Optical performance of holographic kinoforms
WebBy sidestepping the requirements for high-performance light sources, switching optics, or delicate alignment, this approach points toward ultracompact and cost-effective … WebFeb 1, 2024 · The diffraction‐limited focus of a UV femtosecond laser is scanned in a photoresist composed of only a monomer to print X‐ray optics called kinoforms. This …
Optical performance of holographic kinoforms
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WebThe optical properties of holographic kinoforms are described. It is shown that paraxial designs are not adequate for f-numbers less than approximately F/10. A non-paraxial … WebSep 5, 2014 · The 3D object can be reconstructed at a designed distance behind the volume holographic polymer by illuminating with the reference beam. Volume holographic kinoform can realize high-resolution...
WebThe optical properties of holographic kinoforms are described. It is shown that paraxial designs are not adequate for f /Nos. less than ~F/10. A nonparaxial design is introduced that retains the high diffraction efficiency of the paraxial designs, yet also produces an unaberrated diffracted wavefront for the design wavelength. Aberration calculations and … WebThe optical properties of holographic kinoforms are described. It is shown that paraxial designs are not adequate for f-numbers less than approximately F/10. A non-paraxial design is introduced which retains the high diffraction efficiency of the paraxial designs, yet also produces a non-aberrated diffracted wavefront for the design wavelength.
WebSep 13, 2024 · Disclosed are optical interrogation apparatus that can produce lens-free images using an optoelectronic sensor array to generate a holographic image of sample objects, such as microorganisms in a sample. Also disclosed are methods of detecting and/or identifying microorganisms in a biological sample, such as microorganisms … WebMar 1, 2024 · The kinoforms were synthesized to give a prescribed far-field intensity distribution and manufactured by milling the computed kinoform surface relief into a Teflon plate, using a numerically controlled milling machine. The measured diffraction efficiencies exceed 50 percent.
WebThe optical properties of holographic kinoforms are described. It is shown that paraxial designs are not adequate for f/Nos. less than F/10. A nonparaxial design is introduced …
WebThe optical properties of holographic kinoforms are described. It is shown that paraxial designs are not adequate for f-numbers less than approximately F/10. A non-paraxial design is introduced which retains the high diffraction efficiency of the paraxial designs, yet also produces a non-aberrated diffracted wavefront for the design wavelength. Aberration … portland maine to cincinnati flightsWebOptical performance of holographic kinoforms Dale A. Buralli, G. Michael Morris, and John R. Rogers The optical properties of holographic kinoforms are described. It is shown that … optim optionsWebSep 14, 2024 · An optical assembly to enable distortion compensation and enhanced image clarity is provided. The optical assembly may include an optical stack, such as pancake optics. The optical assembly may also include at least two optical elements. The optical assembly may further include at least one spatially located, free form optical component … portland maine to calais maineWebDynamic holographic optical tweezers need not be limited to planar configurations. If the laser beam illuminating the SLM were slightly diverging, then the entire pattern of traps would come to a focus downstream of the focal plane. Such divergence can be introduced with a Fresnel lens, encoded as a phase grating with. optim ortho richmond hillWebJan 18, 2010 · This method provides an efficient and reliable way of generating rotationally symmetric free form optical surfaces that are otherwise difficult to produce with conventional methods such as lithography and etching methods. optim ortho blufftonWebD. Buralli, G. M. Morris, and J. Rogers, R. “Optical Performance of Holographic Kinoforms,” Applied Optics 28, 5, 976, (1989). D. Buralli and J. R. Rogers, “Some Fundamental … portland maine to buffalo new yorkWebThe optical properties of holographic kinoforms are described. It is shown that paraxial designs are not adequate for f-numbers less than approximately F/10. A non-paraxial design is introduced which retains the high diffraction efficiency of the paraxial designs, yet also produces a non-aberrated diffracted wavefront for the design wavelength. Aberration … optim ortho pooler ga