at that time people used to have just for direct imaging and basically applications were oriented data storage apparently this group managed to have a with a good of profiling and it doesn't need any additional conducted there can be used useful combination of the program and can be negative or positive and they
took they they developed several different of a modification of the out of which they choose 1 I believe it's a modification was extremely will see later and you see the highest highest diffraction efficiency for that she show over here and it's about 45 per cent which is pretty good so from there they
started to recorded holograms with very high spatial resolution here a different structure they were able to produce I was really pleased to see this middle part which gives you 0 . 2 my friend which this is a very lonely like remember today and I think it was a report from do what about 10 years 10 to 15 years ago when they were able to produce these middle likes like material unfortunately DuPont basically abandoned that technology but it's pretty strong material for a and a possibility for recording unique high resolution matrix system I believe or identification system and then
they use that for both color graphics and non holographic processes and
here's a typical recordings of optical recording of the hologram this of the material you see very uniform grading at a higher resolution and with very low noise from my point of view as far as I can see
and so that's another way of recordings made was in system boasts and what you can compare here is that being part and the optical part and look at this nice grating structure tells you that what they have been able to do both optical part and the processing part now the next step would be of course the multitude duplicate that but so far I from what I have seen this is a very reliable material for and people's sensitivity material was not well studied so far with a dual range I believe that's what they gonna do but sensitivities here and they can do that so in
conclusion I think what they have and what they have done they compared to different materials and certainly I see the advantages of inorganic of material with the sensitivity high diffraction efficiency resolution and the 1 which the interim but the new 1 of the things that and we know the that the real world
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Titel Organic and inorganic recording medium for registering optical (classical 2D/3D) and digital (Computer-Synthesized) 3D holograms
Serientitel 7th International Symposium on Display Holography (ISDH 2006)
Teil 21
Anzahl der Teile 61
Autor Girnyk, Vladimir I.
Kostyukevich, Sergey A.
Braginets, Eugene V.
Lizenz CC-Namensnennung 3.0 Unported:
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DOI 10.5446/21008
Herausgeber River Valley TV
Erscheinungsjahr 2012
Sprache Englisch

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