Albumin
发表于 2025-3-30 08:46:02
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Malaise
发表于 2025-3-30 13:46:27
Design and Fabrication Aspects of Continuous-Relief Diffractive Optical Elements fabrication technologies. Computer aided design and modern fabrication methods give access to optical functions which are often not realisable by one single conventional bulk optical element. Their planarity allows low cost replication in plastic material using techniques such as hot embossing or i
古老
发表于 2025-3-30 16:39:31
Fabrication of Diffractive Optical Elements by Electron Beam Lithographyicrolenses and holograms can be realised by means of Diffractive Optical Elements (DOE). Many DOEs exploit micrometer and sub-micrometer surface relief patterns to modulate the phase of the incoming radiation and to perform the redistribution of the electromagnetic field arising from the DOE itself.
semiskilled
发表于 2025-3-30 23:06:11
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撤退
发表于 2025-3-31 03:49:22
Fabrication of Thin-Film Microlens Arrays by Mask-Shaded Vacuum Depositionactive optical elements, the minimum structure sizes are much larger and broadband transmission can be realized. The use of thin-film microstructures opens new prospects because of their specific properties. Compact and flexible systems can be designed (e.g. microlenses on thin flexible substrates o
Salivary-Gland
发表于 2025-3-31 06:17:41
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上釉彩
发表于 2025-3-31 10:00:57
https://doi.org/10.1007/978-3-319-58427-0r graded regions. Conversely, it typically needs high intensities and low attenuations in material systems which are additionally required to exhibit fast responses for applications to all-optical signal processing.. Using the optical Kerr effect in self-focussing materials with an intensity (I) dep
开花期女
发表于 2025-3-31 15:37:12
https://doi.org/10.1057/9780230620988of intense radiation, and lasing in glass or dye-doped spheres with a radius of several micrometers has been obtained.. Both theoretical considerations. and experiments. show many interesting characteristics for such objects.
绝缘
发表于 2025-3-31 17:59:41
Urban Knots as Space and Representationsystems, it is necessary also to fabricate the elements in different materials economically. Since the cost of a multi-level phase DOE/CGH is determined by the e-beam writing time, the number of etching steps for fabricating the master, and the technology for replication, we need to decrease the wri
强有力
发表于 2025-3-31 22:33:10
https://doi.org/10.1007/978-3-030-67254-6on process; by means of lithography the fine and often complex features composing a DOE are delineated. Electron Beam Lithography (EBL) is ideally suited as a pattern generation technique in the fabrication of DOE. Its intrinsic flexibility, along with its exceptional resolution, makes EBL the natur