Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Sanjay Keshri"'
Publikováno v:
Applied Sciences, Vol 11, Iss 12, p 5564 (2021)
Diffractive optical elements (DOEs) have been in development for many years and are an exciting technology with the capability to re-direct light, using diffraction rather than refraction. Holographic Optical Elements (HOEs) are a subset of diffracti
Externí odkaz:
https://doaj.org/article/4c0a4962c8ea47809ccd1b8883de368b
Publikováno v:
Photosensitive Materials and their Applications.
Diffractive Optical Elements (DOEs) utilize diffraction at sub-micron features to re-direct and control light. Volume phase holographic materials, such as photopolymer, are advantageous for use in fabricating optical elements because the diffraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1aa2294d8ac1cbef20f5d130d0ee2b6
https://doi.org/10.1117/12.2556006
https://doi.org/10.1117/12.2556006
Autor:
Izabela Naydenova, Sanjay Keshri, M. Collados, Julia Marín-Sáez, Daniel Chemisana, Suzanne Martin, Jesús Atencia, Sean M. Garner, Kevin R. Murphy
Publikováno v:
Articles
A novel stacking procedure is presented for volume phase holographic gratings (VPHGs) recorded in photopolymer material using Corning Willow Glass as a flexible substrate in order to achieve broader angular and spectral selectivity in a diffractive d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d149919178a275cf478df41e2f987e60
https://pubmed.ncbi.nlm.nih.gov/32225798
https://pubmed.ncbi.nlm.nih.gov/32225798
Publikováno v:
Conference Papers
Optical diffusers have uses in laser applications and machine vision. Typical fabrication at a commercial level requires master production and the stamping/copying of individual elements at scale. This expensive, indirect process inhibits custom diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f6f6df483b78e77e70559138ef6eb57
https://arrow.tudublin.ie/cieocon2/38
https://arrow.tudublin.ie/cieocon2/38
Autor:
Suzanne Martin, Izabela Naydenova, Sanjay Keshri, Brian Rogers, Kevin Reynolds, Kevin R. Murphy
Publikováno v:
Applied Sciences, Vol 11, Iss 5564, p 5564 (2021)
Applied Sciences
Volume 11
Issue 12
Articles
Applied Sciences
Volume 11
Issue 12
Articles
Diffractive optical elements (DOEs) have been in development for many years and are an exciting technology with the capability to re-direct light, using diffraction rather than refraction. Holographic Optical Elements (HOEs) are a subset of diffracti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d986cc73e4e9b05703ed287e801f2b6
https://doi.org/10.3390/app11125564
https://doi.org/10.3390/app11125564
Publikováno v:
Conference Papers
Volume holographic lenses have great potential for different types of applications requiring light redirection and beam shaping such as solar light collection and LED light management. For lighting applications using LEDs, it is essential to make a h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4506f4825e5798bd780ec09084655e98
https://arrow.tudublin.ie/context/cieocon2/article/1039/viewcontent/Theoretical_Analysis_of_a_Volume_Holographic_Lens_Using_Matlab.pdf
https://arrow.tudublin.ie/context/cieocon2/article/1039/viewcontent/Theoretical_Analysis_of_a_Volume_Holographic_Lens_Using_Matlab.pdf
Publikováno v:
SPIE Proceedings.
A volume cylindrical holographic lens is fabricated in a photopolymer material to obtain a simple, lightweight and inexpensive lens which can collimate a diverging light beam. For a collimated beam, it is necessary to have uniform intensity across th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e08ed8a49b187974f9bff1351ffafc2
https://doi.org/10.1117/12.2265598
https://doi.org/10.1117/12.2265598
Publikováno v:
13th International Conference on Fiber Optics and Photonics.
A volume phase holographic cylindrical lens was fabricated in a thin plastic photopolymer layer by interfering a diverging beam with a collimated beam. Diffraction characteristics of the lens were found to be in agreement with theoretical model.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::315e0313a9fd37a345231277c470ffdd
https://doi.org/10.1364/photonics.2016.th2f.4
https://doi.org/10.1364/photonics.2016.th2f.4
Publikováno v:
Articles
A holographic optical element (HOE) was developed to collimate a monochromatic light-emitting diode (LED). The fabrication was achieved by the interference of collimated and diverging beams from a 532 nm laser to produce the required photonic structu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb6861046413913670eca3b3e58e5827
https://doi.org/10.1364/ao.57.00e163
https://doi.org/10.1364/ao.57.00e163