Optical performance of holographic kinoforms

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August undefined, 2024

http://www.jeos.org/index.php/jeos_rp/article/view/176 WebJul 19, 2024 · An optical micrograph of a portion of the fabricated device is shown in Fig. 3(b). The simulated diffraction efficiencies were 77%, 85% and 86% for λ = 633 nm, 532 …

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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. WebA kinoform is a type of converging lens that is able to efficiently focus x-ray radiation. They can be used to study nanomaterials. Diamond is often used in kinoform lenses as it has a … ear throat and nose dr near me

Optical performance of holographic kinoforms - NASA/ADS

WebThis website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our privacy notice and cookie policy. WebSterling, Virginia, United States. Lead optical tweezer expert at Thorlabs, involved with: design, scientific testing, marketing/sales of many Thorlabs optical tweezer systems. … 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 … ct ohs health care cabinet

Computer generated phase holograms (kinoforms) for millimeter …

Optical performance of holographic kinoforms

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. WebJan 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. cto hpWebThe 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 … ct oh\u0027s

"WebD. 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 … " - Optical performance of holographic kinoforms

Optical performance of holographic kinoforms

WebOptical performance of holographic kinoforms Buralli, Dale A. ... Bibcode: 1989ApOpt..28..976B Keywords: DIFFRACTION; LENSES; HOLOGRAPHIC OPTICAL ELEMENTS; OPTICAL DESIGN; ZONE PLATES; full text sources. ... 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 …

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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 … WebBy sidestepping the requirements for high-performance light sources, switching optics, or delicate alignment, this approach points toward ultracompact and cost-effective …

Web♦ Exceptional optical systems engineer, project lead, and manager with deep expertise in electronic displays and optics. Excellent technical problem solver in production and R&D … WebSep 25, 2014 · The 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...

WebIn holographic projection, ringing artifacts and degradation appear when the speckle noise problem is solved based on the random phase-free method. In this paper, we present a fast method to suppress the ringing artifacts in random phase-free kinoforms. 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 …

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 …

WebJul 19, 2024 · It is well known that multi-level diffractive optics (also referred to as kinoforms) can achieve very high efficiencies at a single wavelength 6, 7. However, extension to full color... ear throbbing no painWebOptical 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 … ear throbbing causesWebOptical performance of holographic kinoforms Buralli, Dale A. ... Bibcode: 1989ApOpt..28..976B Keywords: DIFFRACTION; LENSES; HOLOGRAPHIC OPTICAL … earth robinsonWebApr 5, 2024 · While the maximum output power at the sample is no larger than 1 mW, due to relatively slow scanning (and thereby long pixel-dwell time) the sensitive detector can easily be saturated when imaging... earth robotics incWebThe 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 … earth robuxWebSeveral design-concepts are presented for so-called efficiency achromatized diffractive optical elements (EA-DOEs) possessing diffraction efficiency larger than 97% over a broad spectral range. We start with tracing two different methods for surface relief profiles well known from the literature: common depth and multilayer EA-DOEs. earth roblox decal idWebThe 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 … c to hz