Optical performance of holographic kinoforms
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. WebThe U.S. Department of Energy's Office of Scientific and Technical Information
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 /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 … WebSep 5, 2014 · Holographic three-dimensional (3D) display is a promising technique since it can present a 3D scene with allcharacteristics of real-world objects. Volume holography provides big data capacity for high resolution 3D display. It hasthe advantages of good wavelength and angular multiplexing properties over planar holography because of the …
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. WebApr 20, 2024 · The enhanced-NA Fresnel hologram reconstructs a holographic image at a viewing angle larger than the diffraction angle of a hologram pixel. The image space is limited by the bandwidth of a digital hologram. In this study, we investigate the property of image formation in the extended image space beyond a diffraction zone. A numerical …
WebHolographic optical tweezers take advantage of the same physical principles as do conventional optical gradient traps . A dielectric particle approaching a focused beam of … 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 …
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 …
WebOptical performance of holographic kinoforms Buralli, Dale A. ... Bibcode: 1989ApOpt..28..976B Keywords: DIFFRACTION; LENSES; HOLOGRAPHIC OPTICAL … foam board to metal adhesiveWebDynamic 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. foam board trade show wallsWebThe 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 … foam board table standWebThe 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 … foam board table numberWebIn 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. foam board terrain 40kWebA 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 … foam board suppliesWebSterling, Virginia, United States. Lead optical tweezer expert at Thorlabs, involved with: design, scientific testing, marketing/sales of many Thorlabs optical tweezer systems. … greenwich hospital insurance accepted